83 results about "Blurred vision" patented technology

The invention discloses automatic detection and assembly production equipment for a PCB (Printed Circuit Board) and a use method of the automatic detection and assembly production equipment, and solves the problems that an existing device is not accurate in pause when detecting angle adjustment of a camera and image distortion is caused by blurred sight when detecting movement of the camera. The device comprises a device main body, an automatic feeding assembly, at least one group of combined detection mechanisms and an auxiliary detection assembly, and the device main body comprises a device base, a detection base and an assembly base; the combined detection mechanism is arranged, the combined detection part does not interfere with operation of the automatic feeding assembly, the detection efficiency is improved, the combined detection part is driven by the monitoring driving part and the detection linkage part, the detection range can be flexibly adjusted, automatic pause is achieved during detection, and therefore a camera is allowed to have more time for focusing, and the detection efficiency is improved. And each part is ensured to be in a clear focus state.

Treatment of hyperinsulinemic hypoglycemia comprises administration of an effective amount of a glucagon-like peptide-1 receptor antagonist (GLP1RA) alone or in combination with an amylinomimetic agent or any anti-gastric emptying agent. Patients suffering from hyperinsulinemic hypoglycemia after bariatric surgery experience particular benefit, as there is no current method effective for their treatment. Prevention or reduction of acute adverse effects of postprandial hypoglycemia, such as palpitations, tremor, weakness, sweating, confusion, fatigue, blurred vision, seizures, or loss of consciousness, and prevention of chronic adverse effects of hyperinsulinemic hypoglycemia, such as cognitive impairment, can be achieved by treatment with GLP1RA.

The invention discloses a vehicle speed downshift algorithm for windscreen wiper software. The algorithm comprises the following steps of working condition classification, wherein a red light waiting scene and a low-speed vehicle following scene are divided through a vehicle speed signal v and an acceleration a; safety evaluation: judging the speed reduction feasibility by combining the rainfall sensor signal R and the motor current I; dynamic speed reduction: based on the working condition classification and the safety evaluation result, the wiping frequency of the windscreen wiper is adjusted according to the gradient; quit condition judgment: when a preset quit condition is met, the standard wiping frequency of the windscreen wiper is recovered immediately. By reasonably controlling the wiping frequency of the windscreen wiper, unnecessary high-frequency wiping is reduced, the abrasion of the windscreen wiper blade is reduced, and the service life is prolonged; a rainfall sensor and motor current detection are fused, the whole scene from light rain to heavy rain is covered, and the risk of fuzzy view is avoided.

The invention belongs to the technical field of traditional Chinese medicine preparations, and particularly relates to a kidney-tonifying and liver-nourishing compound preparation and a preparation method thereof. The compound preparation comprises 5-15 parts of roasted herba epimedii, 5-15 parts of fructus cnidii, 50-70 parts of roasted radix astragali and 10-30 parts of pulp of dogwood fruit. The traditional Chinese medicine composition has remarkable curative effects on various diseases and chronic strain caused by deficiency of liver and kidney and deficiency of blood and essence, such as dizziness, blurred vision, fatigue, swelling and pain of waist, back and limbs, dry mouth and eyes, limb ache and weakness, irregular menstruation, incapability of holding weight or hemiplegia and the like, and has a very good application prospect.

The invention relates to a multifunctional endoscope and an endoscope system. The multifunctional endoscope comprises an endoscope body and an optical catheter, the endoscope body comprises a handle and an endoscope catheter, a forceps channel suite is arranged in the endoscope body, the far end of the optical catheter is an arc-shaped closed end, the near end of the optical catheter is an open end, and at least the closed end of the optical catheter is of a light-transmitting structure. The optical catheter can be arranged on the endoscope catheter in a sleeving mode through the open end, and a buckle structure which can be connected in a matched mode and locked is arranged between the open end of the optical catheter and the far end of the handle or the near end of the endoscope catheter. The multifunctional endoscope is highly integrated and can be used for visual tissue puncture and surgical operations such as visual suction, flushing and electrocoagulation after puncture, clear imaging can be achieved even if the front end makes contact with the tissue in the puncture process, the problem that due to liquid leakage, a lens adheres to blood or other tissues, and the view field is blurred can be solved, and the multifunctional endoscope is suitable for popularization and application. The structure is simple, the use is convenient, and the application prospect is very good.

The invention discloses an augmented reality head-up display method and device for vehicle auxiliary element information. The method comprises the steps of obtaining signal data recognized by a vehicle through a sensor; if it is judged that the signal data indicates that the vehicle is in the low-visibility environment at present, the current running state of the augmented reality display client is determined; if the client is in the closed state, starting an augmented reality display client and entering an augmented reality auxiliary element prompt mode for display; or, if the client is operated and is in the first display mode state, switching the first display mode state into the augmented reality auxiliary element prompt mode and displaying the augmented reality auxiliary element prompt mode; in the augmented reality auxiliary element prompting mode, acquiring environment sensing data of the vehicle; determining auxiliary element information based on the environment perception data; and displaying the auxiliary element information at a corresponding position in the augmented reality head-up display view field range. The technical problem that the view of a road in front of a vehicle is fuzzy in a low-visibility environment in the prior art is solved.

The utility model discloses a mobile vision AI safety early warning device which comprises a vision early warning box body, a horizontal adjusting base is arranged at the bottom of the outer side of the vision early warning box body, electric telescopic rods are arranged at the two ends of the inner side of a square frame at the end of the horizontal adjusting base, and a monitoring camera moves downwards through cooperation of a servo motor and a threaded vertical rod. The monitoring camera enters the cleaning groove and rotates in the cleaning groove through a micro motor, surface dust cleaning is conducted through a cleaning soft rubber brush arranged in the cleaning groove, the cleaned dust is adsorbed through a dust remover by making the cleaning groove generate suction force through a dust removal pipe fitting, and the adsorbed dust is collected in a dust collection box. And therefore, the problems that the environment is affected and the view of the monitoring camera is blurred due to the fact that dust is diffused to the periphery during cleaning are avoided, and the convenience of cleaning the monitoring camera is further improved.

The present application relates to the field of traditional Chinese medicine, in particular to a composition, eye patch and preparation method thereof for preventing and treating eye dryness, blurred vision fatigue and dry eye, comprising a carrier vehicle and a matrix layer, selecting medicinal materials with the effects of improving eyesight and resisting oxidation, fermenting the medicinal materials with plant lactic acid bacteria, bacillus or yeast to decompose macromolecules into small molecule active substances and possibly produce new active metabolites, adopting temperature control during the fermentation process to avoid high temperature from destroying heat-sensitive components, compounding the fermented medicinal material extract with hyaluronic acid, menthol, carboxymethyl cellulose and glycerol to form an intelligent rheological regulation body, hyaluronic acid synergistically enhances the moisturizing effect with the fermented extract, carboxymethyl cellulose serves as a film-forming agent to ensure the stability of the matrix layer, and glycerol improves the moisturizing performance, adopting a green process of activation, fermentation, mixing, loading and sterilization, selecting plant fibers as the carrier vehicle, cutting and packaging after loading the matrix layer, and then sterilizing to ensure the safety and effectiveness of the product.

The present invention discloses a TEP gap space creation device and its usage method, which relates to the technical field of medical auxiliary instruments. The device includes a hollow transparent tube body. The front end of the transparent tube body is formed into a wedge shape, and a conductive metal wire is transversely installed at the wedge-shaped front end. The rear end of the transparent tube body is enlarged, and a rubber ring is attached to the inner wall of the rear end of the transparent tube body along the circumference. An electrode post connected to the conductive metal wire is provided on the outer wall of the rear end of the transparent tube body. The TEP gap space creation device provided by the present invention can be sleeved outside the laparoscope during use to protect the lens from being worn. For the device provided by the present invention, its front end is provided with an electrode composed of conductive metal, which can electrocoagulate the capillaries encountered during the advancement to avoid bleeding, thereby solving the technical problem that the laparoscope lens directly contacts the tissue during the existing mirror pushing process, resulting in blurred vision.

The invention discloses a pair of corrective glasses for preventing cervical fatigue and a control method thereof, and the method comprises the steps: controlling the communication between different metal conductive heads of transparent conductive films at the two sides of a grating film in a lens combination of the glasses, and regulating and controlling the grating angle of the lens combination; according to the technical scheme, blurred vision correction and eye using posture correction can be conducted on the user, the cervical vertebra burden of the user can be relieved in the application scene that the user needs to lower the head to observe a close-range object, and cervical vertebra fatigue of the user is effectively prevented.

Treatment of hyperinsulinemic hypoglycemia comprises administration of an effective amount of a glucagon-like peptide-1 receptor antagonist (GLPIRA) alone or in combination with an amylinomimetic agent or any anti-gastric emptying agent. Patients suffering from hyperinsulinemic hypoglycemia after bariatric surgery experience particular benefit, as there is no current method effective for their treatment. Prevention or reduction of acute adverse effects of postprandial hypoglycemia, such as palpitations, tremor, weakness, sweating, confusion, fatigue, blurred vision, seizures, or loss of consciousness, and prevention of chronic adverse effects of hyperinsulinemic hypoglycemia, such as cognitive impairment, can be achieved by treatment with GLP1RA.

1. Name of the design product: Computer with a graphical user interface for traditional Chinese medicine diagnosis guidelines. 2. Use of the design product: For computers. 3. Design key points of the design product: Lies in the content of the user graphical interface. 4. Picture or photo that best shows the design key points: The front view of Design 1. 5. The rear view, left view, right view, top view, and bottom view of Design 2 are the same as those of Design 1, so the rear view, left view, right view, top view, and bottom view are omitted. 6. Design 1 is designated as the basic design. 7. Use of the graphical user interface: The user interface in the front view of Design 1 that reflects the unique clinical syndrome differentiation ideas of experts is divided into two modules: "overall identification" and "disease differentiation"; Interface change state diagram 1 of Design 1 is the interface that appears after clicking "Next" in the front view of Design 1; Interface change state diagram 2 of Design 1 is the interface that appears after clicking "Next" in Interface change state diagram 1 of Design 1; The front view of Design 2 is the interface displayed after clicking the "disease differentiation" option, reflecting the unique clinical syndrome differentiation ideas of experts; Interface change state diagram 1 of Design 2 is the interface displayed after selecting the "diabetes-related diseases" option in the front view of Design 2; Interface change state diagram 2 of Design 2 is the interface displayed after operating on the "diabetes-related diseases" in Interface change state diagram 1 of Design 2, used for symptom collection and selection under the unique clinical syndrome differentiation ideas of experts; Interface change state diagram 3 of Design 2 is the interface displayed after operating on "laboratory examination - elevated blood glucose", "dietary abnormality - excessive hunger", and "drinking condition - thirst" in Interface change state diagram 2 of Design 2, used for symptom collection; Interface change state diagram 4 of Design 2 is the interface displayed in the medical record section of Interface change state diagram 3 of Design 2 after entering "blurred vision", "general heaviness", "frequent urination", and "weight loss", used to complete the medical record; Interface change state diagram 5 of Design 2 is the interface displayed after operating on the "recommended prescription" in Interface change state diagram 4 of Design 2, used for prescription selection.

The present disclosure relates to methods for improving vision of a patient by administering a blended composition, particularly in the form of a dietary supplement. The method addresses various impairments, including macular degeneration, presbyopia, macular edema, cataracts, glaucoma, blurred vision and temporal arteritis.

The invention relates to the technical field of automobile accessories, in particular to a non-blind area automobile rearview mirror lens, and adopts the technical scheme that a main mirror and a wide-angle mirror are mounted on a rearview mirror shell, the main mirror is used for providing a main view field behind an automobile, and the wide-angle mirror is used for providing a blind area view field of the automobile; a heating assembly is installed on the rearview mirror shell and used for removing water stains and dust on the surfaces of the main mirror and the wide-angle mirror. An air return mechanism is installed on the rearview mirror shell and used for guiding hot air generated by the heating assembly to blow the surfaces of the primary mirror and the wide-angle mirror. The problems that dust of a traditional rearview mirror is inconvenient to clean, and the sight of a lens is blurred in rainy days are solved.

The invention discloses near-vision-preventing health-care liquid and a preparation method thereof. The near-vision-preventing health-care liquid is prepared from the following raw materials in parts by weight: 8-12 parts of cornu bubali, 1-3 parts of borneol, 4-6 parts of xanthophyll, 8-12 parts of radix angelicae sinensis, 8-12 parts of radix paeoniae rubra, 6-10 parts of folium mori, 12-18 parts of semen plantaginis, 8-12 parts of flos chrysanthemi, 12-18 parts of cortex fraxini and 12-18 parts of semen cassiae. According to years of medicine practicing experience and in combination with the theory of traditional Chinese medicine, natural traditional Chinese medicine plants with the effects of clearing liver and improving vision, clearing away heat and toxic materials, promoting blood circulation, dissipating blood stasis and relieving pain, clearing away heat and drying dampness and promoting blood circulation are selected; the traditional Chinese medicine composition can relieve eyestrain, eye dryness, eye acerbity, red eyes, blurred vision, dark circles, ghosting, photophobia, tear against wind, eye discomfort and other symptoms caused by overuse of eyes, the effect is remarkable, the effect taking speed is high, and myopia development is delayed by relieving eyestrain and preventing myopia; in addition, the preparation process is simple, easy to operate and convenient for expanded production.

The application discloses an image processing method and device, which comprises the following steps: collecting a video in front of a vehicle through a camera; processing the video collected by the camera, so that the processed video is clearer; and projecting the processed video on a windshield glass of the vehicle, so that a driver can see the road condition information more clearly through the projected picture on the windshield glass in a blurred vision scene, the accident rate is reduced, and the driving safety is improved.

This invention discloses an anti-fogging structure for gastrointestinal endoscope lenses, belonging to the field of endoscopy technology. The anti-fogging structure includes an instrument body. A controller, adjustment mechanism, and water supply mechanism are fixedly mounted on the surface of the instrument body. A connecting tube is fixedly connected to the surface of the instrument body, and a probe is fixedly connected to the end of the connecting tube. The connecting tube and the probe are used to insert into human organs. The adjustment mechanism is used to adjust the position of the probe. The lens body is fixedly mounted on the surface of the probe. A heating tube is tightly fitted to the surface of the lens body, forming a highly efficient heat conduction structure. When sterile water is delivered to the heating tube through the outlet tube, the heating tube rapidly heats up and evenly transfers heat to the surface of the lens body, avoiding blurred vision caused by fogging. Furthermore, using sterile water as the medium avoids the risk of secondary contamination and meets medical-grade safety standards, balancing functionality and hygiene requirements.

The utility model provides a wide-angle auxiliary lens system, and relates to the technical field of medical instruments, the wide-angle auxiliary lens system comprises a connecting arm and a double-lens cantilever, one end part of the connecting arm is rotatably connected with a folding cantilever on an operating microscope; the double-lens cantilever comprises a cantilever body, an auxiliary lens and lens mounting rings, the lens mounting rings are fixedly arranged at the two ends of the cantilever body, the center of the cantilever body is rotationally connected with the end, away from the accessory mounting platform of the operating microscope, of the connecting arm, and the auxiliary lens is fixedly arranged in the lens mounting rings. Through the design of the rubber ring and the supporting piece in the lens mounting ring, it is ensured that the auxiliary lens is stable and does not shift in the use process, and the problem of blurred view or misalignment caused by lens movement is effectively solved. And by adopting the stainless steel cantilever body and the black high-temperature-resistant silicon rubber ring, the durability of the system and the stability in the high-temperature disinfection process are guaranteed, and meanwhile, the holding stability during operation is improved through the design of anti-skid textures.

The utility model provides a slitting device for preparing a color film agent and a composite film agent, which comprises a slurry input port and two spacer blocks which are sequentially arranged according to the sequence of slurry flowing through, and the two spacer blocks are symmetrically distributed on two sides of the axis of the slurry input port; one or more separation strips are arranged between the two separation blocks and behind the slurry input port, the separation blocks and the separation strips are arranged in parallel, and the separation blocks and the separation strips are fixedly connected through screw rods. The striping device for preparing the color film agent and the composite film agent is simple and reasonable in structure and strong in integrity, can prepare medicine-containing films with various colors, can enable each medicine-containing film to have a unique color, increases the identification degree of film-shaped preparations, and is particularly beneficial for elderly patients with blurred vision to take medicine and improving the enthusiasm of children patients to take medicine; by using a left-right compounding preparation process, the preparation method of the composite film agent is simplified, and the production efficiency of the film agent is effectively improved.

The invention belongs to the technical field of medicines, and particularly relates to an active ingredient composition for treating xerophthalmia and muscae volitantes as well as a preparation method and application of the active ingredient composition. The composition is prepared from lycium barbarum polysaccharide, zeaxanthine, apigenin, luteolin, zinc gluconate, ophiopogon japonicus polysaccharide, ophiopogonin B, paeoniflorin and gallic acid according to a specific weight part ratio, all the active ingredients have a synergistic effect, the ocular surface microenvironment is improved, the vitreous opacity progress is inhibited, eye tissue damage is repaired, and the eye quality is improved. The synergistic treatment effect on the xerophthalmia and the muscae volitantes is achieved, and the symptoms such as eye dryness, eye acerbity, lacrimal secretion insufficiency, black shadow fluttering and blurred vision can be effectively relieved.

The invention discloses a multi-scene-oriented security robot intelligent inspection method and system, and relates to the field of intelligent security, and the method comprises the steps: collecting machine body vibration data generated by interaction between a robot and the ground in an environment with good visibility, and building a standard fingerprint band and a historical image; in a low-visibility environment, the robot collects a fuzzy visual image and vibration data in real time, generates a current inspection fingerprint and matches the current inspection fingerprint with a standard fingerprint band; and when deviation is detected, calling a visual memory library and determining the closest reference landmark by utilizing a deep learning visual matching network, so that the steering angle of the robot is adjusted, and the robot is enabled to be close to the central path of the fingerprint zone again. The method can be applied to industrial control software, is deployed on security robots of multiple models to realize process control of inspection, solves the problem that the security robots are unstable in inspection positioning in a low-visibility environment, and realizes path self-correction and intelligent inspection control based on vibration fingerprints and depth vision matching.

The utility model discloses a lighting and pressing device for an A-type backlight module, which comprises a working table, and an opening and closing mechanism is arranged above the working table. According to the lighting and pressing device for the A-type backlight module, the teeth are fixedly connected to the side face of the rotating plate at equal intervals, the gear is installed above the rotating plate, and the gear is rotationally connected with the rotating plate through the teeth, so that the gear is driven by the rotating plate to rotate intermittently, and the purpose that lamplight is kept in a normally-on state during use is achieved; the problems that visual fatigue can be caused by long-time observation and discrimination, the visual fatigue can cause unclear discrimination, detection time increase, misjudgment, influence on the production speed, energy waste and production cost increase due to eyes, intermittent switch pressing is achieved, the labor intensity of workers is relieved, and the production efficiency is improved are solved. And light is automatically turned on and off, so that long-time light irradiation is avoided, and eyes are protected.

The invention belongs to the technical field of online learning, and particularly relates to a reminding system based on deep learning, which comprises a login module, a camera module, an identification module and a reminding module, and is characterized in that the login module is linearly connected with the camera module, the camera module is linearly connected with the identification module, and the identification module is linearly connected with the reminding module. The login module is used for login of a user, and the camera module is used for recording changes of the user. According to the invention, through the arrangement of the identification module and the reminding module, when a user uses online learning, the user can be identified through information input of the login module, then the learning time of the user is monitored, and when the learning time is too long, the user can be reminded, so that the situation that the eyes of the user are injured due to long-time online learning of the user is avoided, and the user experience is improved. The user is reminded to pay attention to rest, and the phenomena of blurred vision, eyestrain and the like of the user are avoided.

The utility model relates to the field of fireproof doors, in particular to a visible steel fireproof door with explosion-proof glass, which comprises a single door and a door frame, the single door is rotatably mounted on the door frame, an observation window is arranged on the single door, a shell is arranged on one side of the observation window, a fixing frame is arranged between the shell and the single door, and the explosion-proof glass is arranged on the fixing frame. According to the door cleaning device, the rotating shaft, the gear, the teeth, the fixing frame and other parts are arranged, in the using process, the rotating shaft part, the gear part and the teeth are matched with one another, the rotating shaft part is adjusted to rotate, the rotating shaft drives the gear to rotate, and therefore the cleaning effect is achieved. The gear pushes the fixing frame to move through the teeth, and the fixing frame drives the first cleaning plate and the second cleaning plate to move along with the fixing frame, so that the effect of cleaning the surface of the other side of the observation window on one side of the single door is achieved, and the situation that the sight is blurred due to particles, and people observe the conditions inside and outside the single door is affected is avoided.

The invention relates to a pharmaceutical composition and paste for preventing and treating eye asthenopia, myopia, presbyopia and xerophthalmia and a preparation method of the pharmaceutical composition and paste. The pharmaceutical composition comprises the following components in percentage by weight: 50-80% of vaseline, 3-10% of paraffin, 1-5% of plant extract oil, 2-10% of traditional Chinese medicine extract ground powder, 0.5-2% of camphor, 0.1-2% of borneol and 0.5-3% of pearl layer powder. The traditional Chinese medicine composition is prepared from the following raw materials in percentage by weight: 0.1 to 1 percent of mirabilitum dehydratum, 0.1 to 0.2 percent of azone, 0.1 to 1 percent of artificial taurine, 0.1 to 0.5 percent of borax and 0.5 to 2 percent of menthol. The traditional Chinese medicine composition can be used for treating and relieving eye discomfort such as xerophthalmia, blurred vision, eye distension and eye pain; pseudomyopia can be treated after long-term use; the vision problems such as myopia and presbyopia are prevented, treated and relieved.

The invention discloses an eye protection external preparation and a preparation method thereof, and belongs to the technical field of ophthalmic preparations. The preparation method comprises the following steps: mixing a main agent solution A containing Ectoine and trehalose with a matrigel solution B containing chitosan quaternary ammonium salt; and then carrying out high-pressure microjet homogenization treatment on the mixed solution at 100-150 MPa so as to construct a supramolecular network structure. Through a specific high-pressure homogenization process, the obtained preparation has an excellent shear thinning characteristic, high viscosity is kept during standing to realize biological adhesion, the viscosity is instantaneously reduced during blinking to ensure comfort, and the problem of blurred vision of traditional gel is solved. Meanwhile, due to the network structure of the preparation, the active ingredients can be instantly released, the hypertonic state of the eyes can be rapidly relieved, and the preparation is adhered to the ocular surface for a long time.

The invention relates to the technical field of medicines, and particularly discloses a traditional Chinese medicine composition for preventing and improving myopia and asthenopia of teenagers and application of the traditional Chinese medicine composition. The composition is prepared from nine medicinal materials including rhizoma gastrodiae, radix puerariae, semen cassiae, fructus lycii, semen sesami nigrum, mulberry, folium mori, mint and rhizoma imperatae, and a unique tonifying-clearing-rising three-dimensional treatment network is constructed on the basis of the compatibility concept of invigorating yang and dredging collaterals and applying clearing and tonifying at the same time. The composition can be prepared into various oral preparations such as granules, tablets, capsules, oral liquid and the like, and is suitable for preventing and treating juvenile myopia, pseudomyopia, asthenopia, eye dryness and blurred vision. Animal and clinical researches prove that the composition can effectively inhibit ocular axis growth, improve choroidal blood flow and relieve asthenopia, and has the advantages of being safe to take and suitable for long-term conditioning of teenagers.

The present invention relates to the technical field of traditional Chinese medicine for treating hypertension vertigo, and particularly relates to a traditional Chinese medicine compound composition for treating hypertension vertigo and a preparation method thereof. Calculated by mass parts, the raw materials of the traditional Chinese medicine compound composition for treating hypertension vertigo include: calcined magnetite 30 - 120 parts, eucommia ulmoides 15 - 60 parts, gastrodia elata 20 - 180 parts, apocynum venetum leaves 15 - 120 parts, cyathula officinalis 10 - 40 parts, pinellia ternata processed with rhizoma zingiberis recens 8 - 30 parts, stir-fried atractylodes macrocephala 15 - 120 parts, alisma orientale 10 - 120 parts, pueraria lobata 30 - 120 parts, corn stigma 10 - 60 parts, and stevia rebaudiana 10 - 40 parts. The traditional Chinese medicine compound composition of the present invention has a good antihypertensive effect on patients with hypertension vertigo, can significantly improve the clinical symptoms of patients with hypertension vertigo such as dizziness and heaviness in the head, dizziness and blurred vision, dimmed vision, tinnitus and bitter taste in the mouth, nausea and vomiting, limb numbness, restlessness and difficulty in falling asleep, etc. The curative effect on treating hypertension vertigo (syndrome of wind-phlegm disturbing upward) is definite, and the medication is safe and reliable.

The utility model discloses a patrol protection instrument, relates to the technical field of driving safety, is used for realizing safety patrol before a crown block runs, and provides the patrol protection instrument aiming at the problem that the safety patrol is realized by manpower at present. And the monitor is arranged in the cab, so that the remote inspection of crown block operators in the cab is realized, and the problems of blurred sight and the like caused by distance are solved. Meanwhile, an operator in a cab can control the movement of the rotating mechanism through the control handle, so that the orientation of the camera is adjusted, the patrolling range is expanded, and the problem that obstacles, dead angles and the like possibly exist in a single direction is solved. Meanwhile, the multi-view angle is also beneficial for operators not to completely depend on command gestures of command personnel when the operators control the operation of the crown block, and can assist the control of the crown block according to the far-end view angle returned by the camera, so that the driving safety is better guaranteed.

The invention discloses a preparation composition for preventing and treating eye diseases and delaying visual decline and a preparation method thereof. The composition is prepared from fructus lycii, semen cassiae, blueberries, marigold, eyebright, ligusticum wallichii, pseudo-ginseng, roxburgh rose, pleurotus citrinopileatus, bilberry, haematococcus pluvialis, xanthophyll, zeaxanthin, retinol, ergothioneine, beta-carotene, vitamin E, organic selenium, phospholipid DHA, procyanidine, curcumin and lycopene. The composition can prevent and treat eye diseases and delay visual decline. The traditional Chinese medicine composition can relieve asthenopia, can relieve the symptoms of blurred vision, dry eyes, soreness and swelling, pain and the like, and can treat macular degeneration. The composition has no side effect on a human body and is high in safety; injection administration and operation are avoided, no sequelae are left, and the medicine is convenient to take and carry by a patient; the preparation process is simple, the performance is stable and reliable, the production efficiency is high, the cost is low, and the application prospect is wide. The invention further discloses a polypeptide for relieving asthenopia, wherein the sequence of the polypeptide is shown as SEQ ID NO: 1.