251 results about "Eye Fatigue" patented technology

The invention discloses a personalized myopia prevention and control visual function training and fatigue evaluation method and system, and belongs to the technical field of visual health. In order to solve the problems of single training mode, inaccurate fatigue evaluation, lack of personalized intervention and the like in the existing myopia prevention and control scheme, the method comprises the following steps of: acquiring facial image data of a user through a built-in camera of equipment, and synchronously acquiring interaction data of finishing a visual function training task by the user; and calculating an eye fatigue degree evaluation value in real time by utilizing a preset evaluation model, and generating a personalized visual rest scheme or a training parameter adjustment strategy in combination with personal historical data of the user. According to the method, multi-modal data fusion analysis is innovatively realized, a closed-loop prevention and control system integrating training, evaluation and intervention is established, and the pertinence, accuracy and user experience of myopia prevention and control are effectively improved.

The invention discloses a brain wave monitoring and intelligent feedback combined modularized head ring glasses device, and relates to the technical field of brain wave sensing and adjusting equipment.According to the device, brain electrical activities, eye movement behaviors, eye fatigue states, wearing fitness of the head ring glasses device, environmental noise interference and use situations of a user are monitored in real time; the brain wave fitting quality index is calculated through the pressure variance, the EEG signal-to-noise ratio and the historical template fitting degree, and self-adaptive compensation adjustment is carried out when the brain wave fitting quality index is unqualified; combining electroencephalogram and eye movement characteristics to calculate a brain-eye collaborative concentration index, and generating a comprehensive adjustment strategy when the brain-eye collaborative concentration index does not reach the standard; and calculating an emotional scene switching index according to the brain wave emotional characteristics, the situation parameters and the historical trend, and triggering personalized emotional regulation when the emotional scene switching index is not matched with the situation parameters. The device can quantify the brain wave and behavior state of the user in real time, realizes intelligent concentration and emotion management, and improves the reliability and individual suitability of electroencephalogram monitoring.

The invention discloses a method for evaluating eye fatigue in real time when digital equipment is used. The method comprises the following steps: acquiring data in the process of using the digital equipment by a user in real time, and dividing eye using situations; calculating the key visual load indexes, and performing linear combination on the key visual load indexes by adopting different weights according to eye use scenes to obtain an eye fatigue comprehensive coefficient; dynamically calibrating the comprehensive eyestrain coefficient in combination with twelve-hour and five-element theories of traditional Chinese medicine; according to a set fatigue threshold value, formulating a reminding intervention strategy: according to the collected historical eye use data, adopting a multiple regression or machine learning model to adjust the weight of each key visual load index under different eye use situations of each user; and dynamically adjusting the eye fatigue comprehensive coefficient. According to the invention, through multi-dimensional data fusion, evaluation is more objective and accurate; the method has a machine learning adaptive capability, can continuously optimize model parameters according to historical data of each user, and realizes real personalized evaluation.

The invention belongs to the technical field of contact lens care, and provides temperature-sensitive contact lens eye-moistening gel and a preparation method thereof. The temperature-sensitive contact lens eye-moistening gel is prepared from the following raw materials in parts by mass: a gel matrix, a surfactant, an osmotic pressure regulator, an active component, a chelating agent, a buffering agent and the balance of injection water, the composition of the gel matrix is defined. Chitosan, sodium hyaluronate and polyvinyl alcohol are compounded to serve as a gel matrix, a polyelectrolyte compound is formed, gelation time is shortened, gel strength and swelling resistance are improved, biocompatibility is improved, and drug-loaded delivery of active ingredients is achieved; the gel matrix and the surfactant are reasonably selected, the viscosity of the solution is increased, the gelation time is shortened, the excellent effect of relieving eye fatigue and dryness is achieved, the wearing comfort of the contact lens is remarkably improved, and the oxygen permeation effect of the contact lens is not obviously reduced after gel forming.

The invention provides a fatigue driving detection method, system and device and a medium, and belongs to the technical field of fatigue detection, and the method comprises the following steps: collecting facial features and sound features of a to-be-detected driver; the method comprises the following steps: constructing a sound fatigue detection model CNN-SE-MN4 and an eye fatigue detection model Yov8n-MN4; inputting the sound features converted into the two-dimensional image spectrogram into CNN-SE-MN4, extracting time sequence features and spatial features, and judging sound fatigue features according to the time sequence features and the spatial features; using Yov8n-MN4 to extract an eye key area in the facial features, and using MobileNet v4 to determine fatigue features of the eye key area; and performing weight distribution on the sound fatigue characteristics and the fatigue characteristics of the eye key areas by using a fuzzy analytic hierarchy process, and determining the fatigue state of the to-be-detected driver according to a weight distribution result. According to the invention, the accuracy of fatigue state detection can be improved.

The invention discloses a student physical health dynamic monitoring system based on deep learning. Student eye image data passing a quality threshold is used as qualified student eye image data; cutting according to the face key point positioning result to obtain student eye image data of the interested areas of the eyes and the sub-orbital area; generating CLAHE enhanced student eye image data; extracting an original image stream student eye feature map and a CLAHE enhanced stream student eye feature map; obtaining a fused student eye feature map; outputting a student eye fatigue area pixel-level mask map and a student eye fatigue area pixel-level confidence coefficient heat map; and generating a student eye fatigue sub-item index result, and outputting a student individualized eye fatigue index. According to the invention, large-scale, non-contact and fine-grained physical health monitoring for student groups is realized, and the refinement and traceability of health intervention are improved.

The invention discloses a digital eyestrain detection method based on multi-task learning and an intelligent terminal. The method mainly solves the problems that the prior art depends on a single mode, only pays attention to a single task (for example, only the opening and closing state is detected), and comprehensive evaluation on the fatigue state of a user, especially the eye dryness condition is lacked. The invention provides a digital eye fatigue detection method based on multi-task learning and an intelligent terminal, and aims to realize high-precision fatigue and distance detection on low-cost hardware through fusion of multi-task learning and a monocular vision geometric model, solve the problems of limited precision of a single mode and redundancy of separate deployment calculation in the prior art, and improve the detection precision of the eye fatigue. The method is suitable for mobile terminals such as smart phones and tablet computers. After the scheme is deployed on the intelligent terminal, a user can be helped to keep a healthy screen use distance and a healthy screen display parameter, a healthy blinking habit is maintained, and dry eyes, astringent eyes and eyestrain are reduced.

1. Name of the design product: detachable eye mask. 2. Use of the design product: massage eye mask for relieving eye fatigue. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention belongs to the technical field of Fuzhuan tea processing, and discloses a Fuzhuan tea composition which comprises the following components in parts by weight: 20-40 parts of a Fuzhuan tea extracting solution, 1-3 parts of menthol, 5-10 parts of xylitol, 10-20 parts of glycerol, 1-5 parts of a surfactant, 3-8 parts of a dendrobium officinale extract, 2-6 parts of a rose extract, 5-10 parts of a cassia seed extract, 0.3-0.8 part of a safflower extract, 3-7 parts of a chrysanthemum extract and medical-grade auxiliary materials, wherein the medical-grade auxiliary material comprises 5-15 parts of moisturizer glycerol. According to the invention, the application of the Fuzhuan tea is expanded from traditional drinks to daily necessities for eye care, a new product which can effectively relieve eyestrain, is mild in texture and can effectively provide moisture for fragile skin around eyes is developed, and the product provides a new form of health efficacy of using the Fuzhuan tea for consumers; a brand-new growth track is opened up for the Fuzhuan tea industry, and development, utilization and industrial upgrading of the Fuzhuan tea are effectively promoted.

The utility model relates to the technical field of facial mask non-woven fabrics, and discloses a facial mask non-woven fabric which comprises an upper half facial mask sheet and a lower half facial mask sheet, an eliminating mechanism is arranged on one side of the upper half facial mask sheet, a nose mechanism is arranged on one side of the upper half facial mask sheet, a sealing mechanism is arranged on one side of the upper half facial mask sheet and one side of the lower half facial mask sheet, and a sealing mechanism is arranged on one side of the upper half facial mask sheet and one side of the lower half facial mask sheet. The eliminating mechanism comprises two eye grooves, the two eye grooves are formed in the two sides of the upper half mask piece correspondingly, sealing strips are installed on the two sides of one side of the upper half mask piece correspondingly, storage grooves are formed in the two sides of one side of the upper half mask piece correspondingly, and a plurality of massage convex balls are installed on the inner walls of the storage grooves. According to the eye care device, the peripheries of the eyes are effectively sealed through the sealing strips, essence loss is prevented, it is guaranteed that the skin of the eyes fully absorbs nutrition, the essence in the storage groove is combined with the massage convex balls, continuous nursing is provided, blood circulation is promoted through soft massage, and eye fatigue is relieved.

The utility model discloses a liquid crystal display screen with an anti-dazzle structure, which comprises a liquid crystal display screen main body, a liquid crystal screen is arranged in the liquid crystal display screen main body, a winding box is arranged above the liquid crystal display screen main body, a winding roller is arranged in the winding box, and the winding roller is rotatably connected with the winding box. A reserved hole is formed in the top of the liquid crystal display screen body, an anti-dazzle film is arranged in front of the liquid crystal display screen, a reserved hole is formed in one end of the anti-dazzle film, the anti-dazzle film is connected with the winding roller in a winding mode, the anti-dazzle film is slidably connected with the liquid crystal display screen body, and a motor is arranged on one side of the winding box. According to the liquid crystal display screen, the anti-dazzle film capable of being wound is arranged in front of the liquid crystal display screen, the anti-dazzle function of the liquid crystal display screen can be correspondingly adjusted, the eyesight of a user is protected, and eye fatigue of the user staring at the liquid crystal display screen for a long time is reduced; the use effect of the liquid crystal display screen is improved.

The invention provides an information processing method and device, equipment and a medium. The method comprises the steps that the stroboscopic frequency of ambient light is determined; determining a first exposure parameter according to the stroboscopic frequency of the ambient light; determining the brightness fluctuation state of the ambient light according to the first exposure parameter; determining a target multiple value corresponding to the stroboscopic period of the ambient light according to the brightness fluctuation state of the ambient light; and outputting the multimedia content according to the target multiple value and the stroboscopic period of the ambient light. The stroboscopic phenomenon can be reduced or even eliminated, so that the output image quality of related content is optimized, the visual comfort of human eyes is improved, and eye fatigue is relieved.

The invention discloses eye-protecting water for relieving eye fatigue and a production process thereof, relates to the technical field of eye-protecting water and production thereof, and solves the technical problems of low absorption rate of effective components and poor bioavailability in the existing technical scheme. The eye-protecting water comprises the following components: agilawood, divaricate saposhnikovia root, liquorice, coptis chinensis, almond, angelica sinensis, verdigris and alum. According to the invention, composite strains of lactic acid bacteria and saccharomycetes are creatively adopted for biological fermentation, and traditional Chinese medicinal materials are decomposed into micromolecular substances which are easier to absorb by eye tissues, so that the problems of poor permeability, low absorption rate and poor bioavailability of a traditional Chinese medicinal preparation due to large molecular weight are fundamentally solved; the effective components can act on the eyes more efficiently, so that a faster and more remarkable fatigue relieving effect is achieved; a low-temperature extraction microfiltration membrane is adopted for physical filtration and sterilization; precious heat-sensitive and volatile active ingredients in the medicinal materials such as the agilawood and the angelica sinensis are reserved, and the integrity of the efficacy of the eye-care lotion is ensured.

The invention relates to the field of fabric detection equipment, and discloses a cloth flaw detection device which comprises a detection table, the upper surface of the detection table is fixedly connected with a first motor, the output end of the first motor is connected with a first roller, and the lower surface of the first roller is fixedly connected to the upper surface of the detection table; a second roller is fixedly connected to the upper surface of the detection table, a first supporting plate is fixedly connected to the upper surface of the detection table, a second supporting plate is fixedly connected to the outer wall of the first supporting plate, and a second motor is fixedly connected to the interior of the second supporting plate. The bidirectional screw rod I and the bidirectional screw rod II are in threaded connection with the visual detector I and the visual detector II, so that the visual detector I and the visual detector II are driven to reciprocate left and right, and the visual detector I and the visual detector II are matched with each other, so that the traditional manual detection is improved, and the detection efficiency is improved. And the detection quality is reduced due to eye fatigue caused by long-time work.

1. Name of the product in this design: Phototherapy Glasses. 2. Purpose of this design: To use LEDs to generate light of a specific wavelength or simulate sunlight to irradiate the eyes, thereby relieving eye fatigue and regulating physiological rhythms. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention belongs to the technical field of online education, and discloses an interconnected education intelligent management cloud platform, which is characterized in that eye images of students are acquired, eye features are extracted and analyzed, and the eye opening degree is obtained; acquiring fixation duration data of the student, calculating a fatigue evaluation value in combination with the eye opening degree, and judging the fatigue degree of the student; performing fatigue identification division on the students, performing judgment on online education adjustment, and determining fatigue time points; and if the online education needs to be adjusted, determining the fatigue occurrence duration according to the fatigue time point, carrying out stable analysis, and adjusting the preset development duration of the online education, thereby solving the problem of eye fatigue of the students when the intelligent classroom education is developed, facilitating accurate comprehensive evaluation of the online education, and improving the experience of the students. And on-line education development is optimized through eye fatigue analysis of students during intelligent classroom education development, so that the on-line education quality is improved.

The utility model relates to the technical field of eyeshades, and discloses a multi-layer composite eyeshade which is characterized in that an eyeshade body adopts a composite structure, the outer layer is an SMS cloth layer, the air permeability is good, essence liquid is sprayed on the outer layer, and pleasant fragrance can be emitted to help a user to relax; the middle layer is a lamination cloth layer which can effectively resist water and moisture and protect the inner layer structure; the inner layer is a traditional Chinese medicine gel layer which is in direct contact with eye skin, eye fatigue is relieved by means of traditional Chinese medicine components, and blood circulation is improved. An integrated heating bag is arranged at the position, corresponding to the eyes, in the eyeshade body, and blood circulation of the eyes is further promoted through continuous heating. The fixing parts on the two sides can be flexibly adjusted according to the head circumference of a user, and stable and comfortable wearing is ensured. The multi-layer composite eyeshade integrates multiple functions, and can effectively meet the requirements of a user for eye care, relaxation and a good sleep environment.

The utility model discloses a desk. The desk comprises a desk body; the lamp is fixed on the desk, and the color temperature of the lamp is adjustable; the controller is electrically connected with the lamp and used for adjusting the color temperature of the lamp; the color sensor is configured to detect environment color parameters, and the color sensor is electrically connected with the controller. According to the desk, the color sensor and the controller are arranged, so that the color temperature of the lamp can be automatically adjusted according to the actual environmental color change, a comfortable light source is further provided for a desk user, the desk user can work or learn under better environmental brightness, eye fatigue of the desk user is reduced, and the user experience is improved. Therefore, the comfort of the desk user can be improved.

An object of the present invention is to provide a composition for preventing visual dysfunction caused by exposure to light, such as so-called blue light. The present invention provides a composition comprising a lactic acid bacterium as an active ingredient for use in suppressing or improving conditions caused by retinal inflammation resulting from light damage. Eye discomfort is an exemplary condition caused by retinal inflammation resulting from light damage.

Provided are an eye care composition containing L-ergothioneine and a preparation method therefor and use thereof. The eye care composition containing L-ergothioneine provided in the present application includes the following components: L-ergothioneine, taurine, sodium hyaluronate, plant essential oil, p-benzenediboronic acid, an osmotic pressure regulator and water for injection. The preparation method includes mixing the sodium hyaluronate and the water for injection to obtain solution A; mixing the solution A, the taurine, the L-ergothioneine and the p-benzenediboronic acid, and adjusting pH to 5-7.5 to obtain solution B; and mixing the solution B and the plant essential oil, adjusting osmotic pressure to 250-350 mOsm / (Kg·H2O) by adding the osmotic pressure regulator, performing filtration and sterilization, and sub-packaging, so as to complete the preparation method. Based on the particular components and their proportions in the technical solutions of the present application, the eye care composition containing L-ergothioneine is obtained with the high stability, anti-inflammatory effect, relief effect on eye fatigue, itchy eyes and dry eyes, and good moisturizing effect.

The invention discloses a traditional Chinese medicine fumigation bag for relieving eye fatigue and a preparation method and application thereof, and belongs to the technical field of eye medicine. The traditional Chinese medicine fumigation bag for relieving eye fatigue is prepared from the following components in parts by weight: 10 to 30 parts of flos chrysanthemi indici, 10 to 30 parts of frosted folium mori, 10 to 30 parts of semen cassiae, 10 to 30 parts of herba gynostemmatis pentaphylli, 5 to 20 parts of herba menthae, 5 to 20 parts of folium perillae and 5 to 20 parts of herba dendrobii. According to the traditional Chinese medicine fumigation bag, through formula design, a slow release technology and a double-layer packaging technology, the defects that in the prior art, the medicine effect is short, and components are prone to losing are overcome, and the effect of a traditional fumigation therapy method is remarkably improved.

The invention discloses an eyestrain detection method and system for brain wave glasses. The method comprises the following steps: collecting a biological original signal directly related to eyestrain; based on the physiological relevance of the biological original signal, performing joint denoising on the biological original signal to obtain an effective signal capable of reflecting the eyestrain state; extracting feature parameters strongly related to eyestrain from the effective signals, learning contribution degrees of features to fatigue through a feature weight distribution mechanism, and generating weighted feature vectors of focusing eyestrain; and analyzing the weighted feature vector by using a pre-trained multi-modal fusion model in combination with user individual physiological baseline calibration, and outputting an eyestrain level adapted to individual differences.

The auxiliary device comprises a storage table, a lifting table, a visual detection device, a first driving device and a second driving device, the storage table is arranged at the upper end of the lifting table and can rotate around the center of the lifting table, and the visual detection device is arranged on the lifting table and used for recognizing the face movement direction of the human body and outputting signals. The first driving device is arranged on the lifting table and is configured to be capable of driving the storage table to rotate according to signals output by the visual detection device, and the second driving device is configured to be capable of driving the lifting table to move up and down according to the signals output by the visual detection device. According to the utility model, the visual detection device is used for monitoring the face movement of a user and controlling the lifting and rotation of the object placing table, so that the flexibility of a visual angle is improved, the device is suitable for different scenes, and the problem of eye fatigue caused by a poor viewing angle is reduced; the screen and the eyes of the user are in a head-up state, and the problem that the user looks up or lowers the head to watch the screen for a long time, and consequently the neck of the user is fatigued is solved.

The application belongs to the technical field of vision care, and provides a kind of intelligent glasses, glasses box and vision training method, intelligent glasses include: frame mechanism;Lens mechanism, it includes left mirror unit, right mirror unit and pupil distance adjusting unit, left mirror unit, right mirror unit are connected with pupil distance adjusting unit to realize lens pupil distance adjusting function;Drive mechanism is connected with pupil distance adjusting unit to realize zoom vision training function.The intelligent glasses provided by the application is simple in appearance, light in quality, can replace daily ordinary corrective glasses for use, can improve the user's retinal imaging quality by adjusting the lens pupil distance, reduce the eye fatigue, at the same time, the lens can be driven to reciprocate to realize zoom vision training function, effectively exercise ciliary muscle, improve the accommodation ability and acuity of ciliary muscle, play the effect of preventing and treating myopia and amblyopia, the vibration is weak, avoid the phenomenon of dizziness and discomfort produced in the training process, improve the user experience and vision training effect of wearer.

This invention relates to a blueberry lutein ester hawthorn cookie with a protective effect on vision and its preparation method. The raw material composition is as follows: 100-180 parts flour, 20-80 parts palm oil, 20-80 parts maltitol, 1-30 parts roasted wheat bran, 1-15 parts soybean dietary fiber, 1-10 parts polydextrose, 1-20 parts blueberry powder, 1-20 parts hawthorn powder, 1-20 parts leavening agent, 0.1-6 parts flavoring agent, 0.1-3 parts disodium dihydrogen pyrophosphate, 0.1-3 parts phospholipids, 1-5 parts lutein ester, 0.001-1 part water-soluble β-carotene, 0.1-4 parts blueberry flavoring, and 2-50 parts water. This cookie uses lutein ester, blueberry powder, and water-soluble β-carotene in a scientifically formulated ratio. After being absorbed by the human body, these three ingredients work synergistically to relieve eye fatigue and greatly enhance the protective effect on vision. It also has the advantages of good appearance and color, low calories, crispy and delicious taste, while being low in sugar, relieving eye fatigue, protecting the eyes, rich in dietary fiber, strengthening the spleen and aiding digestion, and maintaining normal intestinal function.

1. The name of the design product: eye massager (M13). 2. The use of the design product: the design product is used for massaging the eyes, removing eye bags and relieving eye fatigue. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses an electronic ink screen local refreshing method and system based on space-time prediction and waveform optimization, and relates to the technical field of electronic ink screen local refreshing, and the method comprises the steps: collecting user behavior characteristics and screen state data, inputting the data into a user behavior prediction module, and outputting a dirty region, a potential modification region and prediction confidence thereof; the pre-rendering candidate region is combined with the prediction confidence degree and then converted into a standardized data structure to be issued; the intelligent waveform optimization module outputs a target waveform parameter based on the extracted key features of the dirty region and the prediction confidence; the ghosting elimination module generates a reverse compensation waveform according to the target waveform parameter and the information of the dirty area, is used for eliminating ghosting, and finally indicates the display controller to refresh a screen and update display content; according to the refreshing method, the characteristics of no backlight and no stroboflash of the electronic ink screen are fully exerted, and a healthy programming learning environment is provided for young children; and asthenopia and visual impairment risks caused by long-time use are reduced.

The invention discloses an AR glasses imaging distance adjusting system. The system comprises a sensor module, a processing module, a driving circuit module, left and right micro-display modules and a power supply module. The sensor module comprises a gyroscope, an eyeball tracking sensor and an eye axis length detection unit, and is used for detecting the angle change of the head and eyeballs, measuring the length of the eye axis and generating a signal; the processing module receives the signal, calculates offset through a diopter compensation algorithm unit and generates a control signal; the driving circuit module comprises a neural feedback driving unit and is used for receiving the control signal and converting the control signal into a driving signal; the left and right micro-display modules synchronously adjust an image angle and a light convergence angle through a pixel offset and light field modulation subunit; the power supply module supplies power to each module. According to the system, dynamic and personalized adjustment of the image combination distance is realized, the problems of convergence conflicts and eyestrain caused by the fixed image combination distance of traditional AR glasses are solved, and the physiological suitability and the user experience are improved.

The invention belongs to the technical field of eye care, and provides vitamin B12-containing contact lens lubricating eye drops and a preparation method thereof, and the vitamin B12-containing contact lens lubricating eye drops comprise 0.5 to 0.7 part of sodium hyaluronate, 0.18 to 0.23 part of a tackifier, 0.3 to 0.35 part of polyvinyl alcohol, 1.1 to 1.2 parts of soybean phospholipid, 0.2 to 0.3 part of sodium cromoglycate, 0.7 to 0.9 part of vitamin B12, 0.005 to 0.01 part of borneol, 0.1 to 0.15 part of a surfactant, 0.1 to 0.18 part of a sodium chloride solution, 0.3 to 0.4 part of tiloxamer and 80 to 90 parts of water. The sodium hyaluronate and the polyvinyl alcohol have moisturizing and thickening effects, the sodium cromoglycate can effectively diminish inflammation and kill viruses, and conjunctivitis and other eye diseases are avoided; vitamin B12 can moisten corneas and relieve eye fatigue. Through cooperative use of the raw materials, the effects of moistening eyes, diminishing inflammation and relieving are achieved.

The invention discloses an immersion type reading auxiliary device. The immersion type reading auxiliary device comprises a table body, two lateral shielding plates and a lighting module. The desk body is provided with a bookcase, an adjusting support and a bookshelf, and the bookshelf is arranged on the desk body through the adjusting support; the two lateral shielding plates are arranged on the two sides of the table body respectively and supported by the table body, and the lateral shielding mechanism comprises a folded state and an unfolded state; the lighting module is arranged on the desk body, and the light output direction of the lighting module is configured to face the bookshelf. The support is adjusted so that a user can optimize the spatial position and the inclination angle of the bookshelf according to personal requirements, the reading comfort is improved, and muscle fatigue caused by bad postures can be effectively prevented. The lateral shielding plates form effective lateral visual isolation in the unfolded state, the lateral shielding plates and the bookcase jointly form a semi-enclosed reading space, interference of the surrounding environment to sight is limited, and a good visual environment is created for deep reading. The illumination module provides stable and uniform illumination for the reading area, ensures visual comfort and relieves eye fatigue.