65 results about "Normal vision" patented technology

A passive/active infrared imaging system apparatus for mounting on a head/helmet includes a passive infrared camera Head Pack having a removable narrow band filter cover, an objective lens, a beam splitter, an uncooled focal plane array (UFPA) package, an interface board, and a display unit such a liquid crystal display (LCD), with forward/back, up/down, and tilt adjustment functions fitting any mask, mounted in the front of said head/helmet for converting infrared light images into electronic signals. An electronic unit coupled between the UFPA of the infrared camera and the display unit, includes a controller for processing video signals from the infrared camera and supplying them to the display unit. The electronic circuit includes a wireless video & audio transceiver, a piezoelectric microphone, a voice controller, and a neural network pattern recognition chip. The display unit (such as LCD)] is inside the head pack and mounted on the head/helmet for converting electronic signals into visible light images, so that it is in front of eyes of a user, so that the user can directly view an external scene without blocking his normal vision, if the optical axis of the display unit is aligned with the optical axis of the objective lens, the system parallax is eliminated. A Battery Pack having a video controller board and battery is mounted on the rear of the head/helmet so that it gives the video output and power to the infrared system. An eye-safe near infrared laser diode with corresponding optical and electronic attachments mounted on the head/helmet illuminates targets to get images through same passive infrared system.

The invention discloses a visual prosthesis image acquisition device which comprises an eye movement acquiring and processing module, a camera and a rotating cradle head. The eye movement acquiring and processing module is used for acquiring an eye movement signal of an eyeball and sending a control signal according to the signal to control the rotation of the rotating cradle head so as to ensure the camera fixed on the rotating cradle head to turn to the rotation direction of the eyeball and acquire an image in the direction, wherein the eye movement acquiring and processing module comprises an eye movement camera for shooting a video of movement of a pupil of the eyeball and an eye movement video receiving and processing unit for receiving the video and acquiring the rotation direction of the eyeball by the video. According to the invention, by acquiring the rotation direction of the eyeball in real time so as to control the rotating cradle head to drive the camera to turn to the direct and acquire the image in the direction, the biomimetics on human vision and eye movement functions is well implemented, so that a user acquires the prosthesis visual experience closer to the normal vision.

The invention discloses a binocular electronic reader, and belongs to the field of image recognition. The binocular electronic reader is operated by the following steps of: acquiring two images of a document at different angles through two cameras; processing the images by using the principle of computer vision; and finally converting the images into sound through character recognition, speech synthesis and sounding processing. The binocular electronic reader can assist saving valuable data and realize electronic document, also can assist blind persons and weak sight readers in reading, and also can assist people with normal vision in avoiding visual fatigue and slow down eye myopia.

Methods and apparatus are configures to measure an eye without contacting the eye with a patient interface, and these measurements are used to determine alignment and placement of the incisions when the patient interface contacts the eye. The pre-contact locations of one or more structures of the eye can be used to determine corresponding post-contact locations of the one or more optical structures of the eye when the patient interface has contacted the eye, such that the laser incisions are placed at locations that promote normal vision of the eye. The incisions are positioned in relation to the pre-contact optical structures of the eye, such as an astigmatic treatment axis, nodal points of the eye, and visual axis of the eye.

The invention discloses a waveguide display structure capable of improving visual experience. An imaging correcting lens with negative diopter is arranged at the near-to-eye end of a traditional waveguide, and a system correction lens with positive diopter is arranged at the other side of the traditional waveguide; the imaging correction lens and the system correction lens compensate each other; and the overall diopter of the waveguide display structure is zero. According to the waveguide display structure of the present invention, a display imaging structure is modified without changing the traditional waveguide, and therefore, the waveguide display structure of the invention has the advantages of simple structure and low processing cost. With the waveguide display structure adopted, people with impaired vision, people with corrected vision and people with normal vision, whose myopia degrees range from -120 degrees to 800 degrees, can see clear images in the waveguide, the display effect of the waveguide can be significantly improved, and the observation of the outside world by a wearer will not be affected. The waveguide display structure is of great significance for improving waveguide visual experience and popularizing waveguide display technology.

The invention discloses a free radicals scavenging healthful edible oil that is of anticancer and cancer prevention and can at the same time sustain the normal vision and normal morphology and function of epithelial tissues, etc, which is characterized in that the edible oil is provided with Vitamin A and lycopene, while the Vitamin A content in the edible oil is 0.01-500mg/100g and the lycopene content in the edible oil is 0.01-70mg/100g. The edible oil of the invention is well suitable for the Chinese food habits, the Vitamin A and the lycopene in which can be effectively absorbed by human body in the routine diet, so that people can fully utilize a plurality of functions of Vitamin A and lycopene, such as antioxidant capacity, free radicals scavenging capacity and repairing cells, anti-aging, anticancer and cancer prevention, sustaining normal vision and normal morphology and function of epithelial tissues and so on, thus playing a positive role for the health of human body.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method of wild boar preserved meat. The preparation method comprises the following steps of A, selecting materials; B, treating at high pressure; C, preparing auxiliary materials; D, pickling; E, airing; F, fumigating; G, air drying. The wild boar preserved meat prepared by the preparation method has the advantages that the lean meat is bright red or dark red, and the fat meat is transparent or milky white, and the mucus and mildewing point are avoided; the foreign odor and rancid flavor are avoided; the meat body is dry, firm and elastic, the appearance is regular, the mildewing and mildew spot white membrane are avoided, and the foreign matter outside normal vision is avoided; after cooking, the taste is rich, the fat meat is not greasy, and the lean meat does not stick teeth.

The invention discloses Alvarez zoom intelligent glasses. The glasses comprise a spectacle frame and lenses; the lens at each side is composed of an Alvarez free curve lens, one Alvarez free curve lens is composed of two optical lenses; each lens is fixed on a guide rail of the spectacle frame through a sliding block, one of two of the two optical lenses can freely slide on the guide rail of the spectacle frame, thereby automatically adjusting focal power according to the distance of observing a target by a wearer, and enabling the user to observe the target in the most comfortable state; theeye muscle fatigue is relieved; the aim of preventing the myopia can be achieved for the young user with normal vision; for the aged presbyopia patient, the presbyopia patient can conveniently and clearly see the distant and near targets.

The invention provides an intraocular pressure monitoring device which comprises a strain sensing circuit, a circuit signal processing module and a flexible ceratoscope, wherein the strain sensing circuit is used for monitoring deformation quantity generated by eyeball curvature change, the circuit signal processing module is used for converting the deformation quantity generated by the eyeball curvature change into pressure data in eyeballs and sending the pressure data to an external device, the flexible ceratoscope is used for being tightly attached to the eyeballs, the strain sensing circuit and the circuit signal processing module are both embedded into the flexible ceratoscope, and the strain sensing circuit can send the monitored deformation quantity generated by the eyeball curvature change to the circuit signal processing module. According to the intraocular pressure monitoring device disclosed by the invention, the strain sensing circuit and the circuit signal processing module are miniaturized and embedded into the flexible ceratoscope; the intraocular pressure monitoring device achieves the purpose of monitoring intraocular pressure in real time under the situation without affecting normal vision after a user wears the flexible ceratoscope; meanwhile, measurement results are prevented from being affected by human body postures and motion states.

The invention discloses an eye patch for preventing and treating myopia. The eye patch comprises a patch body matched with double eyes and fixing belts; different from the existing technology, the front part of the patch body is connected with two light-proof visual tubes, full chromatographic light sources are uniformly distributed and arranged on the inner walls of the front ends of the visual tubes in 360 degrees, the visual tubes are provided with light control switches respectively, and the on/off of the light sources is controlled through the switches. The eye patch has a simple structure and is convenient and practical, 360-degree rotary training of eyeballs can be realized, and the purposes of preventing and treating the myopia, astigmatism and cross eye can be achieved by consistent use. When a person with normal vision uses the eye patch, the eye fatigue can be relieved, the sensitivity of the eyes to light can be improved, and the vision can be protected.

A sight distance visibility meter and a measuring method thereof can simulate light sensitivity of human normal vision truly to obtain atmospheric visibility distance directly and truly, and relate to the fields of real-time monitoring of agglomerate fogs in highways and atmospheric visibility distance measurement. The sight distance visibility meter comprises a target body, and an optical amplifier, a near infrared plane array CCD (charge coupled device) and an embedded signal processing unit which are connected sequentially, as well as a fog energy actuator arranged between the target body and the optical amplifier. Compared with the digital camera visibility distance measurement method, the method provided by the invention has the advantages of all-weather, high measurement accuracy, good stability, simple structure, small volume, low cost and the like due to the fact that the method does not needed a scene reference, is free from the affects of environmental factors like light and temperature in the atmospheric environment and acts no matter day and night, and the method is applicable for the real-time measurement of distance visibility and highway agglomerate fog monitoring needing intensive stationing.

The invention discloses virtual-reality equipment which comprises a virtual-reality display device, a lens group and a diopter adjuster, wherein the virtual-reality display device is used for displaying a display source signal by virtue of connection with video equipment; the lens group is a combination of at least two lenses; the diopter adjuster is used for regulating the distance between the lenses in the lens group, so as to ensure that the diopter of the lens group is continuously adjustable in a preset range. By virtue of the virtual-reality equipment provided by the invention, a user can adjust the distance between the lenses of the equipment, so that formed images are positioned within the normal vision range of the user, the problem that inconvenience in use is caused since a crowd suffering from myopia or hypermetropia must wear glasses while using traditional VR equipment or lenses with fixed diopter are additionally arranged on the equipment is avoided, the user requirements of most people are met, and furthermore, the use comfort level of the user is improved.

A method and system for simulating/emulating vision using intraocular devices or lenses prior to surgery, preferably using multifocal and monofocal intraocular lenses. The invention allows the patient, prior to surgery, to compare the differences in the perception of an image as seen with the intraocular lens and with normal vision, determining which type of lens the patient prefers, and in turn allows the ophthalmologist to measure which provides the better visual performance. The invention comprises a system containing the intraocular lens, called an artificial eye, a lens for transporting the image from the intraocular lens and eliminating the blur introduced by the artificial eye, and at least one telescope or optometer which transports the intermediate image from the intraocular lens onto the patient's pupil. In this manner, the patient is shown how he/she would see after surgery with each type of lens proposed by the ophthalmologist.

The invention discloses a self-focusing VR helmet comprising a focusable lens group and a micro motor. The focusable lens group comprises a left eye lens and a right eye lens. The left eye lens and the right eye lens of the focusable lens group are respectively corresponding to the left eye and the right eye of a user under the wearing state of the helmet. The left eye lens and the right eye lens respectively comprise a lens or are respectively composed of at least two lenses through lamination. Both of the left eye lens and the right eye lens at least comprise a multifocal lens. According to the self-focusing VR helmet, the focusable binocular lens group is formed by one or multiple multifocal lenses through lamination; and a gear is driven by rotation of the micro motor, the gear is adaptive to the focusable lens group binocular lenses in a linkage way by the micro motor and the corresponding lenses are rotated to the appropriate position to realize the focusing function and complete self-focusing. Therefore, the myopia patients are enabled to experience the VR helmet with naked eyes and acquire the same experience effect with that of people with normal vision.

An embodiment of the invention provides a traditional Chinese medicine preparation for regulating the vision, a preparation method and an eye mask, and belongs to the technical field of traditional Chinese medicine preparation. The preparation includes placing 7g of sea buckthorn, 10g of peppermint, 15g of cassia seed and 0.3g of borneol into a gauze bag, immersing the gauze bag in cold water for60 minutes, pouring the medicinal materials into a medicine pan, adding 1200ml distilled water for immersion for 20-30 minutes, boiling, then simmering for 10-20min, filtering to obtain the liquid andstanding for 20 minutes to obtain the preparation. The eye mask is prepared by soaking an eye patch in the traditional Chinese medicine preparation. The traditional Chinese medicine preparation is safe and has no side effects, can not only treat myopia, but also prevent myopia, relieve eye fatigue and has an excellent effect on congenital amblyopia and blurred vision. The preparation is effectiveonce in clinical trials, the eyesight can be increased by 1-3 lines on the spot, and the normal vision can be restored after 30 days.

The invention discloses a programmable eye-protecting and health-keeping functional electronic module device, which comprises a power supply module, a timed startup and storage module, a reminding device and a key unit, wherein the power supply module is connected to the timed startup and storage module; the timed startup and storage module is connected with the reminding device; the key unit is connected with the timed startup and storage module; and the reminding device consists of a vibrator or an earphone, an LED (Light-Emitting Diode) lamp band and electromagnetic acousto-optic tools such as a liquid crystal display screen and the like. An eye-protecting and health-keeping functional mobile phone comprises a mobile phone and eye-protecting functional eyeglasses, wherein the eye-protecting and health-keeping functional electronic module device is arranged in the mobile phone; an eye-protecting and health-keeping key is set to start an eye-protecting and health-keeping function by pressing; the eye-protecting functional eyeglasses comprise eyeglasses and an eye-protecting functional electronic module; the edge of an eyeglass frame is provided with a reminding device; and the reminding device is connected to the programmable eye-protecting and health-keeping functional electronic module through a data line. The invention can be applied to various devices to remind a user of resting periodically and protect normal vision and body life on multiple aspects.

The invention discloses a remotely-controlled visual chart (capable of treating amblyopia and low myopia) with a box, which is characterized in that detection symbols refer to eight openings (upper, lower, left, right, upper-left, lower-left, upper-right and lower-right), eight ensiform remotely-controlled receiving type indicating lamps (at upper, lower, left, right, upper-left, lower-left, upper-right and lower-right) are arranged above a box body, the indicating lamps have eight colors, a remotely-controlled transmitting pedal (divided into upper, lower, left, right, upper-left, lower-left, upper-right and lower-right parts) is correspondingly arranged, the pedal has corresponding eight colors, and the center of the remotely-controlled pedal is provided with a device which can carry out 360-degree rotation. The top of the box body is provided with an inserting slot for replacing visual charts, and 3-5 pieces of symbol vision boards with different detection directions are stored. The remotely-controlled visual chart (capable of treating the amblyopia and the low myopia) with the box can be used for carrying out the ordinary vision detection, and also can carry out the normal vision detection on deaf-mute children, and in the process of vision detection, a tested person is not required to talk but just steps on corresponding arrows while seeing the opening directions or colors of the detection symbols of the visual chart, then the indicating lamps above the visual chart are turned on, so that through cooperating with a vision correction method (application number: 201110270610. X) invented by the inventor of the invention previously, a person with the amblyopia and the low myopia can achieve or are close to be at a condition of normal vision in a short time.

The invention relates to a special vitamin feed additive for egg-type breeding chicken and a preparation method for the special vitamin feed. The feed additive is prepared from the following components in parts by weight: 5-8 parts of vitamin A, 5-10 parts of vitamin E, 5-10 parts of vitamin C, 10-30 parts of montmorillonite, 10-20 parts of methionine, 10-20 parts of lysine, 1-5 parts of arsanilic acid, 0.5-1 part of vitamin B2, 0.5-1 part of biotin, 0.5-1 part of nicotinic acid, 5-10 parts of VB6 and 5-10 parts of D-calcium pantothenate. The feed additive disclosed by the invention has capacity of keeping normal dark adaptation, can be used for keeping normal vision to promote biosynthesis of proteins and differentiation of bone cells, promote the growth of a body and development of bones, promote the development of the egg cell, improve the quality of the egg cells and increase the ovulation quantity, improve the sperm quality of breeding chicken, increase the fertility rate of eggs and improve the vigour and quantity of sperm cells, and has effects on increasing the hatching rate, fertility rate and survival rate of chicks of hatching eggs.

The invention discloses a video conference implementation method based on a fisheye panoramic camera. The problems of high conference hall setting requirements, small view angle range, single scenes and poor face-to-face interaction of the existing video conferences are mainly solved. The implementation scheme is as follows: 1, obtaining a fisheye image of a conference site through the fisheye panoramic camera, and preprocessing the fisheye image in a local processing center; 2, correcting the preprocessed fisheye image by using a spherical perspective projection model to generate a new view point image under normal vision; and 3, transmitting the generated new view point image to a remote processing center through a transmission system, and outputting and displaying the received new view point image to display terminals by the remote processing center. The video conference implementation method disclosed by the invention has the advantages of wide view angle range, simple conference hall settings, convenience for system operation, good intuition, high interactivity, and capability of providing face-to-face interaction experience for all conference participants, and the video conference implementation method can be applied to video conferences of two or more different places.

Methods and compositions modulate the activity of electrically excitable cells. Photovoltaic compounds which, upon exposure to light energy, increase or decrease the electrical activity of cells. These supplement and/or replace of vision based on the conversion of light energy to electrical energy within certain cells of the visual system. A “patch” or bridge to circumvent one or more defective, damaged, or diseased cells in the visual system. Additionally, in several embodiments, subjects with normal vision can benefit from the methods, compositions, systems, and/or devices disclosed herein as normal visual acuity can be heightened. The exposure induces an energy (e.g., a receipt of light energy, conversion to electrical energy, and passage of that electrical energy) from the photovoltaic compound to the cell, thereby altering the transmembrane potential of the cell and/or the opening of one or more ion channels, thereby modulating the activity of the electrically excitable cell.

The invention provides an audio output control method. The audio output control method comprises: dividing an audio data signal into multiple single-track audio data signals, judging whether a signal peak value of the single-track audio data signals at the current moment is less than that of the single-track audio data signals at a first moment, if yes, updating the signal peak value of the single-track audio data signals at the current moment into the signal peak value of the single-track audio data signals at the first moment, otherwise, keeping the signal peak value of the single-track audio data signals at the current moment not less than that of the single-track audio data signals at the first moment; regulating gain values of the single-track audio data signals at the current moment as first gain values, which are required by users, of the single-track audio data signals at the current moment; generating matching single-track audio data signals and combining a multi-track audio data signal. By means of the audio output control method, control system and electronic equipment provided by the invention, video player can ensure normal vision and audio, a phenomenon that sounds are suddenly loud or small will not occur, and normal communication between the users is ensured.