188 results about "Agudeza visual" patented technology

A system for enabling the hearing impaired comprises a plurality of servo actuators each associated with a particular segment of a predetermined frequency domain. The servo actuators drive tactile stimulators which engage the skin of the hearing impaired person in patterns that are unique to individual inputs thereby enabling the hearing impaired person to “hear” signals within the defined frequency domain. An electromechanical system for enabling the visually impaired comprises a two dimension array of servo actuators which respond to optical sensors and which actuate tactile stimulators thereby identifying objects in the path of the visually impaired person.

An electronic device is described that assists blind and/or low vision users in magnifying and reading printed text, fast book scanning and printing magnified images of said text. The device can also produce audio output that allows listening to the text being pronounced.

The invention discloses a blueberry composite tablet candy capable of relieving visual fatigue and a preparation method thereof. The blueberry composite tablet candy capable of relieving the visual fatigue comprises the following raw materials in percentage by weight: 13.25 percent of a blueberry extract, 0.5 percent of lutein esters, 0.3 percent of beta-carotene, 1.0 percent of citric acid, 64.45 percent of sorbitol, 2 percent of xylooligosaccharide, 3 percent of dextrin and 15 percent of microcrystalline cellulose, wherein the blueberry extract is extracted from a mixture of blackberry pomace dry matter and acid ethanol; the acid ethanol comprises ethanol and water with the volume percentage of 60 percent; the pH value of the acid ethanol is 1.5 to 3.0; the blackberry pomace dry matter and the acid ethanol are in the mass volume ratio of 1:50-1:70; the preparation method of the blueberry composite tablet candy capable of relieving the visual fatigue comprises the following main steps: 1, preparing the blueberry extract; 2, crushing; 3, mixing; 4, granulating; 5, tabletting; 6 packaging. The blueberry composite tablet candy capable of relieving the visual fatigue can effectively relieve the visual fatigue, can improve eyesight after long-term eating, and is convenient to take; a new using way is provided for utilizing fresh blueberry and fully playing intentional physiological and pharmacological efficacies.

The invention belongs to the technical filed of wearable equipment and provides a focal length adjusting method and a headset display. The method includes acquiring the eye degree of a user when it is detected the user wears the headset display; adjusting the focal length of the lens in the headset display to a target focal length according to the eye degree of the user so that the user views a frame whose resolution satisfies a preset condition, wherein the frame is the frame displayed by the headset display. According to the present invention, a user who has a vision problem can clearly view the frame displayed on the headset display without wearing glasses, so that the wearing effect of the headset display and the visual immersion feeling can be improved.

A handbag adapted to enhance organization for the visually-impaired diabetic, being a one life-product that integrates fashion, healthcare and convenience. The handbag includes a sectional organization, thus segregating medical supplies from personal items. In addition, the handbag provides color contrast, texture contrast, and orientation contrast pockets and pouches for ease in organizing the medical supplies and the personal items stored therein.

This invention is in the field of the treatment of eye disorders. In particular, it relates to the use of a remote monitoring system for determining patient response to therapeutic treatment, in particular with VEGF antagonists.

The invention provides an automatic adaptive terminal font size method and device according to the human eyesight. The method comprises measuring the distance between eyes of a user to a personal terminal when the user reads the personal terminal to acquire the sight distance of the user; utilizing the preset sight distance corresponding to a font table to acquire the font size parameters corresponding to the sight distance according to the sight distance of the user; and adjusting font display size of the personal terminal according to the font size parameters corresponding to the sight distance. The automatic adaptive terminal font size method and device according to the human eyesight has the following advantages being capable of automatically adjusting the font display size of the terminal according to strength and change of the human eyesight to greatly protect the human eyesight through the humanized design; enabling people older than 40 years to fully use the personal terminal; and expanding market requirements. Furthermore, a manual adjusting key for font display size of the personal terminal is installed on the surface of a casing of the personal terminal so as to be convenient to adjust.

A method, system and apparatus for providing vision correction to a patient is disclosed. The method, system and apparatus involve a) obtaining at least one bare eye data measurement, habitual lens data measurement and/or fitting lens data measurement of the patient; b) providing the at least one bare eye data measurement, the habitual lens data measurement and/or the fitting lens data measurement to a free form custom lens manufacturing system; c) producing a customized lens using the free form custom lens manufacturing system; and d) providing the custom lens to the patient.

A riser, ridge based touch keypad for a portable electronic device (e.g., mobile phone or flex pointer) is disclosed such that either in a dark environment a person with good eyesight or a person with decreased visual acuity may feel the riser(s) and the ridges representing a unique pattern with the finger in order to find the desired hidden key associated with the unique pattern prior to pressing. A couple of embodiments are also disclosed.

The invention discloses a holographic three-dimensional display mobile terminal and a method used for vision self-adaption. The mobile terminal comprises a human eye tracking module used to acquire positions of user eyes, a holographic conversion module used to convert a virtual three-dimensional scene to a holographic three-dimensional scene according to the positions of the eye positions, a vision acquisition module used to acquire vision information of eyes so as to further obtain a corresponding field depth numerical range, a scene adjusting module, and a display module used to display the holographic three-dimensional scenes, so a user can see far or close variation of object distance in the scene. The scene adjusting module is used to monitor or receive depth of field of the holographic three-dimensional scene and send a field depth adjusting command according to the field depth numerical range, so that adjusted depth of field is in the field depth numerical range. The holographic conversion module is also used to receive the field depth adjusting command, and adjusts the depth of field. Compared with the prior art, the mobile terminal and the method makes users rapidly and conveniently see three-dimensional scenes in which object distance changes to be far or close, so as to correct vision, and display contents of the three-dimensional scenes are enriched, and user experience is improved.

A head mounting display of a goggle type has a display, on which a guide image representing a model performance manipulation and an eyesight image of a practitioner are displayed in a superimposed manner. The guide image is adjusted its display size and position to be displayed on the display based on an image of a keyboard portion included in the eyesight image. Further, resolution and number of colors of the eyesight image are adjusted so as to meet those of the guide image or an animation image, resulting in reduction of data to be processed. Further, a side eyesight image of a hand of the practitioner playing an instrument is taken from the side, and it is determined if the practitioner's hand in the side eyesight image coincides with a model hand posture defined by judgment data which represents model manipulation performed in synchronization with progress of a song.

The embodiment of the invention provides an eye fundus image analysis method and system and electronic equipment. The eye fundus image analysis method comprises the following steps: acquiring a to-be-analyzed eye fundus image; performing pixel-level segmentation on the eye fundus image to obtain leopard print segmentation information which identifies that each pixel belongs to a leopard print region or a non-leopard print region; based on the eye fundus image, segmenting a plurality of regions of interest with different degrees of influence of the leopard print on vision, and obtaining region segmentation information for identifying the region of interest to which each pixel belongs; and performing quantitative analysis on the eye fundus leopard print according to the leopard print segmentation information and the region segmentation information. According to the method, quantitative analysis is carried out on the eye fundus leopard print more accurately according to the leopard print segmentation information and the region segmentation information, so that a diagnosis result can be given quickly and accurately; and a doctor does not need to spend a lot of energy and time to learn and analyze how to determine the degree of the leopard print according to the eye fundus image.

A method and system for communicating to sighted persons who cannot read a standard alphanumeric text, the informational content of that text includes an alphanumeric text is converted to a machine-readable set of informationally corresponding data, and then scanned to obtain an informational content data set. The informational content data set is then correlated with hieroglyphs that are representative of the actions, physical objects and the relationship between the actions and the physical objects presented by the informationally corresponding data set. The one or more hieroglyphs are then syntactically arranged to pictorially represent the informationally corresponding data set for a sighted person thereby to inform them of the actions, physical objects and the relationship between those actions and physical objects as was originally presented in the standard alphanumeric text.

The method is suitable for the technical field of password auxiliary input. The invention provides a password input method and a terminal device. The terminal device is provided with an auxiliary device matched with a virtual keyboard. The auxiliary device comprises: a first support provided with a touch mark, and a second support provided with a touch mark. The password input method comprises thefollowing steps of: after a person with visual impairment is monitored to find a column where a target key is located by touching a touch mark on the first bracket, the first preset gesture sliding along the column where the target key is located; or, after the visual impairment person finds the row where the target key is located by touching the touch mark on the second support, after a first preset gesture sliding along a row where a target is located is detected, sending out voice information, and after a second preset gesture is detected, characters at the contact position of the first preset gesture can be input, so that a person with visual impairment is assisted in inputting a password through a touch screen.

The invention discloses a traditional Chinese medicine patch for visual fatigue and eye skin care and a preparation method thereof. The preparation method includes: weighing black bean and agaric, adding water for soaking for 30min, adding platycladus orientalis leaf, Chinese holly leaf, semen cuscutae, fructus rosae, flos carthami, glossy privet leaf and rhizoma chuanxiong, adding water of 10 times and 8 times of amount of added ingredients for decocting twice, extracting liquid once every other 40min, and adopting a micrometer film to filter extract to obtain filtrate; using anhydrous alcohol to soak carrot and lemon, extracting once every other 40min, extracting extract, and using a proper amount of glycerin for dispersion to obtain glycerin liquid; merging the filtrate and the glycerin liquid to obtain product stoste, and using the stoste to soak nonwoven cloth to obtain the patch. The traditional Chinese medicine patch can improve or relieve visual fatigue symptoms like visual disorder, eye fatigue, photophobia, ache, tearing, foreign body sensation, dry eyes and ophthalmospasm and can relieve and eliminate symptoms like eye skin dark circle, crows-feet, eye bag and edema.

A telescope that provides for simultaneous clear viewing of objects or areas at various distances may be either Galilean or astronomical. The telescope may be mounted on or into any mechanism or device used for targeting or aiming. Such devices may include iron sights of small arms weapons, and cameras and telescopes, which may be either electrically or manually focused. These miniature scopes are engineered to maximize the clear depth-of-field viewing by the eye regardless of vision irregularities, such as Presbyopia, Myopia, Hyperopic, Astigmatism, or combinations of these, in conjunction with or without spectacle lens corrections. This aiming scope/device may be placed on a pair of spectacles in a very close proximity to the eye cornea. Other maximized scope image characteristics that occur are field-of-view, luminosity, and unmagnified and unbroken or distorted viewing field. Clearly detailed simultaneous viewing of images of all objects or areas at almost all distances forward of the objective lens is readily apparent to the scope user. Such objects include sighting devices forward of the scope on guns, bows, cameras, telescopes, and any target seen within the scope. Most reticles used in conjunction with this invention will also be observed in the scope.

The embodiment of the invention discloses an eyesight protection method and device, a storage medium and a terminal. The method comprises the steps of collecting a face image through a camera, performing preprocessing operation on the face image, recognizing the preprocessed face image based on a distance recognition model to obtain a state of a user away from a screen, and performing eye protection operation according to the state of the user away from the screen. The face image is collected in real time, the face image is recognized based on the pre-trained distance recognition model, the system occupancy rate is low, the recognition speed is high, the state of the user away from the screen can be obtained in real time, and when the user is close, the user is reminded to adjust the sitting posture, so that the eyesight of the user is protected.

The invention discloses a driver body condition detection method and system and a terminal. The method comprises the steps of trunk detection, upper limb detection, vision detection, color discrimination power detection, hearing detection, lower limb detection and multi-person detection. The trunk detection comprises left and right turning detection and hand raising detection; the upper limb detection comprises finger detection; the vision detection comprises eye covering judgment and dynamic sighting mark size adjustment; a test chart is randomly selected by color discrimination force detection, and whether the received number or graph is consistent with the test chart or not is judged; during listening detection, a test audio is played, and whether the received sound source direction matches the corresponding text content or not is judged; during lower limb detection, the lower limb movement function is judged by detecting rotation angle data and pressure data of a pedal. The instantaneous number of people is counted in the picture through multi-person detection, and a multi-person detection alarm is output when the number exceeds a threshold value. All item detection processes are recorded in the whole process, cheating behaviors are prevented, the whole process can be traced, controlled and checked, and the invention can be applied to driver self-service physical examination service.

The invention discloses a system device for protecting the vision of adolescents and children, and relates to the field of vision protection equipment. An ultrasonic detection controller and a routerare placed on a television base; furthermore, an image comparison control and wireless network controller is arranged at the left side of the television base; a first industrial camera and a video signal on-off executor are arranged on a computer desk; and the ultrasonic detection controller, the router, the first industrial camera, the video signal on-off executor, a portable communication equipment ranging prompter, a second industrial camera and a sitting posture voice prompt device are connected with the image comparison control and wireless network controller through a wireless network. By adoption of the system device for protecting the vision of the adolescents and the children disclosed by the invention, the measures, such as cut-off of videos, audios and the wireless network and voice prompt, are carried out on an intelligent television, a computer and mobile video equipment through a signal processor according to signals acquired by the ultrasonic detection controller, the portable communication equipment ranging prompter and the industrial camera; and thus, the vision of the adolescents and the children is protected.