CN106950694A - A kind of circumscribed improves eyesight and wears VR devices - Google Patents

Abstract

The invention discloses an externally connected head-mounted VR device for improving eyesight, which includes: a fixing device, an external cover, a display screen, a lens group, a lens adjusting device, an eye tracker, a head tracking device, an image storage module, and a central processing module and a wireless communication interface, wherein: the lens group includes a first lens and a second lens respectively corresponding to the position of the human eye and a lens frame, and the display screen is located in front of the lens group; The focus point on the display screen, the central processing module adjusts the sharpness of the image at and around the focus point of the eyeball on the display screen according to the focus point of the eyeball; The displayed image rotates with the rotation of the head; the wireless communication interface is connected with a control terminal in a wireless manner, and a control software is installed in the control terminal, and multiple treatment modes are built in the control software.

Description

An externally connected head-mounted VR device for improving eyesight

technical field

The present invention relates to the field of virtual reality, in particular to an external-type vision-improving head-mounted VR device.

Background technique

The virtual reality technology VR (Virtual Reality) appeared in the early 1990s. In recent years, virtual reality technology has become one of the most popular scientific research topics in the field of computer technology, and the development of corresponding technologies is also quite rapid. Virtual reality is a human-computer interface that can naturally interact with a computer-generated virtual environment. Its application development prospects are very broad and its market potential is immeasurable. At present, virtual reality has been initially applied in many fields such as mechanical design, scientific computing, film and television entertainment, chemical medicine and military training, and many applications cannot be replaced by other technologies.

Virtual reality technology is an important direction of simulation technology. It is a collection of simulation technology and computer graphics, man-machine interface technology, multimedia technology sensor technology, network technology and other technologies. It is a challenging cross-technology, frontier disciplines and fields of study. Virtual reality technology (VR) mainly includes aspects such as simulated environment, perception, natural skills and sensing equipment. The simulated environment is a real-time dynamic three-dimensional realistic image generated by a computer. Perception means that an ideal VR should have the perceptions that all people have. Specifically, in addition to the visual perception generated by computer graphics technology, it should also have auditory, tactile, force, and motion perceptions. Natural skills refer to people's head rotation, eyes, gestures, or other human behaviors. The computer processes the data adapted to the participants' movements, and responds to the user's input in real time, and feeds back to the user's facial features respectively. . With the advantages of simulation, openness, time and space, and operability, virtual reality technology will carry out in-depth construction of simulation training demonstration bases, academic research, and development of telemedicine and smart medical models in major medical institutions and colleges across the country. Provide a framework foundation for the smart medical system.

Myopia and hyperopia are generally caused by excessive use of the eyes, which leads to loss of activity of eye muscles and reduced eye adjustment performance. When the eyes look at close-up objects for a long time, it will cause the ciliary body to press on the lens for a long time, causing the shape of the lens to become more curved. Under this pressure for a long time, it will cause irreversible changes in the lens. That is to say, the eyes see near and far, mainly through the ciliary muscle stretching or compressing the lens, that is, changing the diopter of the lens. The theory is that by looking at something far away for a long time, the ciliary muscle can stretch the lens to restore vision.

At present, there are two main methods of vision correction: wearing glasses and laser surgery. Laser surgery treatment can cure myopia, but laser surgery has risks and the possibility of recurrence; for the solution of wearing glasses, wearing ordinary myopia and hyperopia glasses cannot fundamentally solve the problem, but the degree of myopia will deepen as time goes on. In addition, there are also various auxiliary myopia treatment devices in the market, but most of them are inconvenient to use or have no obvious effect.

At present, those skilled in the art have considered using VR virtual technology to correct vision, so as to reduce the risk of surgery and improve the effect of vision correction. However, this type of equipment on the market is generally mechanical, and the lens needs to be constantly turned over by hand during use, which is very inconvenient and has not been widely promoted so far.

Contents of the invention

The present invention provides an externally connected VR device for improving eyesight, which is used to train the ciliary muscles and medial rectus muscles, so as to solve the problems of adjustment lag and insufficient adjustment function; prevent the occurrence, development and visual function of myopia Decrease and relieve visual fatigue and other symptoms.

In order to achieve the above-mentioned purpose, the externally connected vision-improving head-mounted VR device provided by the present invention includes: a fixing device, an external cover, a display screen, a lens group, a lens adjusting device, an eye tracker, a head tracking device, an image storage module, a central processing Module and wireless communication interface, where:

The fixing device is connected with the outer cover to fix the external vision-improving head-mounted VR device in front of the eyes;

The outer cover is located at the front of the device and has an accommodating portion;

The display screen, the lens group, the eye tracker, the head tracking device, the central processing module and the image storage module are all located in the accommodating part;

The lens group includes a first lens and a second lens respectively corresponding to the positions of human eyes and a lens frame, and the display screen is located in front of the lens group;

The lens adjustment device is located on the outside of the outer cover, which includes a pupil distance adjustment button, a diopter adjustment button and a focus adjustment button;

The central processing module is connected with the display screen, the eye tracker, the head tracking device, the wireless communication interface and the image storage module;

The eye tracker tracks the focus point of the eyeball on the display screen according to the characteristics of the eyeball and the periphery of the eyeball, and the central processing module adjusts the images at the focus point of the eyeball and around the focus point in the display screen according to the focus point of the eyeball clarity;

The central processing module controls the image displayed on the display screen to follow the rotation of the head according to the head movement detected by the head tracking device;

Multiple images for training are stored in the image storage module;

The wireless communication interface is wirelessly connected to a control terminal, and the control terminal is equipped with a control software, and the control software has multiple treatment modes built in, and the central processing module selects from the image storage module according to each treatment mode. The corresponding image is selected and its distance change on the display screen is controlled at a preset time interval T1 and its definition change on the display screen is controlled at a preset time interval T2.

In one embodiment of the present invention, the fixing device includes two elastic adhesive tapes that can be bonded to each other and a nose pad made of soft material.

In an embodiment of the present invention, the field of view of the first lens and the second lens are both 120° and both are aspherical.

In an embodiment of the present invention, both the first lens and the second lens are used in cooperation with spectacle lenses whose power is not higher than 800°.

In an embodiment of the present invention, the head tracking device includes a gyroscope, an accelerometer and a magnetometer.

In an embodiment of the present invention, the wireless communication interface is a Bluetooth interface and a WIFI interface.

In an embodiment of the present invention, the external-type vision-improving head-mounted VR device further includes a timing activation module, and the timing activation module activates a preset treatment mode at intervals of a preset time.

In an embodiment of the present invention, the external vision-improving head-mounted VR device further includes a voice communication module, and the voice communication module is connected to the wireless communication interface to facilitate voice communication between the user and the remote doctor. .

In an embodiment of the present invention, the control terminal is a smart phone, a computer or a PAD.

In an embodiment of the present invention, the external vision-improving head-mounted VR device further includes a wireless earphone, and the wireless earphone is connected to a music library through the wireless communication interface.

The external vision-improving head-mounted VR device provided by the present invention adopts virtual reality technology and integrates various technologies such as computer graphics technology, computer simulation technology, sensor technology, etc., and utilizes virtual reality technology to create a real scene in the multi-dimensional information space, so that Users have an immersive sense of immersion and are able to interact perfectly with the environment. When the present invention is in use, by zooming the scene, the virtual picture can be slowly moved from the eyes to a certain distance (for example, 5 meters) to infinity, and then slowly moved to the eyes to repeatedly train the ciliary Rectus muscle and medial rectus can make the user's eyes alternate between adjustment and relaxation, which can effectively improve the adjustment lag and insufficient adjustment function, and then significantly improve the adjustment sensitivity of the eye, thereby increasing the adjustment speed, increasing the adjustment range, and improving visual clarity. Effectively prevent the occurrence and development of myopia, visual function decline and visual fatigue and other symptoms. The present invention not only realizes automatic control, but also can provide multiple treatment modes to make the use process full of fun, and has the characteristics of small size, high precision, comfortable wearing, and high automation.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is an exploded schematic diagram of an external vision-improving head-mounted VR device according to an embodiment of the present invention;

Fig. 2 is a top view of the back of an external-type vision-improving head-mounted VR device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of circuit connections of an external vision-improving head-mounted VR device according to an embodiment of the present invention.

Description of reference signs: 1-fixing device; 101-adhesive tape; 102-nose pad; 2-external cover; 21-accommodating part; 3-display screen; 4-lens group; Second lens; 43-lens frame; 5-lens adjustment device; 51-pupillary distance adjustment button; 52-diopter adjustment button; 53-focus adjustment button; 6-eye tracker; 7-head tracking device; 8-image Storage module; 9-central processing module; 10-wireless communication interface; 11-control terminal; 12-timing start module; 13-voice call module; 14-wireless earphone; - circuit board.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Figure 1 is an exploded view of an external-type vision-improving head-mounted VR device according to an embodiment of the present invention; Figure 2 is a top view of the back of the external-type vision-improving head-mounted VR device according to one embodiment of the present invention; Figure 3 is an embodiment of the present invention The schematic diagram of the circuit connection of the external vision-improving head-mounted VR device, as shown in the figure, the external-connection vision-improving head-mounted VR device provided by the present invention includes: a fixing device 1, an external cover 2, a display screen 3, a lens group 4, a lens Adjusting device 5, eye tracker 6, head tracking device 7, image storage module 8, central processing module 9 and wireless communication interface 10, wherein:

The fixing device 1 is connected with the external cover 2 to fix the external vision-improving head-mounted VR device in front of the eyes; the fixing device 1 may include, for example, two adhesive tapes 101 that are elastic and can be bonded to each other and a nose made of soft material. Holder 102, as shown in Figure 1, one of the ends of the two adhesive tapes 101 is respectively connected to one side of the outer cover, and the other end is wound to the back of the human head and can be glued to each other, and the nose holder 102 is for erecting on the bridge of the nose To play a supporting role, the distance between the nose pad 102 and the first lens 41 and the second lens 42 can be adjusted, so that users who wear glasses can also use it very conveniently. The fixing device 1 can also be in other forms that are convenient for fixing to the head and can be worn comfortably by the user, and the present invention is not limited to the above forms. For example, in order to improve the fixing stability of the fixing device 1 , a plurality of adhesive tapes can be provided and wrap around the upper and lower sides of the back of the head respectively.

The outer cover 2 is located at the forefront of the device and has a housing part 21. The rear end of the housing part 21 is sealed with a soft bar 16. The soft bar 16 can avoid the sense of restraint and discomfort caused by the contact with the human body. ;

The display screen 3, the lens group 4, the eye tracker 6, the head tracking device 7, the central processing module 9 and the image storage module 8 are all located in the accommodating part 21;

Lens group 4 comprises the first lens 41 and the second lens 42 corresponding to human eye position respectively and a lens holder 43, and display screen 3 is positioned at the front of lens group 4; In the present embodiment, first lens 41 and second lens The field of view of 42 is 120° and both are aspherical. In addition to expanding the field of view, it can also reduce image distortion and reduce the overall weight, and the first lens 41 and the second lens 424 are not higher than 800° with the lens. Spectacle lenses are used together to expand the applicable crowd of the present invention.

The lens adjusting device 5 is positioned at the outside of the outer cover 2, and it comprises the interpupillary distance adjustment button 51, the diopter adjustment button 52 and the focal length adjustment button 53, and "outside" here refers to the interpupillary distance adjustment button 51, the diopter adjustment button 52 and the focal length adjustment button 53. The adjustment button 53 is exposed on the surface of the outer cover 2, while other parts are covered inside the outer cover 2. In addition, the arrangement of the interpupillary distance adjustment button 51, the diopter adjustment button 52 and the focus adjustment button 53 can be determined according to actual use needs. In other embodiments, the lens adjustment device 5 may also include adjustment buttons with other functions to meet the needs of different users, and the present invention is not limited to the above-mentioned several buttons. Through the above-mentioned various buttons, it can be worn by the user with naked eyes or wearing glasses, which is convenient for the user to control freely.

Central processing module 9 is connected with display screen 3, eyeball tracker 6, head tracking device 7, wireless communication interface 10 and image storage module 8; , the image storage module 8, and the central processing module 9 can be composed of one or more chips respectively and are all arranged on a circuit board P in front of the display screen 3, as shown in FIG. 2 .

The eyeball tracker 6 tracks the focus point of the eyeball on the display screen 3 according to the characteristics of the eyeball and the periphery of the eyeball, and the central processing module 9 adjusts the image definition at the focus point of the eyeball and around the focus point in the display screen 3 according to the focus point of the eyeball, and then Enhance the sense of immersion and presence, and effectively prevent the occurrence of eye fatigue symptoms. Here, the eye tracker 6 can use an infrared device to realize its function, so that the user's glasses can be arbitrarily focused on any part of the display screen 3, to reduce discomfort during use, and the central processing module 9 can use image enhancement technology To achieve the above functions, specifically, the image enhancement technology can be divided into frequency domain method and space domain method. The noise in the image can be removed by means of pass filtering (that is, only low-frequency signals are allowed to pass), and high-frequency signals such as edges can be enhanced by high-pass filtering to make blurred pictures clear; a representative algorithm in the spatial domain method There are local averaging method and median filtering (take the middle pixel value in the local neighborhood) method, etc., both of which can be used to remove or weaken noise. In addition, by using histogram equalization, contrast enhancement method, smooth noise, Techniques such as sharpening can further improve the visual effect.

The central processing module 9 controls the image displayed in the display screen 3 according to the head movement detected by the head tracking device 7 to follow the rotation of the head; the head tracking device 7 may include a gyroscope, an accelerometer and a magnetometer ( not shown), to detect head movement in real time, the image displayed in the display screen 3 rotates with the rotation of the head, so the picture seen by the user is very natural, and will not feel any asynchronous discomfort.

Multiple images for training are stored in the image storage module 8;

The wireless communication interface 10 is connected with a control terminal 11 in a wireless manner, the wireless communication interface 10 can be a Bluetooth interface and a WIFI interface, and the control terminal 11 can be a smart phone, a computer or a PAD. The control terminal 11 is equipped with a control software, the control software has a variety of treatment modes built in, the central processing module 9 selects the corresponding image from the image storage module 8 according to each treatment mode and controls its display on the display screen 3 at a preset time interval T1. The distance changes and the definition changes on the display screen 3 are controlled at a preset time interval T2. The specific duration of T1 and T2 is determined according to actual needs. Each treatment mode is aimed at users with different needs for visual improvement or entertainment. To meet the diverse needs of users. In addition, the treatment mode and stored images in the image storage module 8 can also be updated through the wireless communication interface 10, so as to realize more functions and fun, and improve the entertainment function of the present invention.

In addition, the function of adjusting the pupil distance, diopter and focal length can also be realized by the control software in the control terminal 11, so as to reduce manual operations and improve the automation degree of the present invention.

The external vision-improving head-mounted VR device also includes a timing activation module 12. The timing activation module 12 activates a preset treatment mode at intervals of a preset time, so that children can maintain their eyesight at regular intervals to prevent myopia. symptom. The timing start module 12 can also be integrated in the VR game device, and by starting the "eyesight maintenance mode" regularly, it is possible to prevent children from losing their eyesight due to long-term gaming.

The external vision-improving head-mounted VR device also includes a voice communication module 13, the voice communication module 13 is connected to the wireless communication interface 10, so as to facilitate voice communication between the user and the remote doctor, and facilitate the doctor to detect the user's condition , more conducive to the user's vision recovery.

The external vision-improving head-mounted VR device also includes a wireless earphone 14, which is connected to a music library 15 through the wireless communication interface 10 to play music selected by the user to achieve a fully immersive visual and auditory experience.

The external vision-improving head-mounted VR device provided by the present invention adopts virtual reality technology and integrates various technologies such as computer graphics technology, computer simulation technology, sensor technology, etc., and utilizes virtual reality technology to create a real scene in the multi-dimensional information space, so that Users have an immersive sense of immersion and are able to interact perfectly with the environment. When the present invention is in use, by zooming the scene, the virtual picture can be slowly moved from the eyes to a certain distance (for example, 5 meters) to infinity, and then slowly moved to the eyes to repeatedly train the ciliary Rectus muscle and medial rectus can make the user's eyes alternate between adjustment and relaxation, which can effectively improve the adjustment lag and insufficient adjustment function, and then significantly improve the adjustment sensitivity of the eye, thereby increasing the adjustment speed, increasing the adjustment range, and improving visual clarity. Effectively prevent the occurrence and development of myopia, visual function decline and visual fatigue and other symptoms. The present invention not only realizes automatic control, but also can provide multiple treatment modes to make the use process full of fun, and has the characteristics of small size, high precision, comfortable wearing, and high automation.

Those skilled in the art can understand that the accompanying drawing is only a schematic diagram of an embodiment, and the modules or processes in the accompanying drawing are not necessarily necessary for implementing the present invention.

Those of ordinary skill in the art can understand that: the modules in the device in the embodiment may be distributed in the device in the embodiment according to the description in the embodiment, or may be changed and located in one or more devices different from the embodiment. The modules in the above embodiments can be combined into one module, and can also be further split into multiple sub-modules.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. a kind of circumscribed, which improves eyesight, wears VR devices, it is characterised in that including：Fixing device, outer cup, display screen, Lens group, lens adjusting device, eyeball tracking device, head-tracking device, image storage module, central processing module and channel radio Communication interface, wherein：

The fixing device is connected with the outer cup, and circumscribed improvement eyesight is worn into VR devices is fixed on before eyes Side；

The outer cup is located at device forefront and with a holding part；

The display screen, the lens group, the eyeball tracking device, the head-tracking device, the central processing module The holding part is respectively positioned on described image memory module；

The lens group includes the first lens and the second lens and a lens mount corresponding with position of human eye respectively, described aobvious Display screen curtain is located in front of the lens group；

The lens adjusting device be located at the outer cup outside, it include interpupillary distance regulation button, diopter adjust button and Focus adjustment button；

The central processing module and the display screen, the eyeball tracking device, the head-tracking device, the channel radio Communication interface and the connection of described image memory module；

Focus point of the eyeball tracking device according to eyeball and the signature tracking eyeball on eyeball periphery on the display screen, institute Central processing module is stated according to the figure in the focus point of the eyeball regulation display screen at ocular focusing point and around focus point Image sharpness；

The head movement that the central processing module is detected according to the head-tracking device controls to show in the display screen The image shown follows the rotation on head and rotated；

Being stored with described image memory module, multiple are used for the image that is trained；

The wireless communication interface is wirelessly connected with a control terminal, and it is soft that the control terminal is provided with a control Part, multimodality treatment built in the control software, the central processing module is deposited according to every kind of Therapeutic mode from described image Corresponding image is chosen in storage module and control it in the far and near change on the display screen with prefixed time interval T1 and It is controlled in the definition change on the display screen with prefixed time interval T2.

2. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that the fixing device includes Two nose supports for pasting band and a soft materials that are flexible and can mutually binding.

3. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that first lens and institute The field range for stating the second lens is 120 ° and is aspherical.

4. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that first lens and institute The ophthalmic lens that the second lens are not higher than 800 ° with the eyeglass number of degrees are stated to use cooperatively.

5. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that the head-tracking device Including gyroscope, accelerometer and magnetometer.

6. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that the wireless communication interface For blue tooth interface and WIFI interface.

7. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that also including a start by set date Module, the start by set date module starts a predetermined treatment pattern every a preset time.

8. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that also including a voice call Module, the voice call module is connected with the wireless communication interface, in order to carry out language between user and remote doctor Sound call exchange.

9. circumscribed according to claim 1, which improves eyesight, wears VR devices, it is characterised in that the control terminal is intelligence The mechanical, electrical brain of expert or PAD.

10. circumscribed according to claims 1 to 9, which improves eyesight, wears VR devices, it is characterised in that also wireless including one Earphone, the wireless headset is connected by the wireless communication interface with a bent storehouse.