The interference of visual field defect on free activity and affect the quality of life of patients with pigmentation;
The prevalence of the disease in an aging society is increasing.
Patients with progressive diseases may need visual assistance;
However, there is no such equipment yet.
We used the retina projection glasses system QD Laser glasses, which include projectors inside the glasses frame, drawing images taken with a connected portable camera with a wide-angle lens.
The image is projected onto the retina using the Maxwellian view optical system, which is not affected by refraction errors or the amount of incident light.
Goldmann's field-of-view measurement and graphic identification tests with QD Laser glasses show that the field-of-view area and angle increase and shorten the time to identify the number of graphics in the paper, in the limited field of view model we developed using pin
The hole system used to simulate the vision of the retinal pigmentation tunnel in 19 healthy adults.
The device supports visual quality.
In addition, the field of view defect model used in healthy adults helps to verify the device during the development phase of the study to clarify the advantages and future goals of improving the device.
Despite recent advances in medical science, the field of vision defects caused by neurodegeneration remains an outstanding issue.
These defects will affect the quality of life of individuals (QOL)
Act freely by interfering.
Pigmentation of the retina is the main cause of visual function damage;
The prevalence of this disease is about one of the-5000 people and is a common genetic disease.
In Japan, retinal pigmentation is the third cause of blindness, while glaucoma is the first, and diabetic retinal disease is the second, age-
Related amd (AMD)
The fourth reason.
Patients with these diseases have difficulty walking, driving and reading.
These conditions put a burden on society because the number of such patients in an aging society has increased.
So far, there is no treatment that can restore visual function, so providing a support system that can improve visual ability, including improving visual field, will help, to improve the quality of life of these patients.
This visual aid has been studied several times before;
However, these devices have not yet been introduced into daily use.
A randomized study investigated the use of Prism glasses that project images onto the retina outside of a degraded lesion, but did not find significant results.
Other studies used glasses made of glasses.
The camera that brightens the obtained image through the display, or the head-
Depth cameras and displays are installed to illuminate and display information about the distance of the obstacle from the wearer.
However, many of these devices are not widely used.
Here we use a retina projection glasses system that contains a small projector inside the glasses frame to draw images taken by a connected portable camera.
More specifically, using a QD laser scanning system developed by QD laser, Inc. , images are projected onto the retina(Kawasaki, Japan).
Unlike typical displays where emmetropic eyes produce an optical system, the biggest advantage of QD Laser glasses is that it uses the Maxwellian view optical system.
In this system, the real image of the light source is focused on the pupil of the eye, and the Image reaches the retina without defocusing, regardless of the axial length or refractive index of the eye part;
Therefore, it is not necessary to correct the refraction error.
In addition, the size of the pupil does not affect the amount of light entering the eye.
Maxwellian view optics are generally used to provide stimulation for eye examinations. g.
, Analysis of the optical density of the lens, retina pigment, color appearance, visual cone function, light stress-
Recovery related to color artificial crystals, light adaptation, and photo-phobia localization.
In addition, the resolution of the QD Laser glasses projector is as high as 1000 pixels × 600 600, and the resolution of the camera is 2 million pixels.
The projector is equipped with a microcomputer system through which the retina is scanned by laser without diffusion;
Therefore, it can reflect the color clearly.
Glasses are classified as Class I laser products and are considered safe under reasonably foreseeable operating conditions, including the use of optical instruments for internal observation, based on international standards for laser safety (IEC 60825-1)
Established in 2014.
Low in the laser
Laser oscillation in red, green and blue;
The blue light wavelength is 1/40, and the red and green wavelengths are 1/400 of the maximum power allowed by the Japanese Industrial Standards and the International Electrical Commission.
In this study, we used pin-
The hole system of healthy adults may imitate
The phase of retinal pigment degeneration, and detailed analysis of the use of quantum dot laser glasses portable large
Angle lens on camera.
The results of this study may help to develop a new device for individuals with vision defects, such as patients with retinal pigmentation.
We also discuss the value of our newly developed vision defect model for optimizing new equipment.