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Low vision devices in india.
Low vision services are aimed at people who have residual vision that can be used and enhanced by specific aids.
When ordinary eye glasses contact lenses or intraocular lens implants cannot provide sharp sight an individual is said to have low vision.
What is low vision.
Out of which 37 million are blind and rest 124 million are people with low vision.
It then notifies the user of these obstacles through vibrations allowing the user to safely navigate around any objects that they may encounter.
Currently india has around 12 million blind people which makes india home to one third of the world s blind population.
Low vision aids are devices designed to help people with poor vision read and see.
Examples include standing and hand held magnifiers strong magnifying reading glasses loupes and small telescopes.
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Magnitude of low vision optics of low vision devices the functional assessment the examination and evaluation optical devices nonoptical devices other assistive devices selecting the devices for partially sighted types of visual field defects their effects and intervention visual aids and how to use them.
Although reduced central or reading vision is common low vision may also result from decreased side peripheral vision a reduction or loss of clarity of vision or the eye s inability to properly adjust.
The device uses ultrasound to detect obstacles that may lie directly in one s path.
These devices provide greatly increased magnification capabilities along with higher quality optics i e.
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A low vision resource centre is operating from hong kong special administrative region china to distribute high quality affordable low vision devices and equipment to all regions.
The buzz clip is a small wearable device for people living with blindness or low vision.
A low vision devices are available in india at various places including sankara nethralaya chennai.
5 ninety percent of the people with visual impairment are living in the developing countries.