Question

Name the non-optical aid that makes use of raised dots on a paper. Who Developed this resource for visually

challenged persons? Write a short note on it.​

Answer 1

Optical aids for low vision can range from reading glasses, magnifiers to small telescopes depending on the severity of visual impairment.

Such devices differ from the reading glasses or the magnifying glasses that we are familiar with. Low vision devices are never all purpose devices and are built with a very specific use in mind.

We should think of the low vision optical aids as specific where one device may be used for reading a mail, another for watching movies, and yet another for seeing menus at a restaurant.

Braille is a system that uses combinations of raised dots to spell letters and numbers. It’s used by people who are blind or partially sighted to help them read and write.Louis Braille developed this system

Answer 2

Hi

• Optical aids for low vision can range from reading glasses, magnifiers to small telescopes depending on the severity of visual impairment. Such devices differ from the reading glasses or the magnifying glasses that we are familiar with. Low vision devices are never all purpose devices and are built with a very specific use in mind. We should think of the low vision optical aids as specific where one device may be used for reading a mail, another for watching movies, and yet another for seeing menus at a restaurant. Braille is a system that uses combinations of raised dots to spell letters and numbers. It’s used by people who are blind or partially sighted to help them read and write.Louis Braille developed this system.