Question

how optical and non optical aids help visually challenged person to develop their skills to higher level

Answer 1

Special optical devices called low vision aids often can enable people to use their  remaining  vision more effectively and do things they thought  were no longer  possible . These  devices include  customised  magnifiers for reading , computerised  text to speech  devices .

Answer 2

optical aids can help a partially visually impaired person optical aid can enchance the image or text so that the person can see them with some clarity non optical aids rely on other sense organ like skin or ears tactual aids;llike Braille rely on the sense of touch auditory aids like audio cassettes rely on sense of hearing these aids can help a visually impaired person to learn how to readand how to communicate effectively