Question

Explain about any 10 optical and non-optical aids

Answer 1

Answer:

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Non-optical aids help patient deals with everyday problems where sight is impared. A review of the many Non-optical devices is discussed including relative size devices writing and communication aids , posturing and positioning aids, illumination control and Non-optical sensory substitution devices.

Answer 2

Answer:

Non-optical astronomy is the study of the sky through forms of energy and particles that we cannot see with our unaided senses. These forms of energy include radio and submillimeter waves, infrared and ultraviolet light, X-rays, and gamma rays

Explanation:

Optical Aids are those aids using instruments for improving the vision. Example: spectacles, contact lenses, magnifying glass, etc