CBSE Class 8 Science Visual Impairment
- what is myopia?
- The phenomenon which enables us to see movies in cinema hall
- Select the optical aids among the following: Telescopic aids, Bifocal lenses, Tactual aids, Auditory aids, Contact lenses, Tinted lenses.
- Which is the most popular resource for visually challenged persons? Who developed it?
- Name some sources of Vitamin A.
- What are the characteristics of Braille system?
- Diagrammatically represent an example of the dot patterns used in Braille system.
- How the Braille systems help the visually challenged persons?
- How the visually challenged persons identify things?
- What are the causes of blindness?