Across
- 2. we should wash our eyes with cold water
- 6. braille code was invented by
- 7. a group of which known as constellation
- 8. body which some of the light
- 10. we should always read in proper
Down
- 1. angle of incidence
- 3. all living being's are
- 4. it controls amount of light entering the eye
- 5. cornea is also known as
- 9. all non living being's are
