Across
- 1. receives an image and produces electrical signals
- 4. light travels through it
- 5. when the cornea or lens has an irregular shape
- 7. an opening in the iris
- 8. infection of an oil gland in the eyelid
- 9. highly contagious infection of the tissues on the outside of the eye
- 10. focuses light to form an image
Down
- 2. the colored part of your eye
- 3. units used to measure the loudness of sound
- 6. sends electrical signals to the brain