Across
- 1. The clear, dome-shaped section of the eye
- 4. The tough, white section of the eye
- 5. Type of cells responsible for night vision and detecting grey shades
- 6. Equipment used to measure eye pressure
- 8. The duct that carries tears from the eye to the nose
- 11. A major blood vessel in the eye
- 13. Reflective layer underneath the retina that enhances night vision
- 14. The nerve that carries electrical impulses to the brain
Down
- 1. Type of cells responsible for day vision and detecting colour
- 2. A dye used to detect any abnormalities on the surface of the eye
- 3. The coloured section of the eye
- 7. Medical term for repeated eyelid spasms
- 9. Test to measure the quantity of tears produced
- 10. Glands along the eyelid margin that produce the oily portion of the tear film
- 12. Organ that converts electrical impulses into images
- 15. Mucous membrane that lines the eyeball and eyelids
