Eye Anatomy

123456789
Across
  1. 3. nerve that connects eyes to brain
  2. 5. white part of the eye
  3. 8. layer of photosensitive cells
  4. 9. colorful opening in eye that changes size
Down
  1. 1. black hole in eye that lets light in
  2. 2. neuron that detects colors
  3. 4. neuron that detects light
  4. 6. clear outer covering of eye
  5. 7. clear part of eye that focuses light