Question

The Terminology of Vision

Answer 1

Answer:

1. Light first enters the eye through the cornea.

2. The retina is the light absorbing layer of the eye that contains the rod and cone cells.

3. A cell in the retina that is responsible for black and white vision, as well as night vision is a rod.

4. A cone is a cell in the retina responsible for color vision.

5. rhodopsin is a protein found in rods; it is needed for night vision.

6. One type of preformed vitamin A, retinal, can be converted from retinol.

7. The name for the family of substances that are all types of preformed vitamin A is retinoids.

8. The process called bleaching occurs when light enters the eye and interacts with and changes rhodopsin, causing dissociation of vitamin A from rhodopsin.