Eye anatomy

Front

What are photoreceptors that detect grey tones in low light called?

Back

Rods

Front

Which part of the eye protects the iris, pupil, and lens?

Back

Cornea

Front

What opens and closes to adjust the amount of light entering the eye?

Back

Iris

Front

What is the innermost and most delicate layer of the eyeball where photoreceptors are located?

Back

Retina

Front

What are the main two parts of the central nervous system?

Back

Brain and Spinal Cord

Front

What is the function of the cornea?

Back

To protect the eye and help focus light.

Front

What is the role of the iris in the eye?

Back

To control the size of the pupil and regulate light entry.

Front

What are cones responsible for in the eye?

Back

Detecting color and fine detail.

Front

What is the sclera?

Back

The white outer layer of the eyeball that provides structure and protection.

Front

What is the function of the retina?

Back

To convert light into neural signals for the brain.