Review Vision & Hearing

Front

This structure is the outer coating of the front of the eye ball.

Back

Cornea

Front

This structure is located behind the iris and bends light onto the retina.

Back

Lens

Front

This structure is the back of the eye and it sends images to the optic nerve.

Back

Retina

Front

This structure sends images to the brain so we see the image correctly.

Back

Optic Nerve

Front

This structure is the black, center part of the eye. Light enters the eye here.

Back

Pupil

Front

This structure is the colored part of the eye.

Back

Iris

Front

Cones help us see...

Back

color

Front

Rods help us see...

Back

black, white, and grey

Front

The weakest amount of a stimulus that a person can detect half of the time.

Back

Absolute threshold

Front

The smallest difference between two stimuli that can be detected 50% of the time is called

Back

difference threshold