Review for Eyeball Flashcard

Front

What is the white portion of the eye called?

Back

Sclera

Front

What does the retina convert to electrical signals?

Back

Light

Front

What best describes the lens of the eye?

Back

Clear structure that bends light to focus on the retina.

Front

What is the function of the optic nerve?

Back

Transmits visual information from the retina to the brain.

Front

Which part of the eye is affected by cataracts?

Back

Lens

Front

What is the role of the cornea?

Back

To refract light and help focus it on the retina.

Front

What is the function of the pupil?

Back

To regulate the amount of light entering the eye.

Front

What is the macula?

Back

A small area on the retina responsible for sharp central vision.

Front

What is the vitreous humor?

Back

A clear gel that fills the space between the lens and the retina.

Front

What is the function of the iris?

Back

To control the size of the pupil and the amount of light entering the eye.