Lab Ex 9 Eye Final Practical Quest Review

Front

What part of the eye contracts and dilates based on the light in the environment?

Back

Pupil

Front

What is the white portion of the eye called in humans?

Back

Sclera

Front

What part of the eye in animals reflects back light and allows them to see at night?

Back

Tapetum Lucidem

Front

What happens to your pupils when looking at something in the distance or in dim light?

Back

They dilate.

Front

What are the layers of skin and tissue that open and close to protect the eyeball called?

Back

Palpebrae (eyelids)

Front

What is the function of the cornea in the eye?

Back

The cornea helps to focus light onto the retina.

Front

What is the role of the iris in the eye?

Back

The iris controls the size of the pupil and thus the amount of light that enters the eye.

Front

What is the function of the retina?

Back

The retina converts light into neural signals and sends them to the brain.

Front

What is the vitreous humor?

Back

The vitreous humor is a gel-like substance that fills the space between the lens and the retina.

Front

What is the blind spot in the eye?

Back

The blind spot is the area on the retina where the optic nerve exits, and there are no photoreceptors.