Pupils
Irises
Astigmatism
Light Adjustment
Bonus
100

The size of the pupils can indicate mental exhaustion.

(T or F)

True

100

The iris sits just behind the cornea.

(T or F)

True

100

1 in _ people have astigmatism.

3

100

Pupils dilate in bright light.

(T or F)

False. Pupils shrink to a smaller size in bright light.

100

Dilated pupils are a sign that someone has been doing ______.

Drugs

200

The pupils are the dark circles located in the _______ of the eye.

Middle

200

The iris is made of ________________.

Connective tissue

200

Sitting too close to the TV ______ cause astigmatism.

Doesn't

200

Your pupils ________ when you look at someone you like.

Dilate

200

The only organ more complex than the eye is the _______.

Brain

300

The pupils allow ______ into the eyes.

Light
300

The eye has many layers. The iris is ____ layer(s) from the outside.

One

300

Astigmatism is a type of ____________.

Refractive error

300

Normal pupil size ranges from _ to _ mm while constricted.

2.0 to 4.0 mm

300

Anisocoria is a ___________.

A difference in pupil sizes

400

The pupil is black because it absorbs _______.

All colors

400

Human irises have over ____ unique characteristics.

256

400

Astigmatism is a _______________.

Progressive disease

400

Medications such as _________ can cause pupil dilation.

Atropine

400

Congenital aniridia is the partial/complete absence of the ____.

Iris

500

Pupils can _________ in size with age.

Decrease

500

The iris is filled with a liquid called _____________.

Aqueous humor

500

Astigmatism is caused by a misshapen _______.

Cornea

500

The ______________ controls pupil size.

Iris dilator muscle

500
Babies are born _________.

Colorblind