The size of the pupils can indicate mental exhaustion.
(T or F)
True
The iris sits just behind the cornea.
(T or F)
True
1 in _ people have astigmatism.
3
Pupils dilate in bright light.
(T or F)
False. Pupils shrink to a smaller size in bright light.
Dilated pupils are a sign that someone has been doing ______.
Drugs
The pupils are the dark circles located in the _______ of the eye.
Middle
The iris is made of ________________.
Connective tissue
Sitting too close to the TV ______ cause astigmatism.
Doesn't
Your pupils ________ when you look at someone you like.
Dilate
The only organ more complex than the eye is the _______.
Brain
The pupils allow ______ into the eyes.
The eye has many layers. The iris is ____ layer(s) from the outside.
One
Astigmatism is a type of ____________.
Refractive error
Normal pupil size ranges from _ to _ mm while constricted.
2.0 to 4.0 mm
Anisocoria is a ___________.
A difference in pupil sizes
The pupil is black because it absorbs _______.
All colors
Human irises have over ____ unique characteristics.
256
Astigmatism is a _______________.
Progressive disease
Medications such as _________ can cause pupil dilation.
Atropine
Congenital aniridia is the partial/complete absence of the ____.
Iris
Pupils can _________ in size with age.
Decrease
The iris is filled with a liquid called _____________.
Aqueous humor
Astigmatism is caused by a misshapen _______.
Cornea
The ______________ controls pupil size.
Iris dilator muscle
Colorblind