Pupils
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.
The pupils are the dark circles located in the _______ of the eye.
Middle
The iris is made of ________________.
Connective tissue
Astigmatism is caused by a misshapen _______.
Cornea
Your pupils ________ when you look at someone you like.
Dilate
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
The pupil is black because it absorbs _______.
All colors
Human irises have over ____ unique characteristics.
256
Astigmatism is a _______________.
Progressive disease
The ______________ controls pupil size.
Iris dilator muscle