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19 questions
What part of the eye is the most anterior?
Lens
Cornea
Retina
Macula
The ____________________ is the part of the eye responsible for the sharpest vision.
retina
ciliary body
pupil
fovea centralis
The ____________________ is responsible for focusing light onto the retina.
iris
ciliary body
lens
canal of Schlemm
The retina receives nourishment from the _________________.
ciliary body
conjunctiva
cornea
choroid
"Pink eye" is an inflammation of the ____________.
Where is the lens?
D
E
F
G
Where is the retina?
A
B
C
D
The ___________________ is responsible for providing your eye with its color.
The photoreceptors are found in the ___________________.
The eye has ______tunics.
1
2
3
4
Which part (listed below) is considered to be the vascular tunic of your eye?
retina
choroid
sclera
connective tissue
Why do the lens & the cornea rely on the aqueous humor to provide them with needed nutrients?
The lens & the cornea are avascular.
The lens & the cornea are vascular, but need more nutrients than their blood vessels can supply.
The lens and the cornea do not rely on the aqueous humor for the delivery of nutrients.
The lens & the cornea are replaced so often they need extra nutrients.
From the cornea to the lens is the ______________ of the eye.
The _____________________ is replenished every 90 minutes! Who knew?
The _______________________ prevents the eyeball from collapsing and holds the choroid up against the retina .
The very first step of light rays being converted into nerve impulses occurs in the __________________.
macula
fovea
retina
choroid
The cornea and the lens both bend (refract) light onto the ___________________.
optic disc/k
retina
sclera
choroid
The rods and cones are the __________________________ of the eye.
True or False: The cornea, lens, and retina are avascular.
True
False
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