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25 questions
What part of the human eye opens and closes to adjust the total amount of light entering the eye.
Human lens
Cornea
Scelera
Iris
What light sensitive cells in the eye are stimulated in dim light?
cones
rods
Photoreceptors that detect colour are called..
Cones
Rods
This type of light sensitive (photosensitive) cell detects movement and black & white...
Sclera
Cornea
Cones
Rods
Which of the following is the correct order in which light travels through the eye?
Pupil, Optic Nerve,Cornea, Lens
Pupil, Lens, Retina, Optic Nerve
Optic Nerve,Cornea, Retina, Lens
Cornea, Iris, Pupil, Lens, Retina, Optic Nerve
What is the name of the part of the eye labelled 8?
Cornea
Lens
Retina
Optic nerve
What is the name of the part of the eye labelled 5?
Cornea
Lens
Retina
Optic nerve
Which number points to the cornea?
2
4
6
11
Which part of the eye controls the the amount of light entering the eye?
Iris
Lens
Retina
Aqueous humor
Which muscles affect the thickness of the lens?
Ciliary
Iris
Lens
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