For your Eyes only quiz

How lucky we are for seeing great things. Beautiful things can relax us. Do you know everything about your eyes? Find out with this quiz and learn some facts.

1

What kinds of eye damage does UV Radiation cause?

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- Pterygium
- Macular
- Cataract
- All of the above
2

Have you ever notice how many times your eyes blink?

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- 13 times per minute
- 14 times per minute
- 15 times per minute
- 12 times per minute
3

If you are color blind does it mean you only see in black and white?

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- Not all color-blind people see colors the same way
- Sometimes
- Yes
- People who are color blind just can't see things in as many colors as people who have normal vision.
4

If someone is nearsighted they can't see things near?

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- People who have nearsighted vision can see things that are far very well
- They see blurred when it is near
- They see blurred when it is far
- People who have nearsighted vision can see things that are near very well
5

The transparent dome which serves as the outer window of the eye is called?

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- Epithelium
- Pupil
- Iris
- Cornea
6

The ________ acts like the shutter of a camera.

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- eyelids
- cornea
- pupil
- iris
7

The clear gel that makes up about 80% of the eye’s volume.

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- optic nerve
- retina
- eyeball
- Vitreous humor
8

Nearsightedness is also called _________.

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- myopia
- hyperopia
- astigmatism
- pink eyed
9

This natural condition results in greater difficulty maintaining a clear focus at a near distance with an eye which sees clearly far away. Mostly by age 40 and up.

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- Presbyopia
- myopia
- hyperopia
- astigmatism
10

The _________ is a clear mucous membrane that lines the inner surfaces of the eyelids and continues on to cover the front surface of the eyeball.

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- Conjunctiva
- Crystalline lens
- Vitreous humor
- Retina
11

What is the primary (most powerful) focusing structure of the eye?

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- cornea
- pupil
- conjunctiva
- iris
12

The optic nerve is known also as what cranial nerve?

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- cranial nerve VI
- cranial nerve IV
- cranial nerve III
- cranial nerve II
13

What test can detect early stages of macular degeneration, a hereditary ocular disease?

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- Color vision test
- Optic nerve test
- Color blindness test
- Amsler grid test
14

Which type of photoreceptor is most sensitive to bright light and color?

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- cone
- rhodopsin
- crystalline lens
- iodopsin
15

Pink eye is an inflammation of which eye tissue?

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- optic disc
- retina
- cornea
- conjunctiva
16

What is the point of sharpest, most acute visual acuity within the eye?

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- fovea centralis
- optic disc
- macula
- conjunctiva
17

Which of these eye colors is produced by the most amount of pigment in the iris?

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- Hazel
- Green
- Blue
- Brown
18

Which eye structure determines a person’s eye color?

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- iris
- cornea
- pupil
- retina
19

A cataract is an opacification of which eye structure?

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- crystalline lens
- cornea
- iris
- pupil
20

What is a triangular patch of blood-vessel-engorged tissue on the conjunctiva which can encroach onto the cornea and adversely affect vision?

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- pterygium
- conjunctivitis
- monochromatism
- optic atrophy