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Serious Quizzes - How well do you know your eyes?

Serious Quizzes - How well do you know your eyes?

Wednesday 09 March 2022

The eyes, as we are so often told, are the windows to the soul - but what are those windows made of? And how do they work? Some of these questions, and more, will be answered.

Let’s see (har-har) how much you know.

[Scroll to the bottom to find out the answers]

Practice Question:

What do you call a deer with no eyes?

a. I’m confused - I thought this was a quiz about ocular biology
b. No idea
c. This is a very silly way to start a quiz

Question 1:

What is the most common eye colour across the world?

a. Blue
b. Brown
c. Hazel

Question 2:

Cataracts affect our ability to see clearly. On which part of the eye do they form?

a. The lens
b. The retina
c. The optic nerve

Question 3:

What are the two main categories of photo-receptor cells?

a. Rods and Lavers
b. Ridges and Troughs
c. Rods and Cones

Question 4:

The lens is controlled by a muscle which allows it to change shape. What is this muscle called?

a. Gluteus lensimus
b. Optic anterior choroid
c. Ciliary muscle

Question 5:

What is the term for having eyes of different colours?

a. Dis-assorted ocular pigmentation disorder
b. Heterochromia
c. Bi-colour Vexilollogy

Question 6:

Which part of the eye is responsible for its colour?

a. Iris
b. Optic Disc
c. Pupil

Question 7:

Small yellow deposits which form under the retina due to Dry-AMD are called what?

a. Crow’s feet
b. Drusen
c. Aqueous cysts

Question 8:

What is the white of the eye called?

a. Optic surfature
b. Outer stereoptic layer
c. Sclera

Question 9:

Glaucoma is primarily caused by an increase in what?

a. Pressure
b. White blood cells
c. Chloroptic Stoma

Question 10

The optic nerve is connected to the back of the eye, via the retina. This means there is a small space from which light is blocked, and vision is obscured slightly. What is this area called?

a. Reagan’s fiscal policy
b. Wormhole
c. Blindspot

Check your answers below and tell us what your score was out of ten. See if you can beat our office average of 6.

Answer 1

b) Brown

Between 55% and 79% of the world’s population has brown eyes.

Answer 2

a) The lens

Answer 3

c) Rods and Cones

Cones help you to see colours, while rods help you to see lights and darks.

Answer 4

c) Ciliary muscle

Answer 5

b) Heterochromia

Less than 1% of people have heterochromia

Answer 6

a) Iris

The iris is the pigmented tissue which gives eyes their apparent colour. It is also involved in the opening and closing of the pupil.

Answer 7

b) Drusen

Answer 8

c) Sclera

Answer 9

a) Pressure

Answer 10

c) Blindspot

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