Part 1 - True or False

1) Bats are blind

2) Bulls are colour blind

3) We all have microscopic creatures living on our eye lashes

4) Only a sixth of the eye is exposed to the outside world

5) Zebra’s can not see the colour Orange

6) A Scallop has 35 blue eyes

7) Dolphins sleep with one eye open

8) Horned Toads squirt blood from their eyes when angry

9) “Red Eye” in photographs taken with a flash is caused by light reflecting off the retina

10) For their size, eyes have the strongest muscles in the human body


Multiple Choice

11) What is the average length of a human eye ball (from the front to the back)?

a) 21 mm

b) 29 mm

c) 45 mm



12) What is the approximate weight of a human eye ball?

a) 14g

b) 28g

c) 42g


13) The human eye process up to ____ pieces of information each hour?

a) 360

b) 3,600

c) 36,000


14) Under the right conditions a human eye can see the light of a candle at ____ mile(s) away?

a) 1 mile

b) 7 miles

c) 14 miles



15) A person on average blinks ____ times every minute?

a) 6

b) 12

c) 18


16) A cornea has ____ blood vessels?

a) 0

b) 101

c) 1011


17) A scorpion has ___ eyes?

a) 2

b) 8

c) 12


18) An eagle can see a rabbit a mile away, how close does a person need to be to the same rabbit in order to see it.

a) 5.5 yards

b) 55 yards

c) 550 yards


19) The animal with the largest eye is the …..?

a) Blue whale

b) Bush baby

c) Giant squid


20) In the ostrich, which is bigger?

a) The eye

b) The brain

c) Neither, they are same size


Part 3 - Trivia


20) What do you call a deer with no eyes?

21) Why is Gordon Brown blind in one eye?

22) Which American singer-songwriter, born Stevland Hardaway Judkins, winner of 25 Grammy awards and with hits including “Isn’t she lovely”, has been blind in both eyes since birth?


23) What is the most common eye colour in the UK?


24) Which dinosaur had the biggest eyes?


25) What do you call a deer with no eyes and no legs?


ANSWERS

Part 1 - True or False


1) Bats are blind - False

2) Bulls are colour blind - True

3) We all have microscopic creatures living on our eye lashes - True

4) Only a sixth of the eye is exposed to the outside world - True

5) Zebra’s can not see the colour Orange - True

6) A Scallop has 35 blue eyes - True

7) Dolphins sleep with one eye open - True

8) Horned Toads squirt blood from their eyes when angry - True

9) “Red Eye” in photographs taken with a flash is caused by light reflecting off the retina - True

10) For their size, eyes have the strongest muscles in the human body - True


Multiple Choice


11) What is the average length of a human eye ball (from the front to the back)?

b) 29 mm


12) What is the approximate weight of a human eye ball?

b) 28g


13) The human eye process up to ____ pieces of information each hour?

c) 36,000


14) Under the right conditions a human eye can see the light of a candle at ____ mile(s) away?

c) 14 miles



15) A person on average blinks ____ times every minute?

b) 12


16) A cornea has ____ blood vessels?

a) 0


17) A scorpion has ___ eyes?

c) 12


18) An eagle can see a rabbit a mile away, how close does a person need to be to the same rabbit in order to see it.

c) 550 yards


19) The animal with the largest eye is the …..?

c) Giant squid


20) In the ostrich, which is bigger?

a) The eye


Part 3 - Trivia


20) What do you call a deer with no eyes? - No idea

21) Why is Gordon Brown blind in one eye? - A detached retina caused by a head injury from a rugby match

22) Which American singer-songwriter, born Stevland Hardaway Judkins, winner of 25 Grammy awards and with hits including “Isn’t she lovely”, has been blind in both eyes since birth? - Stevie Wonder


23) What is the most common eye colour in the UK? - Brown


24) Which dinosaur had the biggest eyes? - The Ophthalmosaurus


25) What do you call a deer with no eyes and no legs? - still no idea

Ophthalmosaurus