Objective 3

Question 1

Extending from the back of the lens to the optic nerve, how much of the vitreous chamber occupies the globe?

Answer 1

80%

Question 2

What is the ring shapped structure located behind the iris?

Answer 2

Posterior chamber

Question 3

Which structures compose the filtration apparatus of the eye?

Answer 3

Trabecular meshwork

Canal of Schlemm

Question 4

What would be considered normal value of intraocular pressure measured in mm of mercury?

Answer 4

Between 10 and 21 mmHg (of mercury)

Question 5

What part of the eye attaches to the front of the vitreous humour?

Answer 5

Posterior surface of the lens

Question 6

What provides oxygen and glucose to the cornea and the crystalline lens?

Answer 6

Aqueous humor

Question 7

What happens as a result of aqueous not being able to pass properly through the trabecular meshwork?

Answer 7

A rise in intraocular pressure

Question 8

What two parts of the eye form the anterior chamber angle?

Answer 8

Corneal scleral tissue and uveal tract

Question 9

State the correct order for the flow of aqueous humour. Where it begins, then flows through the pupil into the anterior chamber, through what structure into which structure and finally through the veins and out of the eye.

Answer 9

1. Posterior chamber
2. Trabecular meshwork
3. Canal of Schlemm

Question 10

Which is the largest of the three chambers within the eye?

Answer 10

Vitreous chamber