Vitreous

Question 1

What are the 5 attachments of the vitreous, from strongest to weakest?

Answer 1

Vitreous base
Posterior lens
Optic disc
Macula
Retinal vessels

Question 2

The vitreous makes up what percentage of the volume of the eye?

Answer 2

80%

Question 3

Where is Cloquet’s canal found?

Answer 3

Center of vitreous

Question 4

Why does Cloquet’s canal exist?

Answer 4

Is the site of the hyaloid artery from embryonic development

Question 5

What are the 4 major functions of the vitreous?

Answer 5

Physical support, holding retina and blood vessels in place
Shock absorber
Storage area for metabolites for the retina
Refracts light

Question 6

What is the composition of the vitreous?

Answer 6

9.5-99.7% water

Dilute solution of salts, soluble proteins, and hyaluronic acid inside a meshwork of insoluble protein and collagen

Question 7

What is the patellar fossa?

Answer 7

The anterior depression in the vitreous where the lens sits

Question 8

What is the composition of the vitreal cortex?

Answer 8

Tightly packed collagen fibrils, some running parallel, and some perpendicular to the retinal surface

Question 9

Where does the hyaloid canal terminate?

Answer 9

Area of Martegiani