Vitreoretinal

Question 1

What is the volume of the vitreous?

Answer 1

4.0mL

Question 2

How does the vitreous attach to the retina?

Answer 2

collagen fibrils connect the vitreous to the retinal internal limiting membrane

Question 3

Where is the optimal surgical incision distance from the corneal limbus for phakic and pseudophakic eyes in mm?

Answer 3

4mm phakic, 3.5mm pseudophakic posterior to the limbus

Question 4

What is the ora serrata?

Answer 4

junction of the ciliary body and the retina

Question 5

Which membrane separaes the vitreous body from the internal limiting membrane of the retina?

Answer 5

posterior hyaloid membrane

Question 6

Where is the vitreous base most strongly attached?

Answer 6

posterior hyaloid membrane straddles the ora serrata and is strongly attached

Question 7

At what sites is the vitreous attached to the retina?

Answer 7

vitreous base (strong), optic disc (fairly strong), perifoveal (fairly weak), peripheral blood vessels (weak)