Peripheral retina disorders

Question 1

peripheral retina

by convention is from equator to ora serrata. For clinical purposes most people seem to use the borders of the vessel aracads at the posterior pole, with the midperipheral retina between aracdes and the equator. What is thinner in the peripheral retina?

Answer 1

The peripheral reitina itself is thinner because the cones are sparse.

the Internal limiting membrane is much thinner in ther peripheral retina.

the retinal vasuclar thins out and its difficult to tell venules and arterioles apart.

Question 2

Central vs peripheral

retinal thickness

Answer 2

The bipolar cell layer is thinner in the peripheral retinal.

The thin ILM layer in the periphery allows for the viterous fibers to bury deep in the layers allowing for that strong adhesion.

Question 3

The further anterior you go in side the eye, the retina becomes___, but the retina is thicker on the ____ because_____.

Answer 3

the retina becomes thinner.

The retina is thicker on the nasal side because the measures are taken closer to the nerve.

Question 4

Clinically we are concerned about the thickness around the _______.

Answer 4

Macula

Question 5

anterior to the retinal ora serrata is the pars plana and pars plicata. Pars plana is a important site for retinal specialists because____.

Answer 5

the paras plana is the site where specialists enter the eye for injections and retinal surgery. This site is good because the pars plana is avascular.

Injection Site Info.

• Patients who are pseudoohakicthe injection site is marked at 3-3.5mm behind the limbus on the conjuc
• Patients who are phakic, the injection site is moved back a bit more for safety.

Question 6

Ora Serrata is a little over 6 mmm from

Answer 6

the ora serrata is a little over 6mm from schwalbes line.