lecture 13 gonio normal and abnormal findings 2

Question 1

How can you tell if an angle is recessed?

Answer 1

If the CB band is thicker than the TM

Question 2

Which one is NOT ok to do on a pt with a hyphema

A) tonometry
B) gonioscopy
C) dilation

Answer 2

B) gonioscopy. wait 2 weeks so you do not cause a rebleed.

Question 3

what is the word that defines: circulating red blood cells in anterior chamber seen during sit lamp?

Answer 3

microhyphema

Question 4

What grade is an 8-ball (100% blood filled) hyphema?

Answer 4

grade 4.

grade1=50%
grade4=100%

Question 5

Pigment deposited on the posterior equatorial lens surface is called what?

Answer 5

Scheie’s line

Question 6

what are the 3 things involved in the pigment dispersion triad?

Answer 6

TID’s, krukenberg spindle, and sampaolesi’s line.

Question 7

(T or F) Pigment dispersion syndrome causes primary glaucoma

Answer 7

false, it causes secondary glaucoma

Question 8

(T or F) pseudoexfolliation syndrome is a systemic condition that involves abnormal protein sysnthesis of elastic tissue and is most devastating in the eye

Answer 8

true (its like white flaky dandruff material that deposits on the anterior lens capsule, iris, pupillary margin, zonules, AC angle)

Question 9

what are the 2 most common predisposing conditions of neovascularization of the angle?

Answer 9

diabetic retinopathy and central retinal vein occlusion (CRVO)

Question 10

A hypoxic retina releases angiogenesis factors, ____ which are released into the _____ _____ an onward to the anterior chamber thru the pupil.

Answer 10

VEGF, convection current