lecture 13 gonio normal and abnormal findings 2 Flashcards Preview

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Flashcards in lecture 13 gonio normal and abnormal findings 2 Deck (10)
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1

How can you tell if an angle is recessed?

If the CB band is thicker than the TM

2

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

A) tonometry
B) gonioscopy
C) dilation

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

3

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

microhyphema

4

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

grade 4.

grade1=50%
grade4=100%

5

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

Scheie's line

6

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

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

7

(T or F) Pigment dispersion syndrome causes primary glaucoma

false, it causes secondary glaucoma

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

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

9

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

diabetic retinopathy and central retinal vein occlusion (CRVO)

10

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

VEGF, convection current