Scleral Depression

Question 1

Diplopia stems from

Answer 1

Improper alignment

• Tilting causes vertical
• Poor Pd causes horizontal

Question 2

Increasing the power of the lens

Answer 2

Decreases mag, increases FOV

Question 3

How to dilate pt

Answer 3

Proparacaine, then 2.5 phenyl, then 1% tropicamide 3-5 mins apart

peak at 20-30. Assess and maybe add more at 25-30 mins.

Question 4

Poor dilating patients

Answer 4

Dark iris, diabetes, HTN, mitotic drop therapy

Question 5

Scleral depression indications

Answer 5

Whenever you need to obtain a more peripheral view, manipulate a lesion with potential hidden features of traction, pt reports flashes/floaters

Question 6

Contraindicatiosn

Answer 6

Hyphema, following penetration or open globe trauma, sooner than 3-4 weeks after surgery

Question 7

large hand

Small hands

Answer 7

Large- humble depressors

Small- Double ended stylus

Question 8

CPT code

Answer 8

Initial is 92225 and subsequent is 92226. Unilateral code

Question 9

The depressor should be ___ mm behind the limbus

Answer 9

6-7 mm

Question 10

Pay attention to what part of condensing lens

Answer 10

Lower