Lecture 6 - Posterior Seg Disease

Question 1

What is the most common intraocular malignancy of childhood?

Answer 1

Retinoblastoma

Question 2

When a RD occurs, what is the most common cause of it?

Answer 2

Trauma

Question 3

What does Retinopathy of Prematurity (ROP) do?

Answer 3

Growth of abnormal blood vessels in the retina of some premature infants

Question 4

What is the most common deficiency in ROP?

Answer 4

Vitamin E

Question 5

What are the stages for ICROP?

Answer 5

–Stage 1: line of demarcation
Distinct border between vascularized and avascular retina
–Stage 2: ridge of elevated tissue
–Stage 3: neovascularization with extraretinal fibrovascularization
–Stage 4: retinal detachment
•4a: macular not involved
•4b: macular detached
–Stage 5: total retinal detachment

Question 6

At what stage will you notice vision close to 20/200

Answer 6

Stage 4

Question 7

For Leber’s Congenital Amaurosis, what is an essential test to do for diagnosis?

Answer 7

ERG

Question 8

What are the signs for Foveal Hypoplasia?

Answer 8

Reduced vision, nystagmus and poorly developed macula and fovea

Question 9

Stargardt’s disease is found centerally or peripherally.

Answer 9

Centerally

Question 10

Neurofibromatosis can be diagnosed with? List them all

Answer 10

Diagnosis of NF 1
–Most have 2 or more of…
1.Café au lait spots
2.Plexiform neurofibroma
3.Inguinal/axial freckling
4.Optic nerve glioma
5.Lisch nodules
6.Family history

Question 11

What race has the most common sickle cell syndrome?

Answer 11

African American

Question 12

What are the two hallmarks for ocular signs of the ONH?

Answer 12

1. Small Optic Disc

2. Peripapillary Halo surrounding the ONH (double ring sign)

Question 13

ONH maybe a component of the syndrome of ________ ___________?

Answer 13

Septo-optic dysplasia