Hereditary Retinal Dystrophies Practice Questions

Question 1

In diabetic retinopathy, which layer of the retina is primarily affected?

Accepted Answer

Inner nuclear layer

Answer

Layer of rods and cones

Answer

Retinal pigment epithelium

Answer

Outer plexiform layer

Question 2

Retinitis pigmentosa is characterized by ?

Accepted Answer

Loss of peripheral vision

Answer

Loss of central vision

Answer

Visual field constriction

Answer

Tubular vision

Question 3

Which of the following is not a true statement regarding the classic findings in retinitis pigmentosa?

Accepted Answer

Disc edema is part of the classic triad of RP findings

Answer

Argus 2 retinal implant is used as a treatment modality

Answer

Electrophysiological changes appear early in the disease before the objective signs

Answer

The classic triad includes peripheral pigmentation, attenuated vessels, and optic atrophy. Disc edema is not part of the triad.

Question 4

A patient presents with superior quadrant vision loss since one week. Patient has Rheumatic Heart Disease (RHD) and is not taking medications. What is the most likely diagnosis?

Accepted Answer

BRAO

Answer

CRAO

Answer

CRVO

Answer

BRVO

Question 5

Which one of the following is an autosomal dominant disorder?

Accepted Answer

Hereditary spherocytosis

Answer

Cystic fibrosis

Answer

Sickle cell anemia

Answer

G-6PD deficiency

Question 6

Which of the following vascular lesions has the least clinical significance?

Accepted Answer

Monckeberg's medial calcification

Answer

Glomus tumor

Answer

Hyaline arteriolosclerosis

Answer

Hyperplastic arteriolosclerosis

Question 7

Arden index is related to

Accepted Answer

EOG (Electrooculogram)

Answer

ERG (Electroretinogram)

Answer

VER (Visual Evoked response)

Answer

Perimetry

Question 8

What is the best diagnostic test for Best vitelliform macular dystrophy?

Accepted Answer

EOG

Answer

Dark adaptation

Answer

ERG

Answer

Gonioscopy

Question 9

All are manifestation of dengue virus infection in eye except?

Accepted Answer

Cataract

Answer

Vitreous hemorrhage

Answer

Maculopathy

Answer

Optic neuritis

Question 10

A-wave in Electroretinogram corresponds to the activity of

Accepted Answer

Rods and cones

Answer

Pigment epithelium

Answer

Nerve fibre layer

Answer

Ganglion cell layer

Hereditary Retinal Dystrophies — MCQs

Hereditary Retinal Dystrophies — MCQs

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