Retinitis pigmentosa Flashcards
(5 cards)
1
Q
What is retinitis pigmentosa?
A
An inherited disorder that causes progressive visual loss and night blindness due to degeneration of the rod cells
2
Q
What are the inheritance patterns of retinitis pigmentosa?
A
Autosomal dominant
Autosomal recessive
X-linked
3
Q
What is the presentation of retinitis pigmentosa?
A
Tunnel vision - damage to peripheral retina
Reduced visual acuity in dim light
Difficulty adapting to low light conditions
Loss of central vision comes later
4
Q
What is seen on fundoscopy in retinitis pigmentosa?
A
Peripheral bone-spicule pigmentation
Optic disc pallor
Retinal vessel attenuation
5
Q
What is the management of retinitis pigmentosa?
A
Visual aids
Vitamin A supplementation
Genetic counselling
