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Multiple Choice
The progressive degeneration of the retina that affects night and peripheral vision is known as:
A
Glaucoma
B
Macular degeneration
C
Cataract
D
Retinitis pigmentosa
Verified step by step guidance
1
Step 1: Begin by understanding the key terms in the question. Retinitis pigmentosa is a genetic disorder that leads to the progressive degeneration of the retina, specifically affecting night vision and peripheral vision. Familiarize yourself with its symptoms and causes.
Step 2: Compare Retinitis pigmentosa with the other options provided. Glaucoma is associated with increased intraocular pressure and damage to the optic nerve, not the retina. Macular degeneration primarily affects central vision, not peripheral or night vision. Cataracts involve clouding of the lens, which impacts overall vision clarity.
Step 3: Focus on the specific symptoms mentioned in the question: night vision and peripheral vision loss. These are hallmark signs of Retinitis pigmentosa, distinguishing it from the other conditions listed.
Step 4: Recall that Retinitis pigmentosa is a hereditary condition caused by mutations in genes responsible for photoreceptor function. This helps confirm its association with retinal degeneration.
Step 5: Conclude that the correct answer is Retinitis pigmentosa based on the alignment of symptoms described in the question with the characteristics of this condition.