Night blindness

Night Blindness
Related Category: Pathology
inability to see normally in subdued light. It is usually a result of vitamin A deficiency.
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Night blindness is a classic finding from deficiency of vitamin A. It was described by the English physician William Heberden (1710-1801) who also discovered other medical disorders of importance including angina pectoris (chest pain that is often ...
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Night blindness is poor vision at night or in dim light.
Alternative Names:
Nyctanopia; Nyctalopia; Night blindness
Considerations: ...
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Night blindness: What are the causes?
Q.
My father has developed night blindness and has given up driving after dark. What causes night blindness? Is there anything that can be done to treat it?
Alissa/ Colorado
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Night blindness, a classic finding in vitamin A deficiency, was discovered by the English physician William Heberden (1710-1801).
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Night blindness (nyctalopia).
Disease of the cones or rods in the retina (chromatopsia).
Nystagmus (rhythmic jerking movements of the eyes).
Keratoconus (progressive thinning of the central cornea, giving the cornea a conelike appearance).
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night blindness
A reduced ability to see in dim light. May be caused by a vitamin-A deficiency or glaucoma.
nit ...
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NIGHT BLINDNESS
SYMPTOMS"You do not see as clearly in the dark as do others. When you go out into the dark, your eyes seem to adapt slowly to it.
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Often the first symptom is night blindness followed by a narrowing of side vision leading to 'tunnel' vision. In one type of RP the loss of vision begins in the central area (macular dystrophy) interfering with reading and detailed work.
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Nyctalopia (Vision - Night Blindness)
Nyctanopia (Vision - Night Blindness) ...
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