Night Blindness

Night blindness, also known as Nyctalopia in greek, is a condition whereby it is difficult for one to see in the dark. It is a symptom of several eye diseases. Night blindness may exist since childbirth, or may be caused by injury or an insufficient intake of Vitamin A.

The most common cause of night blindness is retinitis pigmentosa, a disorder in which the rod cells in the retina gradually lose their ability to respond to the light. Patients suffering from this genetic condition have progressive nyctalopia and eventually cause a deficiency in their day-time vision as well.

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Other Deficiencies :

• Keratomalacia
• Beriberi
• Ariboflavinosis
• Pellagra
• Scurvy
• Rickets