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Doctor insights on: Could My Night Blindness Be Due To A Malabsorption Of Vitamin A

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Could my night blindness be due to a malabsorption of vitamin a?

Could my night blindness be due to a malabsorption of vitamin a?

Night blindness: True night blindness or nyctalopia (from greek ????-, nykt- "night"; and ?????, alaos "blindness") is a condition making it difficult or impossible to see in relatively low light. It is a symptom of several eye diseases. Night blindness may exist from birth, or be caused by malnutrition (for example, a lack of vitamin a). Blood levels can be determined with normal range from 50 to 200 mcg/dcl. ...Read more

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Dr. Damien Luviano
50 doctors shared insights

Blindness (Definition)

Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more


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Effects of vitamin a deficiency & night blindness?

Effects of vitamin a deficiency & night blindness?

Rare: It take an extraordinary elimination diet to get vitamin a levels low enough to affect vision in the first world. The only known cases in such circumstances have been those on extreme diets such as all polished rice for over a year. There; are causes for night blindness. Which your ophthalmologist can diagnose, but vitamin a deficiency is unlikely. ...Read more

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How can I treat a vitamin a deficiency, night blindness, xerophthalmia, and follicular keratosis?

How can I treat a vitamin a deficiency, night blindness, xerophthalmia, and follicular keratosis?

Look for cause: If you're eating a varied diet and are not restricting yellow vegetables, it is surprising that you are vitamin A deficient. You may want to be evaluated for malabsorption. ...Read more

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Could you tell me about the discovery of night blindness?

Could you tell me about the discovery of night blindness?

Poor night vision: This is termed nyctalopia. It can occur in relationship to some inherited conditions of the retina like retinitis pigmentosa, but may be due to diffuse retinal disease such as diabetic retinopathy. If you find that night vision is diminishing by all means see your ophthalmologist as soon as possible for diagnosis and possible treatment. ...Read more

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My mom has night blindness or difficulty seeing due to cloudiiness. What can help?

My mom has night blindness or difficulty seeing due to cloudiiness. What can help?

Poor night vision: The impaired night vision may not be true night blindness and if it is cloudy vision at night this suggests the presence of cataracts and this is curable with cataract surgery. I would recommend seeing an ophthalmologist. ...Read more

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I have really dim vision at night. Could it be night blindness?

I have really dim vision at night. Could it be night blindness?

Night blindness: Decreased vision in dim illumination can be normal or it may be related to eye related disease. See an eye doctor to determine the cause and initiate proper treatment. ...Read more

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How do I tell if I have night blindness?

How do I tell if I have night blindness?

Can you see at night: If you are having difficulty seeing in low light like at night you should be evaluated by an eye doctor? ...Read more

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What is the medical term for night blindness?

What is the medical term for night blindness?

Nyctalopia: Or night blindness is a symptom of something else such as myopia or malnutrition it is treated based on the cause. It is the inability to see at night or in low light environment. ...Read more

Dr. Lourdes Margarita Landron-Garcia
422 doctors shared insights

Vitamin A (Definition)

Vitamin A helps form and maintain healthy teeth, skeletal and soft tissue, mucous membranes, and skin. It is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light. It may also be needed ...Read more


Dr. Tim Conrad
616 doctors shared insights

Vision Loss (Definition)

Vision loss is where a person becomes unable to see to the extent that they were previously able. This can include a total loss of vision, a loss of visual acuity, or a loss of part ...Read more