What causes night blindness to happen?

Inherited Disease. Retinitis pigmentosa is a group of inherited disorders that cause degeneration of the retina and vision loss. The condition can be inherited in multiple ways and has a variety of symptoms. The most common ones are night blindness and gradual loss of peripheral vision. There is currently no proven treatment, however gene therapy is being explored as a possibility.
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.

Related Questions

I was wondering what are some causes and cures for night blindness?

Can be treatable. Nyctalopia can be caused by a number of things. A few are birth defects, vitamin a deficiency, medications, glaucoma, diabetes, cataracts, severe near sightedness, retinitis pigmentosa, and refractive surgery (eg. Lasik). There are other causes (some untreatable) but of the ones listed above the only untreatable causes are birth defects and retinitis pigmentosa. Treatable not same as curable. Read more...

Can implanon cause night blindness?

Unlikely. This is not a documented side effect of this medication. If you truly believe there is an association, you should advise your physician or provider who placed the Implanon so that you can be examined and any possible reaction you have had can be documented. Read more...

Any ideas why myopia causes night blindness?

It doesn't. Although many myopic people have some difficulty seeing at night, this is not night blindness. Classically night blindness is caused by a peripheral retinal disorder called retinitis pigmentosa. Read more...

Can a raised retina cause night blindness?

See answer. A detached retina will cause decreased vision both at night and during the day. However night blindness alone is not a usual symptom of detached retina. Read more...

Can sinus infection cause temporary night blindness?

No. I'm not aware of any mechanism by which a sinus infection could cause this, and no patient of mine with sinusitis has ever had such a complaint. Night blindness, even temporary, is a big deal - be sure to have this evaluated by your physician. Read more...

Dr not concerned about night blindness when driving & doesn't know why. Could monovision, mild glaucoma, mild cataracts or travatan drop cause this?

Glaucoma can cause. Glaucoma, cataracts retinal disease and dry eye can cause problems seeing at night or adjusting to the darkness. Read more...
Yes. I'd bet the mono vision is the biggest culprit to your symptoms. Cataracts are also a source of glare disturbance. Glaucoma, as you've described mild, is not likely the source. Travatan may cause corneal surface irritation which can blur vision and, consequently, may affect your night driving. First of all try wearing fully corrected spectacles or contacts to evaluate whether or not helpful. Read more...