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Doctor insights on: Can You Lose Night Vision In One Eye

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Can you lose night vision in one eye?

Can you lose night vision in one eye?

Night blindness: True impaired night vision is a bilateral process, so if it is occurring in one eye only it may indicate a specific eye problem in the one eye and an examination by an ophthalmologist can address that issue. ...Read more

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Dr. Richard Bensinger
1,666 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Often when I wake in the night, vision in one eye is much darker than the other. If I close the better eye, I can barely see in the dark. Thoughts?

Often when I wake in the night, vision in one eye is much darker than the other. If I close the better eye, I can barely see in the dark. Thoughts?

Rod cells: Night vision is control by the rod cells. You may have weaker rod cells function in that side? Or you may have cataract which filter outs light. Its less likely you have cataract in your age unless you have history of trauma to that side , steroid use or smoking. ...Read more

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Poor night vision in one eye.What to do at 50?

Eye exam: It would be distinctly unusual for a person at age 50 to develop poor night vision in just one eye. Possible causes might include cataract, or retinal disease which is asymmetrical, i.e. Affecting one eye more than the other. Have an exam by an ophthalmologist asap. ...Read more

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Is it possible to train my eyes to have night vision?

Is it possible to train my eyes to have night vision?

Nighblindness: If you believe you may have night blindness, get examined by an eye physician because there are rare but treatable types of this condition that affect your entire health. ...Read more

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Which foods increase your eye sight or night vision?

Multivitamins & eye: Multivitamins such as centrum have been studied and have determined that they slow the progression of cataract formation. They do not improve vision, but help you retain the vision you have longer. Over time, everyone develops cataracts. Most people have this cloudy lens removed in their 70's or 80's. ...Read more

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I was wondering if there are any test to acquire night vision by eye surgeries? .

I was wondering if there are any test to acquire night vision by eye surgeries? .

If : If your night vision has never been good--this may be genetic or it may be from undercorrected eye glasses or contacts. Have your eye doc do a measurement in the dark to see if it is different than a "day time" measurement. ...Read more

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My right eye low night vision help me please ?

My right eye low night vision help me please ?

Low night vision: Low night vision in one eye is likely due to some ocular issue resulting in asymmetric decreased vision. This could be cataract, corneal disease, glaucoma, macular degeneration or other retinal disease, or other optic nerve disease. You should see an eye doctor to determine the cause of the unilateral low night vision issue since it could be something serious in need of treatment. ...Read more

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My right eye has really bad night vision help me plz?

Is this chronic?: If this is a longstanding condition (as far back as you can remember) it is likely permanent. If it started recently (over the last few months or a few years) there may be a cause that can be treated. I recommend having a dilated eye examination. ...Read more

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Is it bad for your eyes to go back and forth from night vision to regular vision quite quickly for maybe an hour period?

Is it bad for your eyes to go back and forth from night vision to regular  vision quite quickly for maybe an hour period?

Not bad for the eyes: There is no physiologic basis for the eyes to become strained or damaged in any way as a consequence of normal levels of light (not like a laser beam focused on the retina) alterations. I have no idea what this will do to your circadian rhythms though. Good luck with that one. But the retinas and corneas and lens will be fine. ...Read more

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I lost night vision completely in my right eye only. It gradually returned after 20-30 min. Is this an emergency?

I lost night vision completely in my right eye only. It gradually returned after 20-30 min. Is this an emergency?

Yes: If you lost vision in one eye it could be a sign of a much more serious problem. You need to see a doctor right away for an evaluation. There are many possible causes of temporary loss of vision in one eye. Please do not delay. See a doctor today. ...Read more