Doctor insights on:
If I Have Bad Night Vision Does It Mean My Eyes Are Bad
Get checked out: Although reversible loss of night vision may be associated with vitamin a deficiency, this is not likely in developed countries with normal diet. How long have you had poor night vision? Do you have congenital hearing loss? Loss of night vision may more likely be secondary to a variety of retinal dystrophies, including, most notably, retinitis pigmentosa (rp). When associated with congenital hearing loss, rp is part of usher’s syndrome. Symptoms are progressive nyctalopia (night vision loss) and constriction of visual fields (ie: inability to see immediate surroundings like stair rails or peripheral traffic when gazing forward). Other conditions may cause similar symptoms but are less common. Diagnosis is made by ophthalmologic examination including ophthalmoscopy, erg and visual field testing. Cataracts may occur and further impair vision. Unfortunately, there is presently no recommended therapy to arrest or cure these conditions but research is being conducted into the effects of neuroprotective agents as well as surgical remedies with stem cell and retinal pigment epithelial replacement. Please have your eyes dilated and examined. ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
What would cause intermittent night vision loss in both eyes at different times? (i have severe myopia and a genetic connective tissue disorder?)
Possibly cataracts: Possibly "loose" cataracts, especially if have marfan's syndrome. ...Read more
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 moreSee 1 more doctor answer
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?
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 moreSee 1 more doctor answer
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