Doctor insights on:
Can Staying Up All Night Affect Your Vision
My husband having problems with staying awake. It comes all of the sudden, he feels like headache but not headache, hands tingling, blurry vision?
See a neurologist: If the symptoms are of new onset and occur of and on you need to have something serious ruled out. ...Read more
Can anxiety or worrying cause vision to be weird not right I've been worried over tick bites n being staying lightheaded from panic I think n worried?
Could: You need to see a doctor for a full exam and diagnosis. Then and only then can you receive the proper treatment plan ...Read more
C.R.T. Is the contact lense you wear at night, then remove in the day to achieve 20/20 vision, does this work?
Less light.: At night your pupil dilates in an attempt to permit more light to enter your eye and impact your retina. The center of our vision is the macula where our more precise "cone" photoreceptors reside and permits us to see well in light. Our peripheral retina has less precise "rod" receptors that are more exposed at night when our pupil dilates. This is why your vision is "fuzzier" at night. ...Read more
I wear glasses, sometimes I don't wear them, either way my vision at night time is wrose off then day time, does that mean anything?
Night vision: Most people see worse at night than by day. This is common for a few reasons. For one, many people are more near-sighted at night, since it is harder to pick a point of focus. Also, at night people rely more on the rods than the cones in their eyes, and rods are not as good at perceiving sharp details. If you cannot see at all during the night, this might indicate a true eye disease... ...Read more
Some get glare: Some patients will notice glare or "haloes" around lights at night following lasik surgery. In the majority of cases, it is not severe and dissipates over several months following the procedure. Nearly all patients who have lasik are pleased that they did, although the displeased minority is very vocal in online communities. A prudent lasik surgeon will discuss these risks before the procedure. ...Read more
Depends: For individuals with normal retinal function, there is, unfortunately, no way to develop superhero grade night vision. Conversely, for patients with decreased night vision or “nyctalopia”, as a result of dietary vitamin a deficiency, vitamin a supplementation will hopefully restore normal human grade night vision. Patients with degenerative conditions such as retinitis pigmentosa, unfortunately, lose night vision and peripheral vision from progressive photoreceptor loss. Patients with congenital stationary night blindness, cone/rod dystrophies and other degenerative disorders also have photoreceptor loss with loss of night vision. Although until now there hasn’t been much to offer these patients, research is currently underway investigating a large array of agents which may offer them some hope for the future. ...Read more
See your doctor: Having these types of symptoms can best be solved by having your doctor perform a thorough evaluation. Only through this type of process can he/she discover what's going on and how best to help you. ...Read more
No: While wearing sunglasses on sunny days to protect your eyes is an excellent idea and will protect your eyes from uv rays, it will not actually "improve" your night vision. Protecting your eyes on sunny days may help with adapting to low light situations, but after 15-30 minutes you vision will have adapted sunglasses or not. Over the long term, not wearing sunglasses can cause some eye damage. ...Read more
Hi doctors, was just wondering what is causing my vision to have a really bad reflection at night?
My vision goes from great during the day to awful at night. What can I do to improve night vision?
See an eye doctor: There are many causes to consider, but most likely you need your prescription adjusted. See your eye doctor soon! ...Read more
What are flashes of light in the vision at night and how do you describe it or how do you see them?
Sometimes, usually at night, I see strange colorful specks in front of my field of vision--what causes this?
See below: Having these types of symptoms can best be solved by having your doctor perform a thorough evaluation. Only through this type of process can he/she discover what's going on and how best to help you. ...Read more
Is there a special contact lens that I can wear at night to correct my vision in the morning without contacts?
There is a special contact lens that re-shape the eye to a certain extent while you sleep. However, there are certain risks, such as a substantial risk of infection. Also, the results may vary quite a bit from person to person.
Alternatives to contact lenses include glasses and refractive surgery. ...Read more
I have very bad night vision, and anything that is lit. I've always been light sensitive. What could cause this?
Many causes!: Without an exam it is difficult to tell you what is going on. It sounds like you have always been this way, in which case it is 'normal for you'. Just like some people are cold sensitive (always need a sweater), some people are light sensitive. At the age of 48, you could also have early cataracts, which would decrease your night vision. ...Read more
Maybe: There were some studies many years back that demonstrated improved night vision if taking bilberry. 1 randomized study and 7 non- randomized studies demonstrated positive effect from bilberry. The 4 most recent randomized controlled studies demonstrate no affect of bilberry on night vision. Http://www. Ncbi. Nlm. Nih. Gov/pubmed/14711439 and http://www. Thorne. Com/altmedrev/.Fulltext/5/2/164.Pdf. ...Read more
Depends: The basis for this "old wive's tale" is that, accurately, carrots as well as other yellow/orange vegetables and gourds (squash, pumpkin) are fantastic sources of vitamin a, an essential vitamin required for photoreceptor (cone/rod) metabolism. While severe vitamin a deficiency may lead to serious, but generally reversible, vision problems, such as night blindness, most people in developed countries meet more than their daily vitamin a requirements from normal diets and there is no need to consume exorbitant amounts of carrots. In fact, vitamin a excess may be toxic to the liver and some clinical studies have demonstrated that excess vitamin a metabolites may actually be potentially toxic to photoreceptors. ...Read more
Yes: In some patients adding a negative 1/2 diopter improves their night vision. Also night vision goggles can improve your vision at night. Spending several minutes in the dark, adapts your rods so you can see better. Use a red light flashlight to avoid loosing your dark adaptation. Don't forget that wild cats have 6 times better night vision than humans, so be careful out there. :). ...Read more
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