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Doctor insights on: Can Staying Up All Night Affect Your Vision

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Can staying up all night affect your vision?

Can staying up all night affect your vision?

It depends: For the most part, no. However, your general health is important for overall eye health and eye sight. Your eyes may feel dry after being up all night, and this may blur the vision. Good sleep is essential for optimal brain function. ...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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C.R.T. Is the contact lense you wear at night, then remove in the day to achieve 20/20 vision, does this work?

C.R.T. Is the contact lense you wear at night, then remove in the day to achieve 20/20 vision, does this work?

Sort of: These contacts are designed to change to shape of the eye while asleep. The change then reverts during the day. It is expensive and the vision varies during the day as the eye changes. A better answer is to just wear contact lenses during the day or get laser done. ...Read more

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What causes double stacked vision only at night?

What causes double stacked vision only at night?

Double vision: The most common cause of double vision is misaligned eyes. Misalignment that causes "stacked" vision is less common, and should be evaluated by an ophthalmologist. ...Read more

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Why is my vision fuzzy when I am looking at the night sky?

Why is my vision fuzzy when I am looking at the night sky?

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

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What are techniques to improve night vision?

What are techniques to improve night vision?

Pray: Zero, unless you live in an area of vitamin a deficiency- then eat some carrots or take vitamin a. ...Read more

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Should i consider getting reflective contacts for night vision?

? Reflective: I am not aware of reflective contact lenses. There is also no such thing as contacts for night vision. Most people become a little nearsighted at night. Easier to just get glasses for night which have a mild myopic correction in them. ...Read more

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What are the rods and cones functions in terms of night vision?

What are the rods and cones functions in terms of night vision?

Rods are for night: Cones detect color, and work best in bright light. The rods are the cells of the retina that function at night, allowing you so see better in dim light conditions. ...Read more

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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?

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

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Lasik - night vision.?

Lasik - night vision.?

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

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