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a thing seen.
far sight hyperopia.
near sight myopia.
night sight hemeralopia.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


The ability or faculty of seeing.
See also: vision.
[A.S. gesihth]
Farlex Partner Medical Dictionary © Farlex 2012


The ability or faculty of seeing.
See also: vision
[A.S. gesihth]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


The special sense by which the colour, form, position, shape, etc. of objects is perceived when light from these objects impinges upon the retina of the eye.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

Patient discussion about sight

Q. What age does eye sight stabilizes? I was just wondering at what age does your eye sight usually level off and stop getting worse? Any ideas much appreciated!

A. It will stabilize in a few years-age of 26-27.That is the average age people perform lasik surgery.
It is also the age the eye is fully grown.
Don't worry it will not get much worse maybe about -0,75.
Take care

Q. What can you do to make your eye sight better? My eye sight isn’t that great. Is there anyway to improve it, like eating certain foods or drinking certain drinks?

A. There is something called the Bates Method. It is a combination of relaxation and exercises with the eyes. Depending on the problems you have with your eyes it may help. Do an internet search on Bates Method and you will get some info on it and a couple years ago I actually found a place I downloaded a description of some of the exercises.

Q. My vision is blurry and I see zigzag lines, what is it from? Every now and again, usually after sitting a few hours in front of the computer or not sleeping enough at night, I start getting blurry vision. I see zigzag lines in front of my eyes and it can take sometimes an hour to go away. What is this from?

A. It sounds like you have a migraine. A migraine that comes with blurry vision and zigzags (an aura) is called a classic migraine. The aura of migraine typically lasts from 20 minutes to an hour. Some patients have prolonged aura symptoms that can last hours to days. The aura also typically ends before the headache itself begins. When migraine aura symptoms are prolonged or last into or through the headache phase these types of migraine are commonly referred to as complicated migraines.

More discussions about sight
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References in periodicals archive ?
The minister has been criticised by some Islamic scholars since he challenged the working of the moon sighting committee and the role of Islamic clerics involved in the moon sighting exercise.
He said that the local committee was busy in testimonies when Mufti Muneeb made announcement on television of not sighting the moon.
Low cost compared to other types of sighting systems is at the top of the list of advantages they offer.
San Francisco, CA, September 20, 2012 --( Wildlife Sightings has expanded its' citizen science services for nature enthusiasts, educators and non-profit groups.
Of that number, three were reported sightings of Americans in a non-captive environment, such as working as truck drivers or married with a Vietnamese family.
SHHHHH On March 1, 2004, just 3 days after the sighting, Gallagher arrived sleep deprived and agitated at the office of Cornell lab director John Fitzpatrick.
The predominant species reported was the American Crow (Corvus brachyrhynchos) (5,697 sightings, 33%).
As a test measure for sighting, I made a temporary rear sight at the height I felt would work and taped it to the rib just forward of the receiver.
While no handgun sights are right for every shooter or situation, understanding the pros and cons of various sighting systems will help you decide which is right for you.
The Slovenian government has confirmed that the weapons will be equipped with infrared and laser sights, although it has declined to reveal the manufacturer or how many of these sighting systems have been delivered.
After more than a few bad experiences back in the mid-70s, I replaced my peep sight with a sighting reference marker on my string.
By aligning that bright pin guard within the circular window of my peep sight at full draw, I'm able to achieve a more consistent and precise sighting picture.