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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 ?
I lost sight of everything - my marriage, my friends and my family."
When he was released, he had a nervous breakdown and had lost sight in his left eye, according to Rami Aman, a journalist acquainted with Safi's conditions.
Coastguard Senior Coastal Operations Officer Mark Craddock said: "The first informant lost sight of them and rightly called for help.
"I lost sight of that and I found it again in my time off and it is something I am really thankful for.
Near the Highway 34- Corvallis interchange, the trooper lost sight of him and ended the pursuit.
According to, great Australian players like McGrath, Warne, the Waughs and Hayden were always bent on humiliating their opponents and never lost sight of the ultimate goal.
I have not regained all my lost sight. But the overall improvement is remarkable."
Adrian Don, a spokesman for Tynemouth RNLI lifeboat station, said: "It seems that police officers lost sight of a youth they were looking for in the area of the marina and feared he might have fallen into the water.
And even though you have lost sight of the context I was speaking in (i.e.
It is the Welsh Office and the Secretary of State for Wales who have quite lost sight of the structural change that has taken place.
I have had macular degeneration for about four years and, due to complications caused by an infection, completely lost sight in one eye.
Sakamoto was taken to hospital, where doctors said he had lost sight in his right eye.