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Cataract : Symptoms

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Visual problems may include the following changes: Cloudy, fuzzy, foggy, or filmy vision; Loss of color intensity; Double vision; Difficulty seeing at night; Problems seeing shapes against a background or the difference between shades of colors; S...
Source:ADAM
Date:July 28, 2008
Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means you have very limited vision; Complete blindness means you cannot see anything and do not see light. People with vision worse than 20/200 are considered legally blind in most states in the United States.
Source:ADAM
Date:August 22, 2008
On a few separate occasions, I have lost vision in one eye -- it goes totally gray for about 30 seconds, then vision returns. What could be causing this?
Source:StayWell
What percentage of your eyesight has to be lost for you to be considered legally blind in either eye?
Source:StayWell
Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can't be corrected with standard glasses or contact lenses and reduces a person's ability to function at certain or all tasks. Legal blindness (which is actually a severe visual impairment) refers to a best-corrected central vision of 20/200 or worse in the better eye or a visual acuity of better than 20/200 but with a visual field no greater than 20° (e.g., side vision that is so reduced that it appears as if the person is looking through a tunnel).
Source:Gale Encyclopedia of Medicine
What Is Low Vision?When you have low vision, you need more than glasses or contact lenses to see well enough to get around and do day-to-day tasks.
Source:StayWell
Detailed information on problems with vision in children
Source:StayWell
If you have low-vision symptoms, talk to your eye-care professional, who can help you find resources and visual devices to make the most of your remaining vision.
Source:StayWell
Detailed information on problems with vision in children
Source:StayWell
Treatment for Low VisionUsing vision aids can help you do the things you need and want to do. There are many kinds of vision aids.
Source:StayWell
The number of people losing their vision is growing, yet experts say much of this vision loss could be prevented.
Source:StayWell
Detailed information on correcting or improving vision problems
Source:StayWell
Have you noticed the sudden onset of any of these symptoms: vision loss, seeing double, the feeling of a shade over the eye, lights are surrounded by halos, or light sensitivity?
Source:StayWell
Reports of a rare eye condition developing in men after use of Viagra are a reminder that erectile dysfunction medications should be used with the same caution given to other prescription drugs.
Source:StayWell
Visual disturbances are abnormalities of sight. Visual disturbances associated with neurological disorders often include double vision (diplopia), moving or blurred vision due to nystagmus (involuntary rapid movements of the eyes), reduced visual acuity, reduced visual field, and partial or total loss of vision as in papilledema, a swelling of the optic disc, or in blindness. Visual disturbances are often symptoms of other disorders, in particular neurological disorders, but can also occur due to muscular disorders, vascular diseases, cancer, or trauma. Additionally, diseases such as diabetes and hyperthyroidism can contribute to the visual abnormalities. Some visual disturbances arise from congenital conditions that are often hereditary.
Source:Gale Encyclopedia of Neurological Disorders
Hazy vision, cloudy vision, blurred vision are all problems with seeing clearly. Any change in your normal vision is cause for concern and is a good reason to call a doctor for an examination.
Source:Healthline
Date:September 30, 2007
Color blindness is an abnormal condition characterized by the inability to clearly distinguish different colors of the spectrum. The difficulties can be mild to severe. It is a misleading term because people with color blindness are not blind. Rather, they tend to see colors in a limited range of hues; a rare few may not see colors at all.
Source:Gale Encyclopedia of Genetic Disorders Part II
Color blindness is an abnormal condition characterized by the inability to clearly distinguish different colors of the spectrum. The difficulties can be mild to severe. It is a misleading term because people with color blindness are not blind. Rather, they tend to see colors in a limited range of hues; a rare few may not see colors at all.
Source:Gale Encyclopedia of Genetic Disorders Part I
Color blindness is an abnormal condition characterized by the inability to clearly distinguish different colors of the spectrum. The difficulties can be mild to severe. It is a misleading term because people with color blindness are not blind. Rather, they tend to see colors in a limited range of hues; a rare few may not see colors at all.
Source:Gale Encyclopedia of Medicine
The term color blindness describes a deficiency in discriminating various colors. It is a misnomer because most color-blind people do, in fact, see colors. The deficiency is a lack of perceptual sensitivity to certain colors. A rare few may not see colors at all.
Source:Gale Encyclopedia of Nursing and Allied Health
Color blindness is an abnormal condition characterized by the inability to clearly distinguish different colors of the spectrum. The difficulties can range from mild to severe. It is a misleading term because people with color blindness are not blind. Rather, they tend to see colors in a limited range of hues; a rare few may not see colors at all.
Source:Gale Encyclopedia of Children's Health
Night blindness is poor vision at night or in dim light.
Source:ADAM
Date:August 22, 2008
Loss of night vision, a common problem among adults over 40, is attributable to a number of factors.
Source:StayWell
Night blindness is the inability or reduced ability to see in dim light or darkness. It also refers to the condition in which the time it takes for the eyes to adapt to darkness is prolonged.
Source:Gale Encyclopedia of Alternative Medicine
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