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Topic: Vision loss


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In the News (Sat 26 Dec 09)

  
  Vision Loss in Diabetes   (Site not responding. Last check: 2007-10-20)
Vision loss occurs commonly from two major problems proliferative diabetic retinopathy and macular edema.
Macular edema is a swelling of the delicate macular tissue in the center of the retina.
The key to diabetic vision loss is to prevent it through early detection and treatment.
www.eyeassociates.com /images/vision_loss_in_diabetes.htm   (777 words)

  
 Vision Impairment (part 1), NCBDDD, CDC
Vision impairment may be caused by a loss of visual acuity, where the eye does not see objects as clearly as usual.
Impaired vision can affect a child’s cognitive, emotional, neurological, and physical development by possibly limiting the range of experiences and the kinds of information a child is exposed to.
It includes goals related to vision impairment, such as preventing eye injuries, increasing the number of people who have their eyes examined, decreasing the number of children under 17 years old who are blind or visually impaired, decreasing the number of people who lose their vision due to diabetes, and others.
www.cdc.gov /ncbddd/dd/ddvi.htm   (1913 words)

  
 Low Vision Defined - Lighthouse International
Vision is a complex sense, encompassing the ability to perceive detail (acuity), color and contrast, and to distinguish objects.
Low vision services are provided by specially trained professionals in a number of settings: hospitals, vision rehabilitation organizations, private optometric and ophthalmologic practices, and educational and university facilities.
The adaptive process, in coordination with low vision services, is known as vision rehabilitation; its goal is to equip people who are visually impaired with the skills and confidence needed to function as independently as possible.
www.lighthouse.org /low_vision_defined.htm   (550 words)

  
 MedlinePlus Medical Encyclopedia: Vision problems
Blurred vision is the loss of sharpness of vision and the inability to see small details.
Changes in vision, blurriness, blind spots, halos around lights, or dimness of vision should always be evaluated by a medical professional.
Glaucoma -- increased pressure in the eye, causing poor night vision, blind spots, and loss of vision to either side.
www.nlm.nih.gov /medlineplus/ency/article/003029.htm   (1213 words)

  
 Vision impairment - neurological   (Site not responding. Last check: 2007-10-20)
Vision impairment resulting from an acquired brain injury (also called ABI VI) is vision loss caused by damage to the areas of the brain that are responsible for sight.
The type and severity of vision loss depend on which area of the brain was affected and to what degree.
Neurological vision impairment (ABI VI) is vision loss caused by damage to the areas of the brain that are responsible for sight.
www.betterhealth.vic.gov.au /bhcv2/bhcarticles.nsf/pages/Vision_impairment_neurological?open   (943 words)

  
 Loss of vision   (Site not responding. Last check: 2007-10-20)
Blindness is the loss of vision, not correctable with lenses.
People with vision worse than 20/200 or a field of vision of less than 20 degrees in the better eye are considered legally blind.
Most serious forms of vision loss are painless, and the absence of pain in no way diminishes the urgent need to get medical care.
www.dental.am /comments.php?id=7349_0_14_0_C   (319 words)

  
 ► Vision abnormalities
Blurred vision is the loss of visual acuity (sharpness of vision) resulting in a loss of ability to see small details.
Loss of visual acuity, changes in vision, blurriness, or dimness of vision should always be urgently evaluated by a medical profesional.
macular degeneration is a common cause of loss of central vision in the elderly
www.umm.edu /ency/article/003029.htm   (497 words)

  
 USATODAY.com - Studies foresee increased vision loss among boomers   (Site not responding. Last check: 2007-10-20)
About 3.3 million Americans 40 and over are blind or have low vision — a non-correctible visual impairment that interferes with the ability to perform everyday activities.
"Vision is a very difficult thing to lose, and it's one of the joys of life," says study author John Kempen, assistant professor of ophthalmology and epidemiology at Johns Hopkins University.
Some causes of blindness and vision impairment, such as cataracts, which are common in people over 40, are easily treated with surgery and medications, including vitamins.
www.usatoday.com /news/health/2004-04-12-vision-usat_x.htm   (528 words)

  
 Vision Loss from Eye Diseases Will Increase as Americans Age [NEI News and Events]
With the aging of the population, the number of Americans with major eye diseases is increasing, and vision loss is becoming a major public health problem.
Cataract is the leading cause of low vision among all Americans, responsible for about 50 percent of all cases.
The Eye Disease Prevalence Research Group produced prevalence estimates of blindness and low vision in people age 40 and over by analyzing standardized data from several high quality studies.The derived prevalence rates were then modeled to the U.S. population using 2000 census data, and projected to 2020 based on 2020 US census estimates.
www.nei.nih.gov /news/pressreleases/041204.asp   (886 words)

  
 Low Vision
Low Vision is a bilateral impairment to vision that significantly impairs the functioning of the patient and cannot be adequately corrected with medical, surgical, therapy, conventional eyewear or contact lenses.
It is often a loss of sharpness or acuity but may present as a loss of field of vision, light sensitivity, distorted vision or loss of contrast.
Low Vision Specialists are licensed Doctors of Optometry or Ophthalmology, who are skilled in the examination, treatment and management of patients with visual impairments not fully treatable by medical, surgical or convention eyewear or contact lenses.
www.avclinic.com /LowVision.htm   (611 words)

  
 Science News: Slowing Macular Degeneration with Antioxidants
For reasons that have yet to be understood, sometimes the light-sensitive cells in the macula break down, resulting in a loss of central vision.
Antioxidants alone reduced the risk of progression by 17% and the risk for vision loss by 10%.
The retina becomes diseased, leading to the slow breakdown of the light-sensing cells in the macula and a gradual loss of central vision.
www.accessexcellence.org /WN/SU/SU102001/macular.html   (1183 words)

  
 Macular Degeneration
There are a number of abnormalities associated with the term "age-related macular degeneration." They range from mild changes with no decrease in vision to abnormalities severe enough to result in the loss of all "straight ahead" vision.
Vision may also be affected when there are disturbances in the layer of cells below the retina called the retinal pigment epithelium.
In an effort to detect loss of vision associated with macular degeneration, eye doctors across the country are recommending this test to their patients.
www.avclinic.com /MacularDegeneration.htm   (690 words)

  
 Disability Info: Visual Impairments Fact Sheet (FS13)
The terms partially sighted, low vision, legally blind, and totally blind are used in the educational context to describe students with visual impairments.
Low vision applies to all individuals with sight who are unable to read the newspaper at a normal viewing distance, even with the aid of eyeglasses or contact lenses.
Students with low vision or those who are legally blind may need help in using their residual vision more efficiently and in working with special aids and materials.
www.nichcy.org /pubs/factshe/fs13txt.htm   (683 words)

  
 RRTC:Information and Resource Referral Project
Visual Acuity - Acuteness or clarity of vision which is dependent on the sharpness of the retinal focus, the sensitivity of the nervous elements, and the interpretative faculty of the brain.
when the best vision obtained in the better eye, is 20/200 or less, or when, despite the activity attained the field of vision of the better eye is 20 degreees or less.
although reduced central or reading vision is common, low vision may also result from decreased side (peripheral) vision, a reduction of loss of color vision, or the eye's inability to properly adjust to light, contrast or glare.
www.blind.msstate.edu /irr/def.html   (805 words)

  
 My temporary vision loss BBSHTCM
Fortunately for me my vision loss was not associated with a migraine headache.
In hindsight I've had these vision loss occurrences very slightly even in my mid twenties when I was in peak physical condition.
In his case however there was almost always a fairly severe migraine headache accompanying the vision loss.
www.bobshowto.com /temporary-vision-loss.htm   (1019 words)

  
 USATODAY.com - FDA warns about vision loss and impotence drugs   (Site not responding. Last check: 2007-10-20)
At issue is sudden vision loss when blood flow to the optic nerve is blocked, a condition called NAION or non-arteritic anterior ischemic optic neuropathy.
NAION is considered one of the most common causes of sudden vision loss in older people, with anywhere from 1,000 to 6,000 cases a year.
But FDA advised patients to stop taking the pills and call a doctor if they experience sudden or decreased vision loss in one or both eyes — and to tell their doctor if they have ever suffered an episode of sudden vision loss, because such patients are at increased risk of a second episode.
www.usatoday.com /news/nation/2005-07-08-labels-impotencedrugs_x.htm   (548 words)

  
 RedNova News - Health - Drug Puts Brakes on Vision Loss   (Site not responding. Last check: 2007-10-20)
One simple way the researchers measured vision loss is by counting the number of letters on a standard eye chart that become illegible to patients over the course of the study.
While a loss of 15 letters would be considered moderate vision loss, a loss of 50 letters or more (six lines) would be considered severe.
Macugen is "a significant new therapy that inhibits the growth of new blood vessels and reduces leakage in a disease that relentlessly causes gradual loss of functioning vision in the elderly population," said Dr. Stanley Chang, chairman of ophthalmology at Columbia University.
www.rednova.com /news/display?id=115115   (708 words)

  
 Diabetic Retinopathy
Vision loss caused by macular edema responds well to magnification.
Double vision is very bothersome to the patient, but it often resolves over several weeks to months.
Once vision loss occurs, the low vision specialist can aid the diabetic cope with many of these problems.
www.lowvision.org /diabetic_retinopathy.htm   (866 words)

  
 NIH News Release--Antioxidant Vitamins and Zinc Reduce Risk of Vision Loss from Age-Related Macular Degeneration- - ...
Scientists found that people at high risk of developing advanced stages of AMD, a leading cause of vision loss, lowered their risk by about 25 percent when treated with a high-dose combination of vitamin C, vitamin E, beta-carotene, and zinc.
Drusen by themselves do not usually cause vision loss, but an increase in their size and/or number increases a person's risk of developing advanced AMD, which can cause serious vision loss.
A cataract is a clouding of the eye's lens that blocks some light from reaching the retina and interferes with vision.
www.nih.gov /news/pr/oct2001/nei-12.htm   (1474 words)

  
 FDA Probes Reports of Vision Loss Linked to Impotence Drugs   (Site not responding. Last check: 2007-10-20)
But, health experts caution, this type of vision loss also is linked to the same illnesses -- such as diabetes and heart disease -- that can lead to impotence.
The vision problems seem to be linked to a condition called nonarteritic anterior ischemic optic neuropathy, or NAION, which causes sudden vision loss when blood flow to the optic nerve is blocked.
Word of the possible link between vision problems and the impotence drugs comes at a time when the drug industry is under criticism for not disclosing serious side effects associated with certain drugs, such as the painkillers Vioxx and Bextra.
www.healthcentral.tv /newsdetail/408/525993.html   (933 words)

  
 VisionSimulator.com — Vision simulation of the more common eye diseases & conditions.
The Vision Simulator is designed to help you better understand the possible progression of some of the more common eye diseases and conditions.
Macular degeneration (AMD) occurs when the center of the retina is damaged, causing the vision in the center of your eye to blur or darken.
When the retina is detached, the eye cannot process what it sees and causes vision loss.
www.visionsimulator.com   (335 words)

  
 Understanding Vision Loss from Pathological Myopia
Pathological myopia is an extremely high amount of nearsightedness that causes a major alteration of the shape or globe of the eye, which may lead to profound vision loss.
Early examinations of children at risk are crucial, for the failure to detect high myopia in young children may lead to further vision loss from amblyopia.
The best way to reduce the risk of vision loss is to have regular dilated retinal examinations, and to seek immediate eye care if you have any flashes, floaters or decrease in your vision.
www.eyeassociates.com /images/understanding_vision_loss_from_p.htm   (1056 words)

  
 Coping with Vision Loss - From the Cleveland Clinic
Vision loss is a difficult condition, but fortunately there are many low vision aids that can help you cope day to day.
You may also find it helpful to discuss vision loss with your doctor, as well as other people who have lost vision.
While vision loss can occur at any age, it occurs most often among mature adults.
my.webmd.com /content/article/63/71985.htm?z=4051_00000_7001_to_18   (397 words)

  
 Can an infected cause loss of vision?
At the time the tooth was being repaired, something the dentist was using to repair my tooth leaked behind the protective "sheet", my mouth was in instant agony with the taste of a bleach-type of fluid and my throat felt seared and it was hard to swallow because of the pain.
Optometrists are probably not the best qualified for a problem as severe as the total loss of vision in one eye.
He figured the vision loss is related to the wisdom tooth as I lost my vision approx.
www.medhelp.org /perl6/neuro/messages/32712a.html   (792 words)

  
 Coping with Vision Loss - From the Cleveland Clinic
But, unfortunately, some eye conditions cannot be treated, resulting in low vision or blindness.
While one obvious challenge of vision loss is restoring mobility and function, there is also the emotional toll of vision loss to consider.
Understanding the process of grief associated with vision loss can help you and your loved ones cope with these physiological and emotional challenges.
my.webmd.com /content/article/63/71985   (397 words)

  
 The Emotional Impact of Vision Loss
She experienced intermittent periods of vision loss and had been told that one day the loss would be permanent.
The identity of the person who loses vision is changed from his previous identity to that of "the blind," and he is forced to cope with whatever this means for his interactions with family, friends and others in the community.
Self-esteem is affected by the loss of communication or other skills (Beach, Robinet, and Hakim-Larson, 1995) but regaining these skills via alternative methods can be difficult if the feelings about vision loss and related issues have not been addressed.
www.growingstrong.org /blindness/psych/aa021201a.htm   (2291 words)

  
 The State News - Vision loss seminar to offer exhibits, speakers - Tuesday, April 13, 1999
Seeking to help those with vision loss, MSU will host a seminar and speakers about how to deal with reduced vision today.
Although macular degeneration leads to loss of vision, it does not typically cause blindness, said Hudson.
The panel of speakers will first speak about how to use as much vision as possible after experiencing some loss of vision and then will focus on current research findings.
www.msu.edu /~mjh/macdegen.htm   (322 words)

  
 low vision   (Site not responding. Last check: 2007-10-20)
Low vision is a significant reduction of visual function that cannot be fully corrected by ordinary glasses, contact lenses, medical treatment and/or surgery.
People with severe low vision may be classified as partially sighted and/or legally blind.
Loss of peripheral vision causes a restricted field of vision.
www.low-vision.org /low-vision.html   (242 words)

  
 Macular Degeneration and Vision Loss
It is the most common cause of severe vision loss among people over 65, and, as life expectancy increases, the disease is becoming an increasingly significant problem.
The earlier the problems are detected, the better chance of preventing vision loss.
TREATMENT: There is usually no treatment for the "dry" form of this disease, but low vision rehabilitation can help those with significant vision loss to maintain an excellent quality of life.
www.vision-nutrition.com /5-index.html   (559 words)

  
 Medical Breakthroughs - Learn More About Migraines
The team found that vision loss was a significant predictor of stroke.
"Women who experience loss of vision as a symptom of migraine have a 70 percent increased risk of stroke compared with women who don't have migraines," Giles said.
In terms of the overall risk for stroke, migraine with vision loss is a moderate risk factor, Giles said.
www.migraineissues.com /ms/news/523779/main.html   (776 words)

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