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Color Vision Defect (Acquired) News

Blindness Biggest Fear for Many Americans

Posted 4 Aug 2016 by Drugs.com

THURSDAY, Aug. 4, 2016 – Blindness is what many Americans fear most, a new survey shows. "These findings underscore the importance of good eyesight to most and that having good vision is key to one's overall sense of well-being," said lead researcher Dr. Adrienne Scott and colleagues. Scott is an assistant professor of opthalmology at Johns Hopkins University School of Medicine in Baltimore. "The consistency of these findings among the varying ethnic/racial groups underscores the importance of educating the public on eye health and mobilizing public support for vision research," the researchers added in a news release. The nationwide online poll, commissioned by the nonprofit health research group known as Research!America, found that 88 percent of more than 2,000 respondents considered good vision vital to overall health. And 47 percent said losing their sight would have the most ... Read more

Related support groups: Eye Conditions, Smoking, Smoking Cessation, Glaucoma, Cataract, Glaucoma (Open Angle), Macular Degeneration, Retinal Disorders, Visual Defect/Disturbance, Glaucoma (Narrow Angle), Refraction - Assessment, Color Vision Defect (Acquired), Glaucoma with Pupillary Block

Vision Trouble Can Dim Life's Prospects

Posted 28 Jul 2016 by Drugs.com

THURSDAY, July 28, 2016 – People with vision problems may face a higher risk of unemployment, poverty and mental health problems, a new British study suggests. "Our focus has mostly been on severe visual loss and treating the eye diseases that cause it," said Mary Frances Cotch, chief of epidemiology at the U.S. National Eye Institute. "This study is saying we probably shouldn't wait until that time since people with mild visual loss are being affected by their condition." The British researchers based their findings on a previous project that examined the health of more than 112,000 volunteers in the United Kingdom. The average age of the volunteers was 57, and 55 percent were female. Less than 1 percent of the participants were blind or had severely limited vision. But 23 percent had limited vision in one or both eyes, often despite having contacts or eyeglasses, according to the ... Read more

Related support groups: Eye Conditions, Cataract, Visual Defect/Disturbance, Myopia, Color Vision Defect (Acquired)

Routine Eye Exams See Vision Problems You Miss

Posted 14 Jul 2016 by Drugs.com

WEDNESDAY, July 13, 2016 – Routine eye checkups often pick up unnoticed problems, particularly in older adults, a new study says. "In asymptomatic patients, comprehensive routine optometric eye examinations detect a significant number of new eye conditions and/or results in management changes," said the study's author, Elizabeth Irving, and her colleagues from the University of Waterloo in Ontario, Canada. More than half of people with no new symptoms or vision problems receive new prescriptions or treatment changes as a result of routine eye exams, the researchers found. The need for vision prescription changes was found for two out of five people, the study noted. Meanwhile, 16 percent were diagnosed with a new eye condition and 31 percent had a change in their ongoing care, researchers found. The study included data on nearly 6,400 patients who visited a university eye clinic over ... Read more

Related support groups: Eye Conditions, Glaucoma, Cataract, Glaucoma (Open Angle), Macular Degeneration, Uveitis, Iritis, Keratitis, Optic Nerve Disorder, Macular Edema, Ocular Herpes Simplex, Retinal Disorders, Corneal Ulcer, Corneal Abrasion, Glaucoma/Intraocular Hypertension, Diagnosis and Investigation, Strabismus, Chorioretinitis, Glaucoma (Narrow Angle), Visual Defect/Disturbance

Health Tip: Are You Losing Your Vision?

Posted 16 Jun 2016 by Drugs.com

-- Some age-related vision loss is common. But because it tends to happen gradually, you may not be aware that your sight is ebbing. The American Academy of Family Physicians mentions these signs of worsening vision: Difficulty reading your mail, or paying your bills. Trouble seeing the television. Problems signing your name. Having a hard time seeing well enough to walk up and down stairs. Squinting frequently. Read more

Related support groups: Eye Conditions, Glaucoma, Cataract, Glaucoma (Open Angle), Visual Defect/Disturbance, Myopia, Glaucoma (Narrow Angle), Color Vision Defect (Acquired)

Health Tip: Help Protect Your Vision

Posted 24 May 2016 by Drugs.com

-- You pay regular visits to your family doctor and dentist, so why not your eye doctor? Regular eye exams can prevent or spot serious problems that could lead to impaired sight. The U.S. Centers for Disease Control and Prevention suggests seeing an eye doctor promptly if you have: Difficulty seeing properly, including double vision. Redness of your eye, draining or eye pain. Floaters, small specks that seem to "float" in front of your eyes. Diabetes. Halos that appear to surround lights. Visions that appear to resemble flashes of light. Read more

Related support groups: Eye Conditions, Glaucoma, Eye Dryness/Redness, Cataract, Macular Degeneration, Conjunctivitis, Eye Redness/Itching, Retinal Disorders, Visual Defect/Disturbance, Color Vision Defect (Acquired), Refraction - Assessment, Vitreomacular Adhesion

Ebola May Leave Some Survivors Blind

Posted 4 May 2016 by Drugs.com

WEDNESDAY, May 4, 2016 – About one-fifth of Ebola survivors in Sierra Leone developed severe or total vision loss within weeks of being declared free of the virus, a new study finds. Many survivors develop uveitis, a general term describing illnesses that trigger swelling and can destroy optical tissues, the researchers said. "Uveitis patients developed ocular symptoms a median of three weeks after discharge from Ebola treatment centers" in Sierra Leone, said a team led by Dr. John Mattia of the Lowell and Ruth Gess Eye Hospital in Decatur, Ga. The researchers were to present the findings Wednesday in Seattle at the annual meeting of the Association for Research in Vision and Ophthalmology. In the West African study, Mattia's team examined the eyes of 50 Ebola survivors with uveitis out of a group of about 270 survivors. A total of 62 eyes were given visual acuity tests. "Severe vision ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Ebola Hemorrhagic Fever, Color Vision Defect (Acquired)

Laser Pointers Probably Won't Damage Pilots' Eyes …

Posted 20 Apr 2016 by Drugs.com

WEDNESDAY, April 20, 2016 – Lasers aimed at airplane cockpits likely won't damage pilots' eyes, but could lead to disaster by distracting them, eye experts warn. Reports of handheld lasers directed at aircraft are accelerating globally. Last year, more than 7,700 cases were reported to the U.S. Federal Aviation Administration, and the number seems to be soaring this year, according to published reports. "Obviously, if such a distraction occurs at a critical time, such as during landing, the result could be devastating," wrote John Marshall, from the Institute of Ophthalmology at University College London, and colleagues, in an editorial published April 20 in the British Journal of Ophthalmology. "Fortunately, these exposures are at irradiances that are incapable of producing irreversible retinal damage even at distances of [328 feet]," they wrote. There were more than 1,500 ... Read more

Related support groups: Eye Conditions, Eye Dryness/Redness, Eye Redness/Itching, Visual Defect/Disturbance, Color Vision Defect (Acquired)

Experts Undecided on Whether Seniors Should Get Routine Vision Checks

Posted 1 Mar 2016 by Drugs.com

TUESDAY, March 1, 2016 – There's just not enough good data to say whether or not seniors should be routinely screened for vision trouble by their primary care physicians, an influential panel of U.S. experts reports. The U.S. Preventive Services Task Force (USPSTF) believes current data isn't adequate to assess the potential benefits and harms of such screening in people 65 or older. The task force is an independent, volunteer panel of experts that reviews the scientific evidence and makes recommendations on preventive health services. "We need more evidence on accurate ways to screen for eye conditions in older adults in a primary care setting," task force chair Dr. Al Siu said in a USPSTF news release. Siu is Mount Sinai Health System chair, and a professor in the department of geriatrics and palliative medicine at the Icahn School of Medicine at Mount Sinai, in New York City. ... Read more

Related support groups: Eye Conditions, Cataract, Macular Degeneration, Macular Edema, Diabetic Macular Edema, Visual Defect/Disturbance, Myopia, Color Vision Defect (Acquired)

Dyslexia Unrelated to Vision Problems: Study

Posted 25 May 2015 by Drugs.com

MONDAY, May 25, 2015 – Eye training or other vision therapies will not treat dyslexia in children, say researchers who found normal vision among most children with the learning disability. The findings confirm what eye doctors have known for a long time, said Dr. Mark Fromer, an ophthalmologist at Lenox Hill Hospital in New York City. "Dyslexia is a brain dysfunction, not an eye disorder," said Fromer, who was not involved in the study. "There are no studies that clearly identify that visual training can be helpful for the dyslexic patient." Depending on the definition used, as many as one in five school-aged children in the United States may have dyslexia, the researchers said. If severe reading difficulties associated with dyslexia aren't addressed, they can affect adult employment and even health, they added. The new findings, published online May 25, will appear in the June issue ... Read more

Related support groups: Visual Defect/Disturbance, Color Vision Defect (Acquired)

'Female' X Chromosome May Play Part in Sperm Production

Posted 22 Jul 2013 by Drugs.com

SUNDAY, July 21 – Researchers have made the surprising finding that the "female" X chromosome may have an important function in sperm production. Women have two X chromosomes and men have an X and Y chromosome. This study found that large portions of the X chromosome have evolved to play a specialized role in producing sperm. And despite its reputation as the most stable chromosome of the genome, the X chromosome has actually been undergoing relatively rapid changes, according to the study published online July 21 in the journal Nature Genetics. Taken together, these two findings suggest that it's time to reexamine the biological and medical importance of the X chromosome, said the researchers at the Whitehead Institute for Biomedical Research in Cambridge, Mass. "We view this as the double life of the X chromosome," Whitehead director David Page said in an institute news release. "The ... Read more

Related support groups: Oligospermia, Hemophilia, Color Vision Defect (Acquired)

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