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Lengthy Space Missions May Harm Astronauts' Vision

Posted 9 days ago by Drugs.com

MONDAY, Nov. 28, 2016 – Researchers have pinpointed the cause of a vision problem affecting astronauts who have completed long-duration space missions. The condition – called visual impairment intracranial pressure (VIIP) – has been reported by nearly two-thirds of astronauts after extended time on the International Space Station. The astronauts experienced blurred vision and were found to have structural changes, such as flattening at the back of their eyeballs and inflammation in their optic nerves. VIIP is caused by changes in the volume of clear fluid found around the brain and spinal cord, according to the study. "People initially didn't know what to make of it, and by 2010 there was growing concern as it became apparent that some of the astronauts had severe structural changes that were not fully reversible upon return to Earth," study lead author Noam Alperin said in a news ... Read more

Related support groups: Eye Conditions, Retinal Disorders, Visual Defect/Disturbance, Refraction - Assessment

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), Glaucoma with Pupillary Block, Refraction - Assessment, 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, Ocular Herpes Simplex, Macular Edema, Diagnosis and Investigation, Retinal Disorders, Corneal Ulcer, Corneal Abrasion, Glaucoma/Intraocular Hypertension, Chorioretinitis, Strabismus, Vitreomacular Adhesion, Glaucoma (Narrow Angle)

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, Vitreomacular Adhesion, Color Vision Defect (Acquired), Refraction - Assessment

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