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Myopia News

'Halo' Effect Common After Lasik Eye Surgery

Posted 1 day 19 hours ago by Drugs.com

FRIDAY, Dec. 2, 2016 – Nine out of 10 Lasik laser eye surgery patients report satisfaction afterwards. But a sizable percentage experience new visual disturbances – like seeing halos around lights – up to six months after the procedure, a new study finds. "While Lasik has long since been proven safe and effective over decades of use, a small but significant subset of patients report post-operative effects including glare, halos and other vision symptoms, as well as dry eyes," said Dr. Christopher Starr. He's an associate professor of ophthalmology at Weill Cornell Medicine/NewYork-Presbyterian Hospital in New York City. "These effects typically resolve over time, either during the healing process, which can take up to 12 months, or with additional treatments if needed," said Starr, who wasn't involved in the new study. Of hundreds of patients surveyed, fewer than 1 percent said any ... Read more

Related support groups: Eye Conditions, Retinal Disorders, Visual Defect/Disturbance, Myopia

Can Extra Time Outdoors When Young Reduce Nearsightedness?

Posted 2 days 15 hours ago by Drugs.com

THURSDAY, Dec. 1, 2016 – Spending more time outside early in life may offer some protection against nearsightedness, a new study suggests. The European study authors suspect that additional exposure to the sun's ultraviolet B (UVB) rays may play a role in reducing nearsightedness – the inability to see clearly at a distance, also known as myopia. "We found that higher annual lifetime UVB exposure, directly related to time outdoors and sunlight exposure, was associated with reduced odds of myopia," the study authors wrote. "Exposure to UVB between ages 14 and 29 years was associated with the highest reduction in odds of adult myopia," they added. The findings don't "add a lot to the picture" of current research that links nearsightedness to time outdoors, said Ian Morgan, a vision researcher and visiting fellow at Australian National University. He was not involved with the study. ... Read more

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Some Primates Have Vision Troubles as They Age

Posted 8 Nov 2016 by Drugs.com

TUESDAY, Nov. 8, 2016 – Just like humans, some primates start having difficulty seeing things up close as they age. Researchers reviewed photos of 14 wild bonobos as they groomed each other. The primates were between 11 and 45 years old. The older they were, the longer they stretched their arms as they groomed, the study reported. The findings were published Nov. 7 in the journal Current Biology. "We found that wild bonobos showed the symptoms of long-sightedness around 40 years old," study author Heungjin Ryu, from the Primate Research Institute at Kyoto University in Japan, said in a journal news release. "We were surprised that the pattern found in bonobos is strikingly similar to the pattern of modern humans," he said. There have also been anecdotal reports of similar behavior in chimpanzees. Long-sightedness might hinder the social lives of older bonobos and could explain why ... Read more

Related support groups: Myopia, Visual Defect/Disturbance

Undiagnosed Eye Problems Pose Risks for Migrant Farm Workers

Posted 10 Oct 2016 by Drugs.com

MONDAY, Oct. 10, 2016 – Vision problems are common among migrant farm workers, but many never get eye exams, a new study shows. Researchers studied 289 Hispanic migrant farm workers in North Carolina who did not use eyeglasses. About three-quarters of them had never had an eye exam. Of those, 70 percent said they never considered having one, and 14 percent cited cost or lack of insurance. Vision tests found that about 2 percent of the farm workers had moderate to severe problems with distance vision. About 7 percent had impaired near vision. Predictably, older workers had more problems with their eyesight. Twenty-one percent of those 40 and older had moderately to severely impaired near vision. About 5 percent had distance vision problems. Among younger workers, 0.5 percent had trouble with either near or distance vision. "Vision examinations indicate that a number of farm workers ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Myopia

Laser Device Approved for Nearsightedness

Posted 14 Sep 2016 by Drugs.com

WEDNESDAY, Sept. 14, 2016 – The VisuMax Femtosecond Laser has been approved by the U.S. Food and Drug Administration to treat nearsightedness in candidates 22 and older. Nearsightedness, medically called myopia, is present when a person can see close objects clearly, but not objects farther away. Common causes include a misshapen cornea or excess length of the eyeball, the FDA said in a news release. The procedure to permanently reshape the cornea is not appropriate for everyone, the agency said. Of 328 people clinically evaluated six months after having the surgery, 88 percent had 20/20 vision, the FDA said. The most common complications from the procedure included surgical debris, dry eye, glare and the appearance of a halo. The device is produced by Carl Zeiss Meditec Inc., based in Dublin, Calif. More information Learn more about this approval from the FDA. Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Myopia

Does Your Child Need Eyeglasses?

Posted 19 Aug 2016 by Drugs.com

FRIDAY, Aug. 19, 2016 – Nearly 80 percent of what kids learn in their first 12 years is through their vision. Your back-to-school checklist should include making sure your child's eyesight is OK, an eye expert says. "Glasses may be the most important back-to-school supply many children get this year," Eileen Gable, a Loyola University eye specialist, said in a university news release. Vision problems are the fourth most common disability in children. But they often go undetected, she noted. "Vision is complex and tricky for family members to assess. Children with normal sight in just one eye can appear to see really well when, in fact, they do not. Not having good vision in both eyes can cause poor depth perception and, if left untreated, can last a lifetime and limit career choices," Gable said. Look to your child's behavior for clues that he or she isn't seeing clearly. "If your ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Myopia

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

FDA Approves Eye Implant for Aging Boomers

Posted 1 Jul 2016 by Drugs.com

THURSDAY, June 30, 2016 – An implant that helps the aging eye focus on small print and nearby objects has been approved by the U.S. Food and Drug Administration. The implant is placed in the cornea (the clear, front surface) of one eye in people with presbyopia, an age-related loss of the ability to change the focusing power of the eye. "Given the prevalence of presbyopia and the aging of the baby boomer population, the need for near vision correction will likely rise in the coming years," Dr. William Maisel said in an agency news release. Maisel is deputy director for science and chief scientist in the FDA's Center for Devices and Radiological Health. The implant resembles a tiny contact lens smaller than the eye of a needle. It is approved for use in people aged 41 to 65 who have not had cataract surgery, can't focus clearly on near objects or small print, and require reading glasses ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Myopia

Nearly 10 Million Americans Are Severely Nearsighted

Posted 21 Jun 2016 by Drugs.com

TUESDAY, June 21, 2016 – About 9.6 million Americans are severely nearsighted, a new study finds. Rates of nearsightedness – also known as myopia – in the United States rose from 25 percent in the early 1970s to 40 percent around 2000, the study authors said. Most cases of nearsightedness can be corrected with eyewear or surgery. However, severe nearsightedness can cause complications that threaten vision. The new study is based on federal data, plus an analysis of an American Academy of Ophthalmology database. The researchers estimate that nearly 820,000 Americans have a degenerative form of myopia called progressive high myopia, which can cause weakening of the retina. More than 40,000 of these individuals may also develop an even more serious condition called myopic choroidal neovascularization. This is "a severe complication of myopia with abnormal fragile blood vessels growing ... Read more

Related support groups: Eye Conditions, Retinal Disorders, Pupillary Dilation, Chorioretinitis, Chorioditis, Visual Defect/Disturbance, Myopia, Retinal Hemorrhage

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)

Bifocals Might Trip You Up

Posted 9 Jun 2016 by Drugs.com

THURSDAY, June 9, 2016 – Wearing bifocals or progressive lenses may cause visual blurring. And that puts older people at risk of making a misstep and falling, researchers say. The effects of blurry vision on stepping accuracy were greatest when study participants were looking ahead of where they were stepping, the findings showed. The results serve as a reminder to watch your step, the researchers said. Beyond that, "our findings ... support the benefits of gaze training to maintain gaze position on stepping locations when undertaking precision stepping tasks," wrote Alex Black and colleagues at Queensland University of Technology in Australia. Black suggested that this could improve stepping accuracy and minimize the risk of slips and trips. For the study, the researchers asked 19 older adults, average age 72, to do a series of "precision stepping tasks" while wearing their normal ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Prevention of Falls, Myopia

Music Soothes Nervous Eye Surgery Patients

Posted 29 May 2016 by Drugs.com

FRIDAY, May 27, 2016 – Listening to relaxing music before eye surgery reduces patients' anxiety and their need for sedation, a new French study suggests. "Music listening may be considered as an inexpensive, noninvasive, non-pharmacological method to reduce anxiety for patients undergoing elective eye surgery under local anaesthesia," said lead researcher Dr. Gilles Guerrier, from Cochin University Hospital in Paris. The study included 62 people who had outpatient cataract surgery while awake and under local anesthesia. The surgery lasted an average of 15 minutes. Some patients listened to relaxing music through headphones for about 15 minutes before their surgery, while others did not. Those who listened to music could choose from 16 styles, such as jazz, flamenco, Cuban, classical and piano. Compared with those who did not listen to music, patients in the music group had much lower ... Read more

Related support groups: Anxiety, Anxiety and Stress, Eye Conditions, Cataract, Ophthalmic Surgery, Myopia, Ophthalmic Surgical Staining, Corneal Refractive Surgery

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)

More Computer Time May Be Causing Nearsightedness in U.S. Kids

Posted 25 Dec 2015 by Drugs.com

THURSDAY, Dec. 24, 2015 – Children who spend lots of time indoors and on computers and other electronic devices may be raising their risk for nearsightedness, a panel of U.S. ophthalmology experts suggests. The prevalence of Americans with nearsightedness – also known as myopia – has nearly doubled over the last 50 years, the ophthalmologists noted. The ophthalmologists suspect the increase is due to "near work" – focusing on something close to your eyes – and the decreased amount of time spent outdoors in natural light. "Kids are spending much more time doing indoor activities with their cellphones, iPads, computers, and so on," said Dr. Rohit Varma, director of the University of Southern California Eye Institute in Los Angeles. "Especially when children are young, when they play these games indoors where they're seeing things very close to them and doing it in low-light level – ... Read more

Related support groups: Eye Conditions, Visual Defect/Disturbance, Myopia

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