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Retinal Disorders News

Is Annual Eye Exam a Must for People With Type 1 Diabetes?

Posted 20 Apr 2017 by Drugs.com

WEDNESDAY, April 19, 2017 – People with type 1 diabetes face the risk of developing a disease that can cause blindness, so treatment guidelines have long called for annual eye exams. But new research suggests this one-size-fits-all advice is costly and ineffective, because people with a low risk may need less-frequent screenings while people at high risk may need to be seen more often. Diabetic retinopathy can damage the light-sensitive tissue at the back of the eye and trigger full vision loss, the researchers explained. Screening can catch this disease before irreparable damage is done, but not every person with diabetes faces the same risk. "For example, patients with no or minimal eye changes and good blood sugar levels might not need their next examination for another four years," said study author Dr. David Nathan. "On the other hand, if the patient already has developing eye ... Read more

Related support groups: Eye Conditions, Diabetes, Type 1, Dry Eye Disease, Retinal Disorders, Diabetic Macular Edema, Visual Defect/Disturbance, Diabetic Coma (in DM Type I)

Brain 'Rewires' to Work Around Early-Life Blindness

Posted 22 Mar 2017 by Drugs.com

WEDNESDAY, March 22, 2017 – Blindness at an early age triggers the brain to make new connections that enhance hearing, smell and touch, as well as memory and language, a new study suggests. Researchers used MRIs to scan the brains of 12 people who were born blind or lost their sight by age 3. The scans showed a number of changes in the brains of the people who were blind that weren't present in scans from people who could still see. Changes caused by early blindness "may be more widespread than initially thought," lead author Corinna Bauer, a scientist at Massachusetts Eye and Ear, said in a hospital news release. "We observed significant changes not only in the occipital cortex [where vision is processed], but also areas implicated in memory, language processing and sensory motor functions," added Bauer. Learning more about these connections could lead to more effective rehabilitation ... Read more

Related support groups: Eye Conditions, Retinal Disorders, Diagnosis and Investigation, Visual Defect/Disturbance

For Seniors, Treatment for One Eye Disease May Cause Another

Posted 16 Mar 2017 by Drugs.com

THURSDAY, March 16, 2017 – Drugs that preserve vision in people with the eye disease called age-related macular degeneration might increase the risk of another eye condition – glaucoma, a new study suggests. People who received at least seven eye injections of the drug bevacizumab (Avastin) each year to treat macular degeneration have a higher risk of eventually needing surgery to treat glaucoma, the Canadian study found. But, the researchers aren't suggesting that people forgo these treatments for macular degeneration. These drugs help stave off a previously untreatable cause of blindness in the elderly, and should continue to be used, the researchers said. And, if glaucoma does develop, treatments are available. "Even though there may be a risk here, this doesn't mean you should not be getting injections for macular degeneration," said study lead author Dr. Brennan Eadie. He's an ... Read more

Related support groups: Eye Conditions, Glaucoma, Glaucoma (Open Angle), Votrient, Macular Degeneration, Avastin, Sutent, Nexavar, Pazopanib, Stivarga, Sunitinib, Retinal Disorders, Glaucoma/Intraocular Hypertension, Sorafenib, Cyramza, Bevacizumab, Inlyta, Ramucirumab, Vandetanib, Cabometyx

Eye Exam Might Help Spot Poor Circulation in Legs

Posted 9 Mar 2017 by Drugs.com

WEDNESDAY, March 8, 2017 – Could a routine eye exam some day point to trouble with circulation in the legs? New research suggests it might be possible. Researchers at Johns Hopkins University in Baltimore said changes in the eye's retina may help spot people at risk for a narrowing of the large blood vessels in the legs – a condition called peripheral artery disease (PAD). "PAD is estimated to affect approximately 8.5 million Americans above the age of 40 years and is associated with significant morbidity, mortality and quality of life impairment," noted one heart specialist, Dr. Samy Selim. He's an interventional cardiologist at Northwell Health's Southside Hospital in Bay Shore, N.Y. And while the disability from PAD is serious and widespread, "physician screening for PAD is not satisfactory, to say the least," Selim said. The new study was led by Hopkins researcher Chao Yang and is ... Read more

Related support groups: Eye Conditions, Eye Dryness/Redness, Pre-Diabetes, Raynaud's Syndrome, Peripheral Arterial Disease, Diabetes Mellitus, Pyoderma Gangrenosum, Intermittent Claudication, Retinal Disorders, Eye Redness/Itching, Retinitis Pigmentosa, Chorioretinitis, Retinal Hemorrhage, Peripheral Arteriography, Arterial Thrombosis

'Halo' Effect Common After Lasik Eye Surgery

Posted 2 Dec 2016 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, Myopia, Visual Defect/Disturbance

Lengthy Space Missions May Harm Astronauts' Vision

Posted 28 Nov 2016 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

Nearly 6 in 10 Diabetics Skip Eye Exams, Study Finds

Posted 10 Nov 2016 by Drugs.com

THURSDAY, Nov. 10, 2016 – Almost two-thirds of people with diabetes don't get annual eye exams, despite having an increased risk for serious eye disease and vision loss, researchers say. About one in 10 Americans has diabetes. Having a dilated eye exam yearly or more often can prevent 95 percent of diabetes-related vision loss, the study authors said. "Vision loss is tragic, especially when it is preventable," study lead author Dr. Ann Murchison said in a news release from the American Academy of Ophthalmology (AAO). "That's why we want to raise awareness and ensure people with diabetes understand the importance of regular eye exams," said Murchison. She is director of the eye emergency department at Wills Eye Hospital in Philadelphia. The study included information from nearly 2,000 people aged 40 and older with type 1 or type 2 diabetes. The researchers found that 58 percent didn't ... Read more

Related support groups: Diabetes, Type 2, Eye Conditions, Smoking, Smoking Cessation, Diabetes, Type 1, Insulin Resistance, Pre-Diabetes, Diabetes Mellitus, Retinal Disorders, Diabetic Retinopathy, Abnormal Glucose Tolerance, Retinopathy, Visual Defect/Disturbance

Paintball Causes Many Vision-Robbing Eye Injuries

Posted 3 Nov 2016 by Drugs.com

THURSDAY, Nov. 4, 2016 – Paintball guns pose the greatest risk of vision loss among the sports most commonly associated with eye injuries, a new study finds. Basketball, cycling and baseball injuries to the eye occur more often than paintball-related eye accidents. But the popular air guns are far more likely to impair sight when an eye injury occurs, at least in the short term, researchers say. The findings emphasize the importance of eye protection, said Dr. Matthew Gardiner, director of emergency ophthalmology services at Massachusetts Eye and Ear in Boston. "It's important to be aware of the threat to vision in these activities and wear safety glasses," said Gardiner, who wasn't involved in the study. "Simple preventive measures can solve almost all these problems." The new report is the most extensive analysis of its kind, said lead author Dr. R. Sterling Haring, a research fellow ... Read more

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

Laser Pointers Can Cause Serious Eye Damage in Kids

Posted 1 Sep 2016 by Drugs.com

THURSDAY, Sept. 1, 2016 – Laser pointers may look harmless enough, but when children play with them kids can end up with blurry vision, blind spots or potentially permanent vision loss, eye experts report. A new study details the cases of four children, aged 9 through 16, whose horseplay with laser pointers caused dramatic injury to the retina, the light-sensitive tissue at the back of the eye that is essential to seeing clearly. The cases "bring to light this is happening more frequently," said study author Dr. David Almeida, an ophthalmologist in private practice in Minneapolis. "It was previously thought this was a one-in-a-million event. It's still probably a rare to uncommon reaction, but it's not a never reaction," Almeida said. Part of the problem is unreliable labeling of laser pointers, which are typically sold in office supply stores and online, the study found. Prior ... Read more

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

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

When Diabetes Strikes, Get Moving to Lower Risk to Eyes

Posted 4 Aug 2016 by Drugs.com

THURSDAY, Aug. 4, 2016 – People with diabetes who remain inactive may have higher odds for a vision-robbing eye condition, new research suggests. While the study couldn't prove a cause-and-effect relationship, researchers say a "couch potato" lifestyle does seem to raise the risk for diabetic retinopathy. According to the U.S. National Eye Institute, the condition "involves changes to retinal blood vessels that can cause them to bleed or leak fluid, distorting vision." Diabetic retinopathy is the most common cause of vision loss for people with diabetes. Could exercise – or a lack of it – affect risk for the disease? To find out, a team led by Paul Loprinzi at the University of Mississippi tracked outcomes for 282 U.S. diabetes patients. The patients averaged 62 years of age. Nearly one-third (29 percent) had mild or more severe diabetic retinopathy. Using an accelerometer device to ... Read more

Related support groups: Diabetes, Type 2, Eye Conditions, Insulin Resistance, Pre-Diabetes, Diabetes Mellitus, Retinal Disorders, Diabetic Retinopathy, Retinitis Pigmentosa, Abnormal Glucose Tolerance, Retinal Hemorrhage, Visual Defect/Disturbance, Retinal Vasculitis, Retinopathy Prophylaxis

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

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

Doctors Spot New Vision Problems in Babies Struck by Zika

Posted 25 May 2016 by Drugs.com

WEDNESDAY, May 25, 2016 – New eye problems in babies born with a Zika-related birth defect have been identified by researchers. The virus is known to cause microcephaly, in which infants are born with a smaller-than-normal head and brain. And previous research has found that one-third of Brazilian babies with microcephaly have eye problems such as ocular lesions, optic nerve abnormalities and chorioretinal atrophy, a withering of the retina and choroid. The choroid provides oxygen and nutrients to the retina. Now, this new report on three Brazilian infants with microcephaly identified three new eye problems: retinal lesions, bleeding in the retina and abnormal blood vessel development in the retina. The three infants also had the eye problems found in previous research. Since last spring, Brazil has been the epicenter of a Zika outbreak, and nearly 5,000 babies have been diagnosed with ... Read more

Related support groups: Hydrocephalus, Optic Nerve Disorder, Retinal Disorders, Brain Anomalies incl Congenital, Zika Virus Infection, Visual Defect/Disturbance

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, Retinal Disorders, Eye Redness/Itching, Visual Defect/Disturbance, Vitreomacular Adhesion, Color Vision Defect (Acquired), Refraction - Assessment

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