What Is Photorefractive Keratectomy (PRK)?
Photorefractive Keratectomy (PRK) is a form of eye surgery used to correct eye refractive errors such as myopia (nearsightedness), hyperopia (farsightedness), and astigmatism. PRK, sometimes also called superficial LASIK, is the original form of laser eye surgery. PRK is a type of laser eye surgery, similar to LASIK, that treats vision problems by changing the…
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Changes in the retina may be linked to parts of the brain of healthy individuals at risk of Alzheimer’s
[ad_1] In subjects who are cognitively healthy but have a high genetic risk of developing Alzheimer’s, correlations have been demonstrated between the retina and various brain structures which suffer changes as a result of the disease, such as the entorhinal cortex, the lingual gyrus and the hippocampus. This is the main conclusion of a study1…
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Researchers make progress toward a stem cell–based therapy for blindness
[ad_1] What if, in people with blinding retinal disorders, one could simply introduce into the retina healthy photoreceptor cells derived in a dish from stem cells, and restore sight? According to a news release form the University of Pennsylvania, it is a straightforward strategy to curing blindness, yet the approach has been met with a…
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Alternative delivery of glaucoma medications more than a dream
[ad_1] Reviewed by Sahar Bedrood, MD, PhD Glaucoma physicians are on the verge of stepping into the future with the development of alternative delivery methods of glaucoma medications underway, according to Sahar Bedrood, MD, PhD, a glaucoma specialist at Advanced Vision Care and an adjunct assistant clinical professor of ophthalmology at the USC Roski Eye…
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Artificial tear therapy for dry eye disease not quite as simple as it seems
[ad_1] July is Dry Eye Awareness Month, and as a result I have reflected on the most meaningful ways that we, as eyecare providers, can help our patients who suffer from this condition. Most would agree that therapeutic regimens for this chronic issue should be layered, starting with over-the-counter (OTC) solutions and expanding, when necessary,…
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Tools developed to identify risk of vision loss to diabetic retinopathy
[ad_1] Reviewed by Bobeck S. Modjtahedi, MD Investigators from Kaiser Permanente Southern California’s Eye Monitoring Center and Department of Research and Evaluation reported the accuracy of a new tool for predicting the 3-year risk of vision-threatening diabetic retinopathy (VTDR) in patients with type 2 diabetes mellitus. Speaking at the American Society of Retinal Specialists 2022…
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Blinding eye disease linked with heart disease and stroke
[ad_1] Patients with a specific form of age-related macular degeneration (AMD), a leading cause of blindness in the United States, are at significant risk for cardiovascular disease and stroke, according to new research from New York Eye and Ear Infirmary of Mount Sinai. This study, published in the July issue of Retina, is the first…
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Does Insurance Cover Lasik?
LASIK is considered a cosmetic surgery, and any insurance coverage would vary depending on whether or not a monthly premium is earmarked for coverage of the procedure. Because LASIK is an elective procedure rather than an essential one, it is highly unlikely that insurers will cover its entire cost; however, there are financing options available…
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Difference maps key to slowing keratoconus in patients
[ad_1] Reviewed by William B. Trattler, MD Keratoconus is a progressive disease that leads to steep and irregular shaped corneas with loss of best-corrected vison, and its progression can occur at any age. Although disease progression is usually more likely and rapid in children and young adults, it also can occur in patients in their…
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“Brain bleeds” in babies’ first year can lead to long-term sight problems
[ad_1] Severe “brain bleeds” experienced by some babies in the first year following their birth lead to long-term sight problems, researchers at the University of Bristol have found as part of a 10-year follow-up study. The study, published in the journal Developmental Medicine & Child Neurology, reviewed 32 children who had detailed assessments at 10- to…
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