The cornea was one of the first successful allografts using human tissue. Corneal transplantation involves removing the diseased cornea and replacing it with a new cornea (from a cadaver). Corneal transplantation is common in the United States, with about 40,000 procedures done each year. Performed when the eye disease cannot be treated noninvasively, corneal transplantation is usually indicated
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Corneal Transplantation
Posted by Bharat (#1) 4530 days ago (Editorial)What is histoplasmosis?
Posted by Bharat (#1) 4518 days ago (Editorial)
Histoplasmosis is a disease caused when airborne spores of the fungus Histoplasmacapsulatum are inhaled into the lungs, the primary infection site. This microscopic fungus, which is found throughout the world in river valleys and soil where bird or bat droppings accumulate, is released into the air when soil is disturbed by plowing fields, sweeping chicken coops, or digging holes. Any symptoms th
Optometrists are your eye doctors?
Posted by Bharat (#1) 4507 days ago (Editorial)
Optometrists specialize in examining, diagnosing, treating, managing and preventing diseases and disorders of the visual system, the eye and related structure, making Ontario’s optometrists your primary eye and vision health doctors. Recommended treatments for patients can include eyeglasses, contact lenses, special low vision aids, eye co-ordination exercises, drug therapies, or referral to appr
Vitamin A Improves Retinal Sensitivity in Premature Infants
Posted by Bharat (#1) 4500 days ago (Editorial)
For preterm neonates at risk of retinopathy, high-dose vitamin A supplementation started soon after birth produces a significant increase in retinal function, a Scottish group reports.They explain that retinaldehyde formed by oxidation of retinol is an essential component of rhodopsin in photoreceptors in the outer retina. Compared to term infants, preterm infants at term-corrected age have reduc
Glaucoma Management in Children May Improved by Home Measurement of Eye Pressure
Posted by Bharat (#1) 4490 days ago (Editorial)
Measurement of pressure within the eye, or intraocular pressure (IOP), is known to fluctuate throughout the day, and wide swings in patients with glaucoma are believed to be related to the progression of the disease, which can cause permanent damage to the optic nerve and vision. The clinical assessment of IOP, however, has been restricted to office visits during daytime hours. In a new study, pa
Eye And Brain Health Linked: Retinopathy Associated With Memory, Thinking Problems
Posted by Bharat (#1) 4479 days ago (Editorial)
Researchers from the University of California, San Francisco, found that people with retinopathy -- which is a condition where the retina of the eye is damaged as a result of vascular diseaseare also at an increased risk for thinking and memory problems. That's because the vascular disease that causes the retina damage may also be affecting the brain. Researchers tested the memory and thinking sk
Ophthalmologists Scarce in Both Poor and Rich Countries
Posted by Bharat (#1) 4469 days ago (Editorial)
There are too few ophthalmologists in both developing and developed countries, although projections paint a slightly rosier picture for the developed countries, where the number of ophthalmologists is increasing, although not as fast as the population of patients aged 60 years or older who require increased ophthalmology care.Serge Resnikoff, MD, PhD, from International Health and Development in
Will all of the screens in our lives force everyone into glasses?
Posted by Bharat (#1) 4455 days ago (Editorial)
For desk jockeys who stare at pixels all day, blurred vision, headaches and burning eyes are an occupational hazard with a name of its own: computer-vision syndrome.It’s a fancy term for computer-related eye strain. Although the symptoms are temporary, vision problems are a growing complaint among people who are glued to computers, smartphones and tablets, says the Canadian Association of Optomet