Eye Care Updates

colored contacts
18Oct, 2016

ALL IN THE NAME OF FASHION

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The FDA strongly discourages the use of non-prescribed decorative contact lenses, otherwise known as “fashion” contact lenses, which don’t correct vision, but only change the way eyes look. The FDA has cited dozens of reports of corneal ulcers (abrasions which can rapidly lead to vision-threatening infections) and other eye injuries linked to the products. The agency indicated that the unapproved and non-prescribed lenses sometimes led to injury that required corneal transplants to save eyesight. With this in mind, consumers shouldn’t wear decorative lenses unless they are properly prescribed and fitted […]
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reading glasses
21Sep, 2016

CORNEAL IMPLANT FOR PRESBYOPIA

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If you’re tired of reaching for your reading glasses, you may be interested in an FDA-approved implanted device that changes the shape of the cornea to improve near vision in those with “presbyopia” (age-related loss of near vision). The Raindrop Near Vision Inlay is a clear device composed of hydrogel material that resembles a miniscule contact lens. It is intended for individuals who have not had cataract surgery and who need to use reading glasses with +1.50 to +2.50 diopters of power, but do not need glasses or contacts for […]
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reading glasses
15Sep, 2016

BY 2050

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This week’s column emphasizes the importance of regular eye exams. The physicians and staff at MAYO EYE CENTER make a special effort to explain everything to you regarding your condition, medications, treatment, surgery, etc. If you are unsure or do not understand something, please do not hesitate to ask us.
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Contacts
8Sep, 2016

“SMART” CONTACTS

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One of the ways that ophthalmologists assess glaucoma patients’ risk of blindness is to monitor their “intraocular pressure” (inner eye pressure), which can rise high enough to damage their optic nerves. Such is the case with patients suffering from “open-angle glaucoma,” which accounts for about 90% of all cases. With this most common form of glaucoma, the eyes’ drainage canals become blocked over time, causing an increase of intraocular pressure and any resultant optic-nerve damage. With all this in mind, it is quite notable that researchers have recently developed a […]
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fallen elderly
2Sep, 2016

FALL PREVENTION

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About one-third of individuals over age 65 fall each year, and the risk of falling increases proportionally with age. By age 80, over half of seniors fall annually. As attention continues to focus on preventing falls (and consequent bone fractures, which may severely inhibit personal freedom), seniors may rightfully enlist the help of physical therapists, orthopedic surgeons, and even home remodelers. They may also want to add ophthalmologists to their lists. Not only has research shown that poor visual acuity increases seniors’ risk of falling, but there is also evidence […]
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heterochromia
18Aug, 2016

DIFFERENT-COLORED EYES

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The term “heterochromia” describes the condition in which a person has different-colored eyes. Whether we have blue, green, brown, or hazel eyes is determined by the amount of melanin that we have in our irises, the thin, circular structures that surround the pupils. In most cases, heterochromia is benign and does not affect health or vision. “Congenital heterochromia” refers to different-colored eyes that are present at birth or that develop in early childhood as the result of a genetic trait. Heterochromia can also be a symptom of another condition that […]
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smoking
9Aug, 2016

SMOKING’S EFFECT SIMILAR TO GLAUCOMA

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As if anyone needed another reason to give up the smoking habit, new research suggests that smoking damages the eyes in a way that resembles the effects of the early stages of glaucoma. In particular, researchers focused on smoking’s effect on the retinal nerve fiber layer (RNFL), which collects visual impulses from “photoreceptors” (light-sensitive cells known as “rods” and “cones”) and ganglion cells in the retina and transmits these impulses to the optic nerve. The RNFL of smokers who had smoked at least one pack of cigarettes a day for […]
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cataract diagram
3Aug, 2016

CATARACTS BY TYPE

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There are three primary types of age-related cataracts. A “nuclear sclerotic” cataract is characterized by clouding and hardening of the eye lens at its center. When a nuclear cataract first develops, it can bring about a brief improvement in near vision (“second sight”), which is only temporary. A “cortical” cataract forms on the periphery of the lens cortex and develops spoke-like projections that extend from the outside of the lens toward the center. A “posterior subcapsular” cataract begins at the back of the lens. This type of cataract may develop in those with diabetes or patients […]
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