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October 2006 Briefing - Ophthalmology

Here are what the editors at HealthDay consider to be the most important developments in Ophthalmology for October 2006. This roundup includes the latest research news from journal articles, as well as the FDA approvals and regulatory changes that are the most likely to affect clinical practice.

Exercise May Protect Against Age-Related Macular Decline

TUESDAY, Oct. 31 (HealthDay News) -- Regular physical exercise may protect against age-related macular degeneration (AMD), according to a study published online Oct. 31 in the British Journal of Ophthalmology.

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Glucose Test Can Identify Conjunctival Hyperreactivity

MONDAY, Oct. 30 (HealthDay News) -- A hyperosmolar provocation test can predict conjunctival hyperreactivity in patients with ocular discomfort regardless of whether they have allergy, according to the results of a study published in the October issue of the Journal of Allergy and Clinical Immunology.

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Decorative Contact Lenses Under U.S. FDA Jurisdiction

MONDAY, Oct. 30 (HealthDay News) -- The U.S. Food and Drug Administration has issued a warning about the serious risks of using decorative contact lenses and notes that since an amendment to the Food, Drug and Cosmetic Act in November 2005, all contact lenses are considered medical devices under the FDA's jurisdiction.

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HTRA1 Gene Linked to Wet Macular Degeneration

FRIDAY, Oct. 20 (HealthDay News) -- A variation in the HTRA1 gene increases the risk for wet, or neovascular, age-related macular degeneration (AMD), according to two new genetic studies of Asian and white populations. The reports are available in the Oct. 19 online edition of Science.

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Brain Abnormalities Observed in Migraine Patients

FRIDAY, Oct. 20 (HealthDay News) -- Migraine patients appear to have increased thickness in two areas of the brain cortex associated with motion-processing, according to a study published in the October issue of the open-access journal PLoS-Medicine.

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Vision and Hearing Loss Go Hand-in-Hand in Older Adults

WEDNESDAY, Oct. 11 (HealthDay News) -- Older adults with vision loss are more likely to be hearing impaired than adults without vision loss, according to a study published in the October issue of the Archives of Ophthalmology. The findings suggest that such sensory impairments may share common risk factors or biologic aging markers including exposure to oxidative stress, atherosclerosis or cigarette smoking.

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Ranibizumab Slows Macular Degeneration

WEDNESDAY, Oct. 4 (HealthDay News) -- Ranibizumab -- a humanized monoclonal antibody Fab targeting vascular endothelial growth factor A -- prevents visual decay and can even improve visual acuity in patients with neovascular age-related macular degeneration, according to the results of two large, randomized trials published in the Oct. 5 issue of the New England Journal of Medicine.

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Common Antibiotic Works Against Eye Lymphoma

WEDNESDAY, Oct. 4 (HealthDay News) -- Doxycycline is a safe and effective treatment for ocular adnexal lymphoma linked to chlamydia infection, researchers report in the Oct. 4 issue of the Journal of the National Cancer Institute.

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