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Displaying news items tagged with AMD (More tags »)
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DNA double-helix molecule
Feb 27, 2012
A new study finds that genes in different pathways influence progression to different stages of age-related macular degeneration (AMD). AMD is known to be influenced primarily by genetic factors, although environmental and behavioral factors also play important roles. Multiple studies have shown that several genes in the alternative complement...

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Calculator
Feb 26, 2012
When patients are told by their ophthalmologist that they have early signs of age-related macular degeneration (AMD), they often ask about the risk of their AMD progressing. Long-term epidemiological studies that have collected information on the prevalence, incidence, and natural history of AMD provide data to answer this question. These studies...

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Calculator
Feb 26, 2012
Researchers have designed a new risk assessment model for development of advanced age-related macular degeneration (AMD) incorporating phenotypic, demographic, environmental, and genetic risk factors. As progress in designing better preventive measures and earlier treatment options accelerates and new gene associations are identified that add...

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Macular degeneration
Feb 25, 2012
A new study finds that the gene for complement factor H (CFH) confers more risk to the bilaterality of geographic atrophy, whereas the gene for HTRA1/LOC387715 contributes more to the bilaterality of choroidal neovascularization (CNV). Because AMD is one of the most studied common eye diseases of the past 5 years, knowledge of its genetic basis...

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Vegetables are good for maintaining eye health
Feb 14, 2012
A new study finds that high dietary intake of nutrients with antioxidant properties reduces the risk of early AMD in those at high genetic risk. Therefore, clinicians should provide dietary advice to young susceptible individuals to postpone or prevent the vision-disabling consequences of AMD. The etiology of AMD is complex with both genetic...

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DNA double-helix molecule
Feb 14, 2012
Extensive epidemiologic and genetic analyses have lead to the conclusion that AMD, like many other chronic age-related diseases, results from the interplay of multiple environmental and genetic factors, which in combination account for development of the phenotype. The condition is strongly age-related, and tobacco smoking is the most consistent...

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Lutein supplement
Feb 12, 2012
A new study finds that lutein supplementation increases MPOD, and a correlation was found between the change in MPOD and the change in VA and MDLT such that patients who show a pronounced increase in MPOD also benefit in terms of visual function. Genetic and environmental risk factors for age-related macular degeneration (AMD) have been...

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A logMAR visual acuity chart
Feb 11, 2012
Lutein-only and zeaxanthin-only supplementation for 12 months each increased macular pigment optical density (MPOD) and improved visual function in men with mild to moderate age-related macular degeneration (AMD). Macular pigment is composed principally of 2 isomeric carotenoids, lutein (L), zeaxanthin (Zx), and the L metabolite meso-Zx (...

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Eggs
Feb 11, 2012
The findings of a meta-analysis indicate that dietary lutein and zeaxanthin is not significantly associated with a reduced risk of early AMD, whereas an increase in the intake of these carotenoids may be protective against late AMD. Dietary antioxidants, particularly lutein and zeaxanthin, are hypothesized to have the capacity to modulate...

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Racial groups
Jan 16, 2012
Age-related Macular Degeneration (AMD) has long been thought to be more frequent in non-Hispanic whites than in blacks in the United States. This was based on observations reported in clinical case series. The use of new AMD classification schemes and severity scales in large population-based studies has confirmed that non-Hispanic whites have...

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