New Research: Exercise May Reduce the Risk of Glaucoma

People who are doing moderate to vigorous physical activity may significantly lower their risk of glaucoma, according to research presented at the 121st Annual Meeting of the American Academy of Ophthalmology (AAO). Tseng et al from the University of California, Los Angeles (UCLA) reported a 73% lower incidence of glaucoma among the most physically active study participants, compared with the least active. 

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Dry Eye Assessment

Dry Eye occurs when there is inadequate tear film to protect the ocular surface. Symptoms include scratchy, gritty irritated eyes. Life expectancy, longer working careers, increased screen time, low humidity, metropolitan environment and diet are increasing the incidence of dry eye. Diabetes, smoking, contact lenses, eye surgery and medications can exacerbate symptoms. Mild dry eye can be annoyingly uncomfortable, and severe symptoms can limit activities such as work, socialising or travel, significantly reducing quality of life.

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Macular Degeneration Trigger Enzyme Discovered

The discovery of a crucial trigger for dry macular degeneration (AMD) – an enzyme called cGAS – could lead to the development of a drug to prevent disease progression. 

This discovery, at the University of Virginia School of Medicine, was a surprise. Drs. Jayakrishna Ambati and Nagaraj Kerur had determined that cGAS plays an important role in the body's immune response to infections detecting foreign DNA, but its role in dry AMD was unexpected. 

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