A 20-year study involving nearly 2,000 patients ages 43 to 86 showed that those who took vasodilators to control their hypertension were 72% more likely to develop early age-related macular degeneration, and those who received oral beta blockers had a 71% higher risk of developing exudative AMD. Further studies need to be done before recommendations can be made to change prescriptions, researchers said. The findings were published in Ophthalmology.

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