FRIDAY, June 29 (HealthDay News) -- The reason why women tend to need reading glasses sooner than men has been unclear, but a new report may shed light on the issue.
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Researchers say it isn't because eyesight starts to deteriorate earlier in women than in men. Instead, they suggest that because women's arms are shorter, they tend to hold reading materials closer to their eyes, which may affect focusing ability.
Although investigators found no significant gender-related difference in the ability to focus close up, the researchers found that compared with men, women needed higher-power lenses.
"These findings could impact global vision care in multiple ways," Adam Hickenbotham, of the University of California Berkeley, said in a news release from the Association for Research in Vision and Ophthalmology.
"The findings reinforce the need for presbyopia correction programs for women -- a group that often has greater unmet vision needs in developing countries. It also points out that presbyopia is a multi-factorial problem and requires solutions that are tailored to each individual," he added.
The study was published in a recent issue of Investigative Ophthalmology and Visual Science.
-- Mary Elizabeth Dallas
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SOURCE: Association for Research in Vision and Ophthalmology, news release, June 22, 2012