New Ways to Improve Tired Eye Correction
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Members of the Optics Institute of the Higher Council of Scientific Research (IO-CSIC) have participated in an international study by which new avenues have been opened to improve the correction of tired eyes, for which an index of visibility has been developed.
Between the ages of 40 and 50, almost everyone begins to have difficulty focusing objects closely, something very evident when trying to read a text, and to see it clearly, we have to keep it further away. It is because the lens — the natural lens of the eye — does not fit well and the image is formed behind the retina, rather than directly over it, which causes us to see the objects out of focus. This optical defect, called presbyxy or tired vi…
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