| 摘要 |
An ophthalmic lens, comprising an optic including at least one photochromic region having a first chromaticity and a second region of lesser photochromaticity. A method of treating a subject having presbyopia or aniridia comprising applying to the subject's eye an ophthalmic lens comprising an optic including at least one photochromic region having a first chromaticity and a second region of lesser photochromaticity
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