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  2. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    Studies have shown that incidence of dry eyes increases with age, [84] [85] especially among women. [86] Tear film stability (e.g. tear break-up time) is significantly lower among women than among men. In addition, women have a higher blink frequency while reading. [87] Several factors may contribute to gender differences. One is the use of eye ...

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