Dry-eye syndrome in menopausal women is linked to reduced estrogen

According to recent research published in the journal Ophthalmologica, "there is evidence to suggest that estrogen influences lacrimal fluid peroxidase activity in women. In this study we investigated changes in peroxidase activity related to ageing and gender. These changes might help to explain the common problem of dry-eye syndrome in menopausal women."

"Unstimulated tears were collected from 70 healthy subjects of both sexes (age range 24-90 years). Tear samples were collected from 9 to 10 a.m., when peroxidase activity remained stable. In women, lacrimal fluid peroxidase...

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