Vitamin D deficiency associated with dry eyes
Vitamin D is known to play many important roles in our bodies, but new research suggests that the vitamin could also affect the development of dry eyes. The study, published in the International Journal of Rheumatic Diseases, found that a vitamin D deficiency can lead to impaired tear function and, eventually, dry eye syndrome.
The research team behind the study, lead by Pelin Yildirim of the Kocaeli Derince Training and Research Hospital in Turkey, observed two groups of women: one group of 50 who were pre-menopausal with a vitamin D deficiency and another of 48 who served as the control group.
The researchers found that the participants with vitamin D deficiencies scored lower on most in the series of tests, including Schirmer's test, which measures whether or not the eye produces enough tears. These results indicate that vitamin D plays a sort of protective role in the eye.
"Dry eye and impaired tear function in patients with vitamin D deficiency may indicate a protective role of vitamin D in the development of dry eye, probably by enhancing tear film parameters and reducing ocular surface inflammation," the study explained.
With this information, the researchers suggest that, in the future, patients with vitamin D deficiencies should also be evaluated for dry eye syndrome. The results from this study present yet another benefit to having more vitamin D in your diet, which also includes maintaining healthy bones and staving off certain diseases.
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