In patients with dry eye disease, there was an increase in ocular discomfort and a decrease in tear secretion following short-term exposure to increased ground-level ozone concentration, according to a Korean study.
Yewon Kim, MD, and colleagues investigated the changes in clinical features of patients with dry eye disease in relation to short-term outdoor ground-level ozone exposure.
“To the best of our knowledge, there have been no well-designed prospective clinical studies to investigate the changes in the symptoms and signs according to ozone exposure in patients with DED,” Kim
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