The important thing is the oil of tears.

2022/03/04

Nikkei News Paper

An article titled “Painful Dry Eye” was published in The Nikkei (Nihon Keizai Shimbun) (2022,2,26)　Link

The important thing is the oil of tears.

Tears consist of 99% water (liquid layer) and 1% fat. Recent studies have shown that insufficient type of dry eye accounts for more than 86% of all dry eyes.
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