先日Twitterで得た知識ですが、プールで目がしみるのは、、、
誰かさんのおしっこのせいでした！
https://www.optex.co.jp/solutions/reddening_of_the_eyes.html
Share this content:
<a href="https://www.geograph.org.uk/photo/4770314" rel="nofollow">The Royal Commonwealth Pool, Edinburgh</a> by <a href="https://geograph.org.uk/profile/15498" rel="nofollow">M J Richardson</a> is licensed under <a href="https://creativecommons.org/licenses/by-sa/2.0/" rel="nofollow">CC-BY-SA 2.0</a>