Why is it necessary to rinse eyes for 15 minutes after getting a chemical in? Wouldn’t 1 minute be enough?
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You’re trying to alter the molality of whatever is in your eyes. It’s not a matter of time so much as volume. After fifteen minutes, the water will have rinsed so much out that what remains is so dilute you’re basically doing homeopathy. If you could get several litres of water directly in your eyes instantly (volumetrically impossible), then an eye wash would take a couple seconds. But you can’t, so you use a constant application over a longer period of time.
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