A member asked:

How long does it take for punctual plugs to work?

A doctor has provided 1 answer

Immediate effect: These are plugs which sit in the top of the drainage tube for tears which might otherwise pass into the nose. The effect is on insertion and allows you to keep what tears you make and prolongs the effect of tear substitutes. They are a helpful adjunct to those with eye dryness.

Answered 2/6/2013

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