A member asked:

What causes gas permeable contact lenses to fog up? how can i prevent this?

A doctor has provided 1 answer

Dry eye: #1 issue is dry eye which leads to poor wet ability. 2nd is possible gpc allergy which needs assessment. 3rd..Old worn out rgp..May also look at newer rgp materials ; plasma coating. 4th insufficient cleaning system.

Answered 12/14/2020

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Thank

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