1 doctor weighed in:

Foggy vision because of sleeping in contacts? When should eyes get back to normal?

1 doctor weighed in
Dr. Alfred H. Rivera
Ophthalmology

In brief: Up to 12 hours.

I am of the opinion that you should never sleep with your contacts on.
Even though the contact lens companies promote this, you are at greater risk of developing a corneal infection such as a corneal ulcer that can leave a permanent scar that might result in permanent decreased vision. I suggest daily wear disposable lenses. Remove your lenses immediately if you happen to sleep with them on.

In brief: Up to 12 hours.

I am of the opinion that you should never sleep with your contacts on.
Even though the contact lens companies promote this, you are at greater risk of developing a corneal infection such as a corneal ulcer that can leave a permanent scar that might result in permanent decreased vision. I suggest daily wear disposable lenses. Remove your lenses immediately if you happen to sleep with them on.
Dr. Alfred H. Rivera
Dr. Alfred H. Rivera
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