A member asked:

Need help. is 8.4 smaller closer to the iris and 8.7 wider around the iris area?

A doctor has provided 1 answer
Dr. Tim Conrad answered

Specializes in Ophthalmology

No: These numbers are the base curve of the contact lens. You need the one that matches your eye. Your eye doctor will provide this measurement.

Answered 6/24/2013

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