A member asked:

Can an astigmatism prescription of 2.25x100 require a high index lens?

A doctor has provided 1 answer
Dr. Tim Conrad answered

Specializes in Ophthalmology

No: This could easily be done with a standard lens material. High index is nicer because it is thinner and lighter, but more expensive.

Answered 7/23/2013

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Related Questions

A member asked:

Could my prescription sound like I have hyperopia and astigmatism?

A doctor has provided 1 answer