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Old 01-18-2010, 04:31 PM
LeeRoberts LeeRoberts is offline
Contact Lenses Forum - Bachelors Degree
 
Join Date: Nov 2007
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Default Modulus

Quote:
Originally Posted by EYEBIKE1 View Post
Another example, even though both the 8.3/14.0 Advance and Acuvue 2 have the same nominal measurements, the 8.3 Acuvue 2 can fit a steeper cornea than the Advance because of the stiffer modulus of the Advance--means it doesn't drape the cornea as well. Even people with same corneas (curvature) but different widths (corneal diameter) may end up needing a different lens.
That's a great point, Eyebike1. I didn't know that the stiffness of the lenses factored into how well they fit, but it makes sense now that you mention it.
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