What is the difference on index numbers? What are those for? - Buy Cheap Glasses Online, Prescription Glasses Frames Expert

Naima Eyeglasses · #1 (**permalink**) 09-23-2010, 10:21 PM

I see options for lens package with different index numbers. And I don't understand what are those for? What is the difference on index numbers?

Nyasia Eyeglasses · #2 (**permalink**) 01-25-2011, 04:28 AM

The higher the index number, the thinner the lenses are.

Karissa Eyeglasses · #3 (**permalink**) 05-12-2011, 11:48 PM

Quote:

Originally Posted by Naima Eyeglasses

I see options for lens package with different index numbers. And I don't understand what are those for? What is the difference on index numbers?

The high index lenses are more thinner which also means they are more light weight. High index lenses are recommended for high prescription lenses and for RIMLESS style glasses.

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