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"Love the new N+D4 lens.

I noticed the biggest improvement at dusk and my night vision was amazing."

Kim Townsend, Optician

Dr. Korthals & Associates

THE 4TH DIMENSION OF OPTIMIZATION FOR 
ENHANCED CLARITY AND CONTRAST IN NIGHT+DAY

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UNCOMPROMISING CLARITY

We are the only value-engineered

lens and coating experts that give progressive, independent optometrists liberation
from overpriced suppliers.

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CONTACT US

7440 East Karen Drive 

Suite #500
Scottsdale, AZ 85260

1-800-833-GSRX (4779)

(480) 748-4546 (f)

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Thank you! We will be in touch soon.