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Get Up to 25% OFF PPE MasksGowns * Limited time only.
SLI MEDICAL IS A WHOLESALE SITE! WE ONLY SELL TO QUALIFIED FACILITIES (Such As Hospitals, Physician Offices, & Distributors). All Addresses are Verified.
One side features diopter measurements from 20 to 2
One side features a ruler from 5 to 50 centimeters
One side that tests ages 8 through 48
One side that tests for convergence