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Trial Rings are standard size to be used in trial frames
Great diagnostic tool to help patients quickly compare tints.
Each lens is laser engraved with tint description and light transmittance.
Array of NoIR Medical Filters and Chadwick exclusive Filters on a Key Ring.
Chadwick Colors include 3 shades of FL-41, 3 shades of E-Blue, COI Plum, and COI 507
Contains popular colors from VA Polytrauma Centers, as well as filters recommended by NORA