Ohio State University Newborn Contrast Cards

The OSU Newborn Contrast Cards is a card-based test designed for use on infants under 6 weeks of corrected age (or under 46 weeks of gestational age). The test consists of 8 cards, each containing a visual contrast.

OSU Newborn Contrast Cards Set of 8 Contrast Cards including:

12.5 Michelson Contrast
17Michelson Contrast
17.5 Michelson Contrast
25 Michelson Contrast
35.5 Michelson Contrast
50 Michelson Contrast
71 Michelson Contrast
88 Michelson Contrast