The Teller Acuity Cards® is a test of grating acuity for infants, young children and individuals with disabilities utilizing a preferential looking technique. This test has an extensive evidence base in normative and clinical studies that provide a strong foundation for applications in ophthalmology, optometry, and developmental practice. The test is cited more often than any similar product in the health information compiled by The National Library of Medicine.
16 cards make a full set and include a Blank and gratings from .23 to 26.0 cpcm. All cards measure approximately 25.5 x 55.5 cm (10 x 22 inches). An instruction manual is included with set.
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