The Teller Acuity Cards are a classic test of visual acuity for infants, young children and individuals with disabilities. The extensive evidence-base gathered in their development and use provides a strong foundation for their application in ophthalmology, optometry and developmental practice.
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16 cards make a full set and include a Blank and gratings from .23 to 26.0 cpcm. Half sets include 8 cards ranging 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 each set.