Flipper set with acrylic stand. Each color coded flipper is marked with diopter power on handles. ALL GLASS OPTICS – no distortions and no yellowing.
Set with 6 flippers, plus and minus each of 0.25, 0.50, 0.75, 1.00, 1.50, 2.00.
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Flipper set with acrylic stand. Each color coded flipper is marked with diopter power on handles. ALL GLASS OPTICS – no distortions and no yellowing.
Flipper set with acrylic stand. Each color coded flipper is marked with diopter power on handles. ALL GLASS OPTICS – no distortions and no yellowing.
Set with 6 flippers, plus and minus each of 0.25, 0.50, 0.75, 1.00, 1.50, 2.00.
Brands | Good Lite |
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Testing Distance | 0.25, 0.50, 0.75, 1.00, 1.50, 2.00. |
Material | acrylic stand |
Sloan Letter charts calibrated to test visual acuity at an intermediate distance of 66 cm (26 in.).
This chart can either be wall mounted or used in an ESV 1200 , ESV 1500 , or a Model A illuminated cabinet.
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.