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Assess the near visual acuity of 2- and 3-year-old children, or use the cards at any age (older than 2+ years) to train an amblyopic eye. Set contains 3 packs of 16 domino-like cards with a large symbol at one end and a small symbol at the opposite end. Symbol sizes are 3.2M and 0.8M, 2.... |
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Lea Hyvärinen, MD, PhD, has created numerous vision assessment and screening products since designing her LEA SYMBOLS® (apple, house, circle, square) in 1976. Over time, individualized eye chart variations using LEA SYMBOLS® were created for various vision screening programs. Dr.... |
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This card combines a LEA SYMBOLS® line test on one side and a LEA NUMBERS® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent. Attached 16-inch (40cm) cord ensures proper assessment distance. Response key printed on test card.... |
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The ICO Near Vision Card was developed by the Illinois College of Optometry. One side contains LEA SYMBOLS® with 50% spaced rectangle (MassTest™ format) with line sizes ranging from 20/100 to 20/16 (6/30 to 6/4.8) equivalent, 0.20 to 1.25. The opposite side contains proportionally-spaced... |
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This test is designed for testing patients' visual acuity during rounds and in similar situations with a need for quick testing. The test has proportionally spaced (logMAR) lines on one side and tightly crowded lines (50% spacing) on the reverse side Line sizes from 20/400 to 20/10 (6/120... |
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Spiral-bound, multisided, near eye charts with attached 16-inch cord.Sloan Letters for when children know their letters.LEA SYMBOLS® for preschoolers and for children who do not yet know their letters.Full-Line Threshold and Single-Line Critical Line formats:Threshold screening involves... |
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Near/Distance Vision Screening Kit with Tutorial DVDThe Near/Distance Vision Screening Kit, which debuted at National Association of School Nurses 2011 to support the Tutorial DVD, provides a portable, lightweight, and user-friendly way to screen the vision of preschool and school-aged... |