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Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet. Includes response key, training cards, and instructions.10 feet/3 meters testing... |
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This near vision assessment has proportionally-spaced lines on one side and 50% spaced rectangle (Massachusetts Visual Acuity Test format) on the opposite side. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Response key printed on test card. Includes flash cards and... |
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Pediatric eye chart for vision testing children beginning at age 2 1/2 years. LEA SYMBOLS® pediatric symbols on one side, HOTV optotypes on the opposite. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/100 to 20/8 (6/30 to 6/2.4) equivalent. Has a... |
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Pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals beginning at age 2 1/2. Front side of eye chart features pediatric symbols in proportionally spaced lines (ETDRS format) for monocular (testing one eye with the other eye occluded) and... |
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Easily maintain interest and fixation with these Good-Lite® Fixation Cubes. Available as either white handled with LEA SYMBOLS® only or red handle with easy recognizable pictures and LEA SYMBOLS on top of cube.Combination LEA SYMBOLS and pediatric pictures with red handle has a center LEA... |
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LEA SYMBOLS® distance visual acuity test for the ETDRS Illuminator Cabinet. Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes response key, training cards, and instructions. 24.5" x 25.5" (62 cm x 65 cm).Available in 2... |
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These five LEA SYMBOLS® Cards can be used for presentation as single optotypes or arranged in a row as a line test. When the cards are next to each other, the space between the symbols is equal to the width of the symbols. To determine the visual acuity use the following formula:VA=... |
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LEA SYMBOLS® 10 Line Pediatric Distance Chart with 10' & 20' foot notations onlyPediatric vision chart with LEA SYMBOLS for screening children ages 2 1/2 to 4. Proportionally-spaced lines; line sizes range from 20/200 to 20/16 (6/60 to 6/4.8) equivalent. The 20/160 (6/48) and 20/100 (... |
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This test is the most commonly used test in the health care of children at the age of 3 to 4 years and in amblyopia screening in many countries.Proportionally spaced (logMAR); line sizes range from 20/200 to 20/16 (6/60 to 6/4.8) equivalent, 0.25 to 1.25. The 20/160 (6/48) and 20/100 (6/... |
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Pediatric vision chart with LEA SYMBOLS® for screening children ages 2 1/2 to 4. Proportionally-spaced lines; line sizes range from 20/200 to 20/16 (6/60 to 6/4.8) equivalent. The 20/160 (6/48) and 20/100 (6/30) lines have been omitted. 50% spaced rectangle (Massachusetts Visual Acuity... |