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The LEA SYMBOLS® Single Symbol Book is designed for testing children and adults who have difficulties in perception of symbols in lines. The visual acuity values measured with single symbols are often several lines better than the line acuity values in persons with impaired vision and... |
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This assessment is designed for amblyopia testing or screening. This near vision chart has 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/400 to 20/16 (6/120 to 6/4.8) equivalent. Attached 16-inch (40cm) cord ensures proper testing distance. Printed... |
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Pediatric distance vision chart with LEA SYMBOLS® pediatric symbols for screening or testing individuals beginning at age 2 1/2. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. Has hole for hanging the chart on... |
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Since 2001, the West Virginia Vision Initiative for Children (VIC), an outreach program of the West Virginia University Eye Institute, has trained, equipped, and supported individuals who are now able to screen preschoolers for vision problems. VIC is now making this easy kit available to... |
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Handheld pediatric vision chart with LEA SYMBOLS® is designed for amblyopia testing or screening. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/80 to 20/16 (6/24 to 6/4.8) equivalent. Pages are offset for easy flipping. Includes response key and... |
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This pediatric screening test was designed by West Virginia Vision Initiative for Children for quick amblyopia screening. This pass/fail wall chart contains two rows of LEA SYMBOLS®, one for each eye of critical line 20/40 for 3 years olds and 20/32 for 4 year olds and older. Includes... |
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LEA SYMBOLS® pediatric vision chart with 10' and 20' foot notations only. Proportionally spaced (logMAR) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key, flash cards, and instructions. This chart can be used in Good-Lite's illuminated... |
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This test is designed for testing children and adults with visual impairment at a distance of one meter. The largest symbols are 50M in size, corresponding to 1m/50M = to 1/50 or decimal visual acuity 0.02, equivalent values 20/1000, 6/300. The smallest symbols are 1M in size... |
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This easy to use visual acuity near vision card features Landolt C on one side and LEA SYMBOLS® pediatric symbols on the other. This assessment includes both sides having optotypes in proportionally spaced (logMAR) lines with line sizes ranging from 20/400 to 20/10 (6/120 to 6/3)... |
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LEA SYMBOLS® near vision pediatric chart for illuminated cabinet. 2 charts printed on one card for repetitive testing. Chart has Sloan letters in ETDRS format with proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Chart fits ESV1200,... |