Refractive Accessories
Showing 253–264 of 430 results
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LEA NUMBERS Low Contrast Charts for Illuminated Cabinet
Read moreClick here to view the pdf catalogue A low contrast test is a special way tomeasure acuity to determine how […]
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LEA NUMBERS Low Vision Book
Read moreClick here to view the pdf catalogue LEA NUMBERS® low vision test is designed for examining children and adults with […]
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LEA NUMBERS Near Vision Card (16 inches/40 centimeters)
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines on oneside and more tightly-spaced numbers on theother. Line […]
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LEA NUMBERS Near Vision Chart
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; linesizes range from 20/400 to 20/10 (6/120 to6/3) equivalent. […]
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LEA NUMBERS Near Vision Charts
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to […]
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LEA NUMBERS Pocket-Sized Near Vision Card (16 inches/40 centimeters)
Read moreClick here to view the pdf catalogue Use this small pocket card to quicklydiscover whether a child’s or an adult’svisual […]
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LEA NUMBERS Response Key
Read moreClick here to view the pdf catalogue Response Key with LEA NUMBERS® optotypes. Printed on one side. . . . […]
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LEA NUMBERS Single Number Book (10 feet/3 meters)
Read moreClick here to view the pdf catalogue The LEA NUMBERS® Single Number Book is ideal for situations in which the […]
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LEA NUMBERS Translucent Chart (10 feet/3 meters)
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; line sizes range from 20/160 to 20/8 (6/48 to […]
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LEA NUMBERS Translucent Chart (20 feet/6 meters)
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; line sizes range from 20/80 to 20/8 (6/24 to […]
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LEA NUMBERS Translucent Distance Chart (10 feet/3 meters)
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; line sizes range from 20/125 to 20/8 (6/38 to […]
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LEA NUMBERS Translucent Distance Chart (13 feet/4 meters)
Read moreClick here to view the pdf catalogue Proportionally spaced (logMAR) lines; line sizes range from 20/100 to 20/8 (6/30 to […]
