GLTGood Lite LEA NUMBERS ® Near Vision CardP14349284GLT-270900https://cdnimages.opentip.com/full/GLT/GLT-270900.jpgGood Lite LEA NUMBERS ® Near Vision Card This chart featuring LEA NUMBERS® is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties in seeing tightly crowded details. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00.Dimensions: 8\" x 10\" (20.3 cm x 25.4 cm).Testing distance: 16\"/40cm. Click here for the 270900 & 271000 Guide.Click here for the 270900 Answer Key.143492842.0000lbs1.0013.0015.00
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This chart featuring LEA NUMBERS® is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties in seeing tightly crowded details. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00.
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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