Distance Vision

	LEA NUMBERS® Single Number Book The LEA NUMBERS® Single Number Book is ideal for situations in which the child/adult cannot perform when tested with a line test. This book can help determine the best resolution of the visual pathway in a child/adult with amblyopia or impaired vision. Single optotype line sizes range...
	LEA NUMBERS® Cards, 40M and 60M These five LEA NUMBERS® 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 numbers is equal to the width of the symbols. To determine the visual acuity use the following formula:VA=...
	LEA NUMBERS® Chart for Vision Rehabilitation This test is designed for testing children and adults with visual impairment at a distance of one meter. The LEA NUMBERS® in this assessment include the largest numbers being 50M in size, corresponding to 1m/50M = to 1/50 or decimal visual acuity 0.02, equivalent values 20/1000, 6/300....
	LEA NUMBERS® ETDRS-Style Translucent Chart Adult LEA NUMBERS® chart for ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets including both the ESV3000 and ESC2000.LEA NUMBERS® ETDRS-style chart contains optotypes in proportionally spaced (logMAR) lines; lines range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10...
	LEA NUMBERS® 12-Line Translucent Distance Chart Proportionally spaced (logMAR); line sizes range from 20/100 to 20/8 (6/30 to 6/2.4) equivalent, 0.20 to 2.50. This chart can either be wall mounted or used in ab ESV1200 or Model A+ illuminated cabinet.13 feet/4 meters testing distance
	LEA NUMBERS® 13-Line Translucent Distance Chart 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.10 feet/3 meters testing distance
	LEA NUMBERS® 15-Line Distance Chart This test is designed for vision screening at schools and assessment of vision of children with special needs beginning with age of 5 years. Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Has hole for hanging on the wall. 18...
	LEA NUMBERS® 15-Line Translucent ETDRS-Style Distance Chart for ESV3000 Cabinet LEA NUMBERS® ETDRS distance chart with proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50.Available in three different versions of mixed/scrambled order when repetitive testing is involved. These charts fit ESV3000 Standardized...
	LEA SYMBOLS® Distance Vision Screener This test is designed for amblyopia screening and testing children who have difficulties when tested with the standard distance charts (#250250 or #250150). The background is gray with the exception of a white rectangle spaced at 50% surrounding each line of symbols. Line sizes...
	LEA SYMBOLS® Massachusetts Screening Flip Chart Pediatric vision screening test with LEA SYMBOLS® designed specifically for the Massachusetts Preschool Vision Screening Protocol. Includes one practice card, two line sizes of 20/40 for 3 year olds, two lines sizes of 20/32 for 4+ year olds, response key, flash cards, and Massachusetts...