ETDRS远用视力表-数字(271400)
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LEA NUMBERS® ETDRS 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 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 to 2.50. Fits in ESV3000 ETDRS illuminated cabinet.
10 feet/3 meter testing distance
规格
271400
品牌
GOOD-LITE(美国）
