LEA SYMBOLS 10 Line Distance Chart Press-On optical quality

optical quality

Manufacturer Part Number: 03900

Convex shape follows curve of lens

optometrists who are trained and licensed to remove foreign bodies from the eye of a patient

The lens has a single reflecting surface which is the preferred standard for SLT procedures

LEA SYMBOLS 10 Line Distance Chart Press-On optical qualityManufacturer Part Number: 256000 Pediatric vision chart with LEA SYMBOLS for screening children ages 2 1 2 to 4. Proportionally spaced lines; line sizes range from 20 200 to 20 16 (6 60 to 6 4. 8) equivalent. The 20 160 (6 48) and 20 100 (6 30) lines have been omitted. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20 80 to 20 16 (6 24 to 6 4. 8) equivalent. Has a hole for hanging the chart on the wall. Includes