A pediatric vision chart with LEA SYMBOLS® for screening children ages 21/2 to 4. Features 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. The 50% spaced rectangles (Massachusetts Visual Acuity Test format) have 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. A response key and instructions are included.
Notations on the left side of the chart include actual letter size for 10 foot and 3 meter measurements. Equivalent letter size notations on the right side of the chart include 20 foot, 6 meter, decimal, and LogMAR measurements.
Dimensions: 16″ x 16″ (40.6 cm x 40.6 cm).
Testing distance: 10″/3 meters.