LEA SYMBOLS^® Pediatric vision chart with 10-foot and 20-foot notations only. Proportionally spaced (logMar) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key and instructions. This chart can either be wall mounted. LEA SYMBOLS^® Pediatric vision chart with 10-foot and 20-foot notations only. Proportionally spaced (logMar) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key and instructions. This chart can either be wall mounted. LEA SYMBOLS^® Pediatric vision chart with 10-foot and 20-foot notations only. Proportionally spaced (logMar) lines; line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent. Set includes response key and instructions. This chart can either be wall mounted.