Good-Lite LEA SYMBOLS Proportional Spaced Chart
LEA SYMBOLS Proportional Spaced Chart
LEA SYMBOLS pediatric vision chart with 10ft and 20ft 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 or used in an ESV1200 ESV1500 or a Model A illuminated cabinet.