LEA™-Kontrasttafel – Symbole 2,5 % sku_300936 28 cm – 32 cm

28 cm – 32 cm (Größe 3)

lichtdurchlässige Folien in: Lichtperzeption (minimal)

45 cm/m als Einzelprisma

semi-transparent

LEA™-Kontrasttafel – Symbole 2,5 % sku_300936 28 cm – 32 cmVA: from 0. 13 to 2. 5 (3 m) Format: 23 cm x 35. 6 cm Good Lite: 253800 All translucent LOGMAR charts were developed for the illuminated cabinets ESV 1200 and LH 700 (#52067 and 52068). The use with illuminated cabinets allows for a standardized testing of visual functions. LEA Symbols Translucent Low Contrast Charts for Illuminated Cabinet. A low contrast test is a special way to measure visual acuity; determining how well eyes function in low light