ETDRS chart – Landolt rings, 4 m

Popis

ETDRS chart – Landolt rings,

translucent LogMAR chart for 4 m distance,

VA from 0.10 to 2.00,

Format: 62 cm x 65 cm,

illuminated cabinets allow for the indirect and constant illumination of VA charts, thus testing VA as well as Low Contrast under standard conditions (e.g. ETDRS Viewer, art-no. ‚52069),

the VA charts for the illuminated cabinets are t