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
Recenze
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