Super Pinhole Macula charts are used to determine potential acuity before cataract surgery.
LEA NUMBERS® chart for the Super Pinhole Macula Cabinet with proportionally spaced lines; line sizes range from 20/100 to 20/20 (6/30 to 6/6) equivalent. LEA Numbers Super Pinhole chart measures 10" x 10" (25.4cm x 25.4cm)
Testing distance of 5ft (1.5 m) for all Super Pinhole charts.
Przelicznik skali Decimal/Snellen
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