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2.5% Landolt "C" Chart for 13 feet (4 meters) Scrambled
Landolt "C" ETDRS Chart for 13 feet (4 meters) Scrambled
2.5% Landolt "C" Chart for 13 feet (4 meters)
2.5% ETDRS Sloan Letter Contrast Chart for 13 feet (4 meters)
