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Bangerter foil (occlusive foil) of 6 x 6 cm. Available in different grades.
Semitransparent LEA answering card with the four LEA ™ symbols house, circle, apple and square.
Fresnel prism foils, available in different strenghts. These foils are available from stock.
This Near Point Reading Card shows Letter Size, Point Size, Jaeger and Snellen in Meters and Ft. Covers J 12 to J1 (20/100 to 20/20).
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