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Illustration of the chromatic targets (A,B), Landolt "ring," embedded... | Download Scientific Diagram
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Landolt C chart for an eye test. Ophthalmic test poster template. Flat vector illustration Stock Vector Image & Art - Alamy
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Visual Acuity Charts For Distance, Landolt rings, Schairer exclusive, NEW! - augenarztbedarf.de by Schairer Ophthaltechnik Vertriebsges. mbH
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