Combination Sloan Letter & Astigmatic Wheel Chart

Combination Sloan Letter & Astigmatic Wheel Chart

800718
  • $28.00
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A translucent distance visual acuity chart with both Sloan Letters and an Astigmatic Wheel. The Sloan Letter optotypes are linear-spaced with a line size range from 20/40 to 20/16 (6/12 to 6/4.8). This combination chart can be used in Good-Lite's illuminated ESV1018 or hung on a wall.

Dimensions: 10" x 18" (25.4 cm x 45.7 cm).

Testing distance: 20 feet/6 meters.

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