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House Apple Umbrella Chart, 3m 10/50
This chart is designed for vision testing at 3m and has a visual acuity range 10/50 to 10/8 (20/10 to 20/16 equiv). Two small groups 10/25 to 10/8 for repetitive eyesight testing (20/50 to 20/16 equiv).
Eye chart measures 23 X 35.5 cm and can be wall mounted or used with our SDT-399-LSV Illuminated Cabinet and is made of high impact polystyrene.
House, Apple, Umbrella test features two smaller groups toward the bottom of the chart. These groups aid in repetitive testing and help minimize memorization. House, Apple, Umbrella charts are useful for testing preliterate children and helps in school screenings.