Illiterate Eye Chart Pictures

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Low Contrast Flip Chart with Lea Symbols

Low Contrast Flip Chart with Lea Symbols

Good-Lite (Formerly Richmond Products, Inc.)

  • Description: They employ Lea Symbols®. Contrast levels are the same at 25%, 10%, 5%, 2.5% and 1.25%. Each offers a different set of Lea Symbols® to guard against memorization. Also uses recording forms (P/N 215400). Legend card provided.
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Low Contrast Flip Chart with Lea Symbols

Low Contrast Flip Chart with Lea Symbols

Good-Lite (Formerly Richmond Products, Inc.)

  • Description: They employ Lea Symbols®. Contrast levels are the same at 25%, 10%, 5%, 2.5% and 1.25%. Each offers a different set of Lea Symbols® to guard against memorization. Also uses recording forms (P/N 215400). Legend card provided.
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Patti Pics™ 15 Line Folding Chart
  • Description: Patti Pics Folding Acuity Chart features two smaller groups of optotypes. These are intended for use in repetitive testing. By having multiple groups, the chance of memorization is minimized and more accurate results are yielded. This folding test is great for screening pediatric vision. MassVAT Designed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.
    • Notations for testing at 3 meters (10 ft.)
    • Measures 43 X 51 cm (17 X 20 in.)
    • Folds to 43 X 25.4 cm (17 X 10 in.)
    • Can be hand-held or wall-mounted
    • Includes response key (Cat.No. 2517 and 2518)
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Patti Pics™ Crowded Presentation Book
  • Description: Patti Pics have been developed for pediatric testing and are calibrated to Sloan standards. Each optotype follows a strict criteria. Each symbol has equal difficulty and blur at threshold. Also, the size of each symbol is based from the Snellen 5x5 grid principle. All Patti Pics symbols are easily recognizable and have high testability. Furthermore, Patti Pics make the transition from pediatric tests to adult tests easier, since they are based from the same standards as the adult tests. Mistaken loss or gain of lines is minimized. Patti Pics symbols are great for pediatric testing and are highly reliable.
    • Notations for testing at 3 meters (10 ft.)
    • Acuity range 9.5M to 2.4M (20/63, 6/19 to 20/16, 6/4.8 equiv.)
    • Center test symbol surrounded
    • 16 page spiral bound book
    • Great test for Amblyopia
    • Measures 13 X 13 cm (5 X 5 in.)
    • Includes response key (Cat.No. 2517 and 2518)
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Patti Pics™ Near Vision Eye Test Chart
  • Description: This near point vision chart features two smaller groups of optotypes for repetitive testing. This is helpful because two groups will lessen the possibility of unwanted memorization while testing. Non memorization leads to more accurate vision records and higher repeatability. Eye chart is great for testing pediatric patients.
      FRONT
    • Proportional spacing
    • Visual Acuity range 8M to .2M (20/400, 6/120 to 20/10, 6/3 equiv.)
    • Two smaller groups 2M to .20 M for repetitive vision testing (20/100, 630 to 20/10, 6/3 equiv.)
        BACK
      • MassVAT format
      • Visual Acuity range 2M to .32M (20/100, 6/30 to 20/16, 6/4.8 equiv.)
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Patti Pics™ Pocket Size Near Vision Card
  • Description: This Near Point card is great for testing pediatrics. Patti Pics optotypes are highly calibrated to Sloan optotypes and follow criteria such as the Snellen 5x5 grid, equal difficulty, equal blur at threshold, and high recognizability. Patti Pics are great for testing children. Back side of chart features a MassVat design that helps to isolate the lines and help ease testing. MassVat design also helps in the detection of diseases such as Amblyopia.
    • Recognizable symbols help keep the attention of children longer and make testing easier
    • Essential tool for screening near vision in children
    • MassVat design isolates optotypes
    • Double sided for repetitive testing
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