Pelli-Robson Contrast Sensitivity Chart – Sloan Letters, 1 m Testing Distance (Chart 1, Chart 2, or Set)

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The Original Pelli-Robson Contrast Sensitivity Chart is a widely cited standard for measuring contrast sensitivity in clinical practice and vision research. It uses traditional Slo an letters that get lower in contrast across the chart, so you can assess low-contrast vision with a consistent, repeatable test. Key features Traditional Sloan optotypes Designed for a 100 cm (1 meter, approx. 39 in) testing distance Wall-mounted chart format Available options Set: Chart 1 and Chart 2 (SKU 658750-00) Chart 1 only (SKU 658750-01) Chart 2 only (SKU 658750-02) Typical users: eye care clinics, low-vision services, and research labs that need a standardized contrast sensitivity test. Show more