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Refraction devices

Acuity Chart 900

LCD vision chart

The Acuity Chart 900 is the optimal solution for digital vision testing. The system features a high-resolution 24" flat-screen display in 16:9 format (industry standard) with an integrated, high-performance computer. Available in polarized or non-polarized versions, it provides – when used in combination with the Refractor 900 – a precise, flexible, and comfortable testing environment for modern refraction.
01 Product information

Streamlined vision testing

Polarization

45°/135° polarization for precise testing

The Acuity Chart 900 delivers brilliant optotypes with high brightness. With its integrated 45°/135° polarization, it is perfectly suited for tests using polarized optotypes and provides reliable results.

Seamless integration

Operation via the Refractor 900 control panel

The Acuity Chart 900 is fully integrated with the Refractor 900 and can be conveniently operated via its ergonomic control panel. All functions are immediately accessible, ensuring an efficient and user-friendly workflow.

Optotypes & tests

Comprehensive range available

  • Sloan letters, Landolt rings, Tumbling E, numbers
    Children’s tests: LEA-like, Kolt symbols, Pigassou, & more
  • Special tests: Osterberg, Cowen, Schober, & others
  • Selectable in decimal, Snellen, or LogMAR formats
  • Additional tests such as ETDRS charts, education charts, & more.

Flexible display options

Standardized vision testing

Optotypes can be randomized and displayed via the Refractor 900 control panel. The Acuity Chart 900 supports both direct and mirror viewing, with a variable testing distance from 2 to 8 m. In addition, contrast tests and red-green balance checks are integrated. The Landolt rings comply with current EN ISO 8596 and 8597 standards, ensuring standardized and reliable testing.

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