Purpose-built and pixel-perfect, ClearChart® family of digital acuity systems. ClearChart 4 meets all of your acuity testing needs with a wide selection of optotypes and special test charts.
Purpose-built and pixel-perfect, ClearChart® family of digital acuity systems. ClearChart 4P meets your polarized acuity testing needs with a wide selection of optotypes, special test charts, and enhanced features.
Purpose-built and pixel-perfect, ClearChart® family of digital acuity systems. ClearChart 4X meets your acuity testing needs with a wide selection of optotypes, special test charts, plus enhanced features.
By continuing to use the site, you agree to our Privacy and Cookie Policy, and Terms and Conditions.