Contrast Sensitivity

Visual edge detection test

$19.99 · Designed for iPad. Not verified for macOS.

iPad

Measure how well subtle differences in visual contrast can be detected with a fast, easy-to-use edge orientation test. Contrast Sensitivity Test presents progressively lower-contrast edges in different orientations. Simply identify the direction of each edge and the app automatically adjusts the difficulty to determine a contrast sensitivity score. Simple to use Clear instructions, large response controls and a straightforward testing sequence make the assessment easy to complete. Standardised testing Screen brightness and stimulus presentation are controlled during each test to support consistent, repeatable measurement. Clear results Results are presented in decibels (dB), with published age-based Melbourne Edge Test reference data available for context. Designed for repeat testing A quick, structured format makes it easy to repeat the assessment and observe changes over time. Built around established methods The testing approach uses a four-choice edge orientation task based on established contrast sensitivity assessment principles. Contrast Sensitivity Test is part of the NeuroTools collection of digital tools for measuring neurological, sensory and functional performance. Results are provided for informational and assessment purposes and should be considered alongside other relevant information.

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The developer, Clear Health Media, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • CHM Solutions Pty Ltd
    Size
    • 1.4 MB
    Category
    • Medical
    Compatibility
    Requires iPadOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 CHM Solutions Pty Ltd
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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