Contrast Sensitivity
Function Analyzer
A clinical-grade diagnostic tool measuring your visual contrast perception across multiple spatial frequencies using precision Gabor patches.
Initialize Calibration Sequence
Position yourself 40-50cm from the screen. For accurate results, ensure your screen brightness is at maximum and true-tone/night-shift is disabled.
Keyboard shortcuts: Left Arrow or Right Arrow
Diagnostics Complete
Spatial Frequency Curve
Log ContrastClinical Accuracy
Utilizes industry-standard Gabor patches (sine wave gratings with Gaussian envelopes) to isolate specific visual cortex processing pathways.
Early Detection
Contrast sensitivity decline is often the first indicator of ocular pathologies such as cataracts, glaucoma, and macular degeneration.
Performance Vision
Essential metric for night driving capabilities, aviation qualifications, and elite sports vision tracking.