Wide Variety of Visual Acuity Charts
More than 100 charts are included to support a broad range of visual acuity and visual function tests. Standard chart options include Letter, Number, Landolt C, Snellen E, Children’s charts, and additional specialty examination charts.
Color Vision Testing
The system includes 12 charts for color blindness screening and 9 charts for classification of color vision deficiency levels.
Contrast Sensitivity Testing
Contrast sensitivity can be evaluated at multiple levels using letter charts and bar patterns. Test results are analyzed and displayed to support more detailed visual function assessment.
Advanced Hue Test
The HDC-9100N/PF supports professional color vision testing with 85 wavelength-diversified color charts as well as simplified testing using 15 color charts.

