From AquilaDigital Partnership:
NightVision is useful for astronomers and others who need to preserve dark adaptation while using the computer. NightVision controls the three gamma channels (red, green, and blue) independently. It also provides full control over preset gamma settings, fade rate, and bailout keys.
What's new in this version:
- Zero-length preset names now are disallowed.
- Fixed unexpected quit on Mac OS 10.1.5 when naming new preset.
- Slider gamma values now reportable as percentages (set via Preferences).
- Updated documentation.