1. of or relating to mesopic vision; occurring under low-light conditions where both rod and cone cells of the eye are active
Usage: technical; ophthalmology and vision science

Examples

• Meropic conditions occur during twilight when natural light is fading.
• The study examined how the eye adapts during meropic vision transitions.
• Meropic lighting levels are typically between 0.01 and 3 candelas per square meter.
• Drivers often experience meropic vision during dawn and dusk commutes.