noun
- Plural of photopia; vision in bright light conditions, mediated primarily by cone cells in the retina.
Usage: technical; ophthalmology/vision science
Examples
- Photopias occur when the eye is exposed to high levels of illumination.
- The study compared photopias and scotopia to understand how vision adapts to different lighting conditions.
- Under photopias, color discrimination is much sharper than in dim light.
- Researchers measured cone cell activity during photopias to assess visual acuity.