Retinal disease chromatic pupil light reflex response:>
NO (or poor) RED – GOOD BLUE
Any degenerative or inflammatory disease affecting rods R) and cones (C), will result in the lack of rod-cone activation by red light, resulting in poor or absent PLR. Blue light will activate melanopsin ipRGC (blue cells) and will result in the normal pupil constriction.
SARDs pupil response white red blue
