Wiktionary
eyeshine
n. A visible effect of the tapetum lucidum, causing the pupil to appear to glow when a light is shone into the eye.
Usage examples of "eyeshine".
Long before Pruitt reached the gate, her dog -- so black Denny could see nothing but teeth and eyeshine -- had rushed up and was growling through the woven wire.
Hairy weeds grew in the leeward shelter of boulders, and every now and then Raif would catch the eyeshine of tundra foxes.