Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  shimmer, play(verb) a weak and tremulous light. 2  shimmer(verb) shine with a weak or fitful light. 3  shimmer(verb) give off a shimmering reflection, as of silk.
CONE CELLS are the second type of light sensitive cells in the retina of the eye. The human retina contains 6-7 million cones; they function best in bright light and are essential for acute vision (receiving a sharp accurate image).
What color is hard to see with its actual color? How you see color? How we see colour  We see colour with sensors in retina of the eye called rods and cones. The rods are sensitive to low light and the cones which require a greater intensity â¦of light, are sensitive to colour. Each cone contains one of the 3 pigments sensitive to either RED BLUE or GREEN.