There are two types of light-sensitive cells in the human eye: (a) Where are they found? (b) What is each type called? (c) To what is each type of cell sensitive?

(a)  The retina contains both of the types of light-sensitive cells.
(b) Rods and cones are the names of these cells.
(c) While cones are sensitive to bright light, rods are sensitive to low light.