question: The lens focuses light on the retina , which covers the back of the inside of the eye. the retina has light-sensing photoreceptor cells called?
distractor3: tubes and rods
distractor1: cones and tubes
distractor2: holes and cones
correct_answer: rods and cones
support: The lens focuses light on the retina , which covers the back of the inside of the eye. The retina has light-sensing photoreceptor cells called rods and cones. Rods let us see in dim light. Cones let us detect light of different colors.