Nearsightedness is caused by a lack of cones in the retina,while farsightedness results from the deterioration of rods in the fovea.

Question

Quizplus · Accepted Answer

This statement is false. Nearsightedness is actually caused by the elongation of the eyeball, which causes light to focus in front of the retina instead of on it. Farsightedness, on the other hand, is caused by a shorter eyeball or a flatter cornea, which causes light to focus behind the retina instead of on it. Neither condition is directly related to the number of cones or rods in the retina.

Nearsightedness Is Caused by a Lack of Cones in the Retina,while