11:08 duration 11 minutes 8 seconds
Focusing the Eye: Hyperopia and Myopia Part II
What is the difference between hyperopia and myopia? Explanation of myopia and hyperopia, focussing and corrective lenses
09:23 duration 9 minutes 23 seconds
Focusing the Eye: Hyperopia and Myopia Part I
What is the difference between hyperopia and myopia? Hyperopia, myopia, concave and convex lens