Physics Tutorial: Refraction and the Ray Model of Light
What is short-sightedness or myopia? - The Wimpole Eye Clinic
Smile Optometrist - ✓Concave lenses are used in eyeglasses that correct myopia/short-sightedness. Because the distance between the eye's lens and retina is longer than it should be, such people are unable to
Defects of Vision
Myopia - Wikipedia
Uses of lenses to treat the vision defects | Science online
Myopia diagram hi-res stock photography and images - Alamy
Defects of Vision - Myopia, Hypermetropia, Presbyopia - Teachoo