Farsightedness Glasses: Understanding Convex Lenses & Vision Correction

A farsighted person needs glasses that help them see things that are far away more clearly. These glasses are called "convex lenses" or "positive lenses". They are thicker in the middle than at the edges, which helps to focus light rays on the retina at the back of the eye. This allows farsighted people to see things that are far away more clearly.