Contact lenses probably seem like a pretty recent invention, right?
Presbyopia, or farsightedness caused by reduced elasticity of the eye’s lens, affects nearly everyone older than 65.
If you wear glasses, you know the never-ending struggle to keep them clean of streaks, spots, smudges, and scratches.
The optic nerve is what transmits visual data from the eye to the brain.
Have your eyes ever felt gritty and watery after an outdoor adventure? Maybe you felt a burning sensation and suffered temporary vision loss?