The lens inside the eye is made up of water and proteins and works much like a camera lens, says Gretchyn Bailey, editor in chief of Optometry Times. The lens focuses “light onto the retina for clear vision” and also “adjusts the eye’s focus, letting us see things clearly both up close and far away.” However, when the proteins within the lense clump together, this obscures clear vision. “This is a cataract, and over time, it may grow larger and cloud more of the lens, making it harder to see,” says Bailey. [Read more…]