The lens focuses the light on the retina at the back of the eye. Because the front of the eye is curved, it bends the light as it goes in, turning the image on the retina upside down. Inside the ...

If you wear contact lenses, it's important to take care of them to help keep your eyes healthy and infection-free. Throughout the day, proteins found naturally in your eyes, along with bacteria ...

It helps protect your eyes by cutting through glare and preventing eye strain. Brown sunglass lenses also enhance warm colors and brighten your vision. According to VSP Vision Care, the high ...

Getting light to hit our retinas depends on different parts of the eye working together. First, the light goes through the ...

When you wear contact lenses, they should float on the surface of your eye. They can slide slightly with every blink but generally stay in sync with your eyeball. Clear vision and comfortable ...

If evolution occurs through gradations, the critics say, how could it have created the separate parts of the eye -- the lens, the retina, the pupil, and so forth -- since none of these structures ...

Smart, connected contact lenses are in the works, and they can do everything from record video ... objects or video directly onto the wearer’s eye. Controlled through the wearer’s smartphone ...

Monovision is the name given to the art and science of fitting contact lenses on a patient ... for people who like to do a lot of reading. Although monovision does not work for everyone, it ...

People do not usually ... about laser eye surgery. During cataract surgery, a surgeon inserts an intraocular lens (IOL). Medicare may not cover all types of IOLs. However, it does pay for ...