Contact lenses definitely have some benefits over wearing eyeglasses, unfortunately, wearing contact lenses comes with a relatively common and sometimes dangerous side effect; contact lens intolerance. Contact lens intolerance—also known as CLI is a catch-all term for people who are no longer able to apply a lens to their eyes without pain.

Driving at night can be an extremely dangerous activity, especially when factors such as inclement weather, a tired driver, or a driver’s less-than-perfect vision are taken into account. However, there are many things drivers can do to make nighttime driving safer.

Is X-Ray vision possible?

Having different colour eyes, which is known as heterochromia, is a condition present in a significant number of the world’s population, including some of the most well-known actors, actresses, and entertainers.

As any scuba diver or snorkeler will surely tell you, underwater vision can be a fascinating and rewarding experience. The reason why your unaided vision goes blurry underwater requires a basic discussion of the behaviour of light rays and the human eye.