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.

Sunglasses aren’t just ideal tools for completing outfits. Apart from being great fashion accessories, the right pair of shades also provides excellent protection against glare, ultraviolet (UV) rays, and everyday physical hazards. One thing to keep in mind, however, is that not all kinds are created equal. Knowing what type of sunglasses to look for—and what defence they offer—is critical to making your next purchase.

Though I knew that the recovery from LASIK is usually quick and virtually painless, I was still nervous when I went in for my procedure.