Blue light is high-energy light in the visible electromagnetic energy spectrum. Some intense forms of blue light have similar frequencies to ultraviolet light and can penetrate the eye and reach the r...
Frames for children are made of plastic or metal, and many styles are intended to mimic unisex frames designed for adults. Kids are often drawn to these styles because they look more grown up. It's no...
If you're a parent looking for the right glasses for your kids, you probably know that walking into an optical store can be confusing. There's no shortage of glasses for kids, the question is figuring...
The most common eyeglass frames have two lenses attached to a frame that fits under the nose. Lightweight materials are used to relieve the burden and squeeze of these "nose pieces". In the colonies,...