Why Do People Need Bifocals?

Why Do People Need Bifocals?

The need for a bifocal in glasses often arises when individuals experience difficulties with reading and near vision. However, understanding the specific circumstances that call for a bifocal requires a comprehensive understanding of its purpose. With age, the natural...
Best Lens Materials for Glasses

Best Lens Materials for Glasses

Glasses, also known as eyeglasses, spectacles, or simply specs, have been around for centuries, helping people see better. They consist of a frame that holds two lenses which are mounted in such a way as to correct your eyesight. However, the lens material they are...
How are Prisms Used in Glasses?

How are Prisms Used in Glasses?

A prism is a piece of glass or plastic that is created to change the direction of light that goes through it. Prisms have many uses in optometry and in glasses. It is not uncommon to prescribe glasses that have a specific prism in the lenses to help with daily...