Getting new eyeglasses? The frames you select are what everyone will notice, but of course the lenses are responsible for correcting your vision.

You’re bound to be offered multiple options for lens materials, most commonly, high index and polycarbonate. If you’re like most, you probably put a lot more thought into selecting your frames than your lens material. Most customers base their decision on the price.

However, you should understand your choice will affect durability, visual clarity, and more. So we’ll examine the two most common lens materials here and present the advantages and disadvantages you should be aware of.