However, these lenses have no visible lines, improving the cosmetic appearance of your lenses while providing clear natural vision at all distances. A thinner lens material ... lenses for your primary ...

These conditions all require different types of lenses. For example ... CR-39 (Plastic): This material is the go-to for ...

Your eyeglass prescription might be the same or different in both eyes. One lens can also have multiple types of vision correction. Glasses can cost, on average, $234 out of pocket. This price can ...

This type of lens is frequently used in place of other negative lenses for high-index infrared materials. They are useful for beam-expanding application, which require minimal spherical aberration.