LENS INDEX OPTIONS

1.56(CR-39) is the most basic material. We recommend this lens for patients with low prescriptions due to the thickness and weight of CR-39. This lens has no shatter but  with scratch resistance and Anti-reflective coating is an option.

Polycarbonate(1.59-PC) is the most common material used. It is shatter & scratch resistant, and is lighter & thinner than CR-39. We recommend this material for patients with a low to medium prescription. Anti-reflective coating is an option.

Trivex (1.60-MR8) is the newest material available on the market. This material is the most lightweight and provide the most clarity. We recommend this material for patients with a low to medium prescription. Anti-reflective coating is an option.

High Index 1.67 is great for patients with a medium to medium high prescription. This lens is about 20% thinner than polycarbonate. This material is recommended for customer who are concerned with thickness and/or wear large frames. Anti-reflective coating is highly recommended.

High Index1.71& 1.74 is the absolute thinnest lens available anywhere. We recommend this lens to patients with a medium high prescription to a high prescription. This lens is about 20% thinner than High Index 1.67. This material is recommended for customer who are concerned with thickness and/or wear large frames. Anti-reflective coating is highly recommended.

Index  1.80/1.90/2.0 is  with the material of glass. Glass lens has high hardness, scratch resistance, and is thinner than other materials. However, due to its high density, it is also relatively heavy, so it is suitable for special heights.