Plastic
lenses are lighter than glass lenses and can be tinted to almost any color
and shade.
Thinner, lighter high-indexadvancements
in technology continue to give us thinner and lighter lenses for
your
stronger prescriptions.Comfort and
cosmetics without compromise.Examples: 1.60, 1.67, 1.70 and 1.74.
High
impact resistantlenses
such as Polycarbonate and
Trivex offer comfort, because of their incredible light weight, and
safety, due to their high impact resistance.These are recommended for children, teens, active adults,
occupational safety, and anyone who needs superior protection.
Glass
offers superior optics and is the most scratch resistant material
available.However, glass must be
specially treated for impact resistance, is much heavier, and may
not be an option in certain rimless styles.