Ray-Ban RB3447 Progressive Prescription Sunglasses Temple Length: 145 mm, Age Group: Adults, w/ Free S&H

Specifications for Ray-Ban RB3447 Progressive Prescription Sunglasses:

Ray-Ban RB3447 Sunglasses Description:

• Ray-Ban RB3447 Frame Material: METAL
• Ray-Ban RB3447 Sunglasses Lens Diameter: 50 mm / 47 mm
• RB3447 Distance Between Lenses: 21 mm
• Gender: MAN

Package Contents:

• Ray-Ban Rx RB3447 sunglasses
• Ray Ban Sunglass Case
• Cleaning Cloth with Ray-Ban logo

Ray-Ban Sunglasses Information:

These Ray Ban Rx Prescription Sunglasses are also available without Rx lenses in our collection of Ray Bans Sunglasses:

Ray Ban RB3447 Sunglasses

Ray Ban Progressive Sunglasses Rx Lenses are available in the following lens materials:

• CR-39 Plastic (also known as hard resin) is overall cost-effective & most commonly used lens material. CR-39 is thinner and lighter than glass. Recommended sphere range is 0.00 - +/-8.00 and cylinder range is 0.00 - +/-2.00
• Polycarbonate is the most impact resistant lens available. Polycarbonate lenses are highly recommended for kids, sportsmen and military. This lens material is thinner & lighter than CR-39 or glass. It blocks UV rays. Anti-scratch coating is included. Recommended sphere range is +/- 2.00-8.00
• Aspheric Polycarbonate lenses feature the same properties as polycarbonate lenses, but they are recommended for plus (+) sphere prescriptions only
• High Index 1.60 (also known as HX 1.60) lenses are thinner & lighter than CR-39 or glass. Recommended sphere range is 0.00 - +/-15.00
• High Index 1.67 (also known as HX 1.67) lenses are thinner than High Index 1.60, CR-39 or glass. Recommended sphere range is 0.00 - +/-16.00
• Glass lenses feature superior optical quality and scratch resistance. Although glass is heavier and thicker than other lens materials. Recommended sphere range is 0.00 - +/- 3.00