Search

Lens Index & Material Guide

Determine which lens is best for you based on your prescription, frame type, and lifestyle. Our lenses are all made with advanced plastics and are available in seven indexes, which will determine how thick or thin your glasses lenses will be. Those with a stronger prescription often prefer high-index for thinner lenses, while those who are active may need impact-resistant options.

Basic Lenses

Our basic plastic lenses are available in two indexes.

1.50 Standard Index (CR-39)

  • Suitable for full-rim plastic/acetate frames or full-rim metal frames

  • BEST FOR RX RANGE +1.00/-2.75 OR BELOW

1.57 Mid Index

  • Up to 15% thinner than 1.50 lens

  • Suitable for full-rim plastic/acetate or full-rim metal frames

  • BEST FOR RX RANGE +2.00/-3.75 OR BELOW

High-Index Lenses

Thinner and lighter than our basic lenses, high-index lenses are recommended for those with combined Rx powers over -3.00/+2.00. High-index lenses have reduced edge thickness for nearsightedness and reduced center thickness for farsightedness. Choose from 1.61, 1.67 or 1.74 high index lenses.

1.61 High Index

  • Up to 20% thinner than 1.50 lens
  • Pricing starts at $20.95
  • Suitable for full-rim plastic/acetate, full-rim metal, half-rim, and rimless frames
  • BEST FOR RX RANGE +3.00/-5.75 OR BELOW

1.67 High Index

  • Up to 30% thinner than 1.50 lens

  • Pricing starts at $34.95

  • Suitable for full-rim plastic/acetate, full-rim metal, half-rim, and rimless frames

  • BEST FOR RX RANGE +4.75/-6.75 OR BELOW

1.74 High Index

  • Up to 40% thinner than 1.50 lens

  • Pricing starts at $75.95

  • Suitable for full-rim plastic/acetate or full-rim metal frames

  • BEST FOR RX RANGE +5.00/-7.00 OR ABOVE