Square Glasses 201119

1.57 CR39 Lenses (free)

Mid index 1.57 polymer lens that provides a thinner lens for stronger prescriptions than standard index optical lenses.

1.59 Polycarbonate

The 1.59 pure polycarbonate lens is recommended for rimless glasses because of its superior impact-resistance. But for prescriptions with a spherical power above +2.00/-4.00 and a cylindrical power above +/-2.00, selecting a 1.61 or 1.67 index lens can result in thinner lenses in your glasses.

1.61 High Index Lenses

High index 1.61 polymer lens that provides a thinner lens for stronger prescriptions than mid and standard index optical lenses. Features: Suitable for spherical power of +3.00/-6.00 or below with cylindrical power +/- 6.00 or below.

1.67 High Index Lenses

High index 1.67 polymer lens that provides a thinner lens for stronger prescriptions than mid, standard and 1.61 high index optical lenses. Suitable for spherical power of +10.00/-20.00 or below with cylindrical power +/- 6.00 or below.

1.74 High Index Lenses

1.57 Blue Blocker Lenses

1.61 High-Index Blue Blocker Lenses

High index 1.61 blue blocking polymer provides a thinner, lighter lens with blue blocking qualities. We recommend this lens material for all low and moderate prescriptions due to its excellent optics. • Suitable for spherical power of +3.00/-6.00 or below with cylindrical power +/- 6.00 or below.

1.67 High-Index Blue Blocker Lenses

High index 1.61 blue blocking polymer provides a thinner, lighter lens with blue blocking qualities. We recommend this lens material for all low and moderate prescriptions due to its excellent optics. • Suitable for spherical power of +3.00/-6.00 or below with cylindrical power +/- 6.00 or below.

1.56 Photochromic Grey +anti reflective coating

Mid index 1.57 Photochromic Gray UV reactive polymer lens that provides a thinner lens for stronger prescriptions than standard index optical lenses. Suitable for spherical power of +2.00/-4.00 or below with cylindrical power +/- 6.00 or below.

1.56 Photochromic Brown +anti reflective coating

Mid index 1.57 Photochromic Brown UV reactive polymer lens that provides a thinner lens for stronger prescriptions than standard index optical lenses. Suitable for spherical power of +2.00/-4.00 or below with cylindrical power +/- 6.00 or below.

1.57 Blue Blocker Photogrey Lenses

Mid index 1.57 blue blocking polymer provides the most basic lens with blue blocking qualities. • Suitable for spherical power of +2.00/-4.00 or below with cylindrical power +/-6.00 or below. However, at least a 1.61 blue blocking lens is recommended in all prescriptions for best optical performance.

1.59 High-Index Polycarbonate Photogrey

The 1.59 pure polycarbonate lens is recommended for rimless glasses because of its superior impact-resistance. But for prescriptions with a spherical power above +2.00/-4.00 and a cylindrical power above +/-2.00, selecting a 1.61 or 1.67 index lens can result in thinner lenses in your glasses.

1.61 High-Index Blue Blocker Photogrey Lenses

High index 1.61 blue blocking polymer provides a thinner, lighter lens with blue blocking qualities. We recommend this lens material for all low and moderate prescriptions due to its excellent optics. • Suitable for spherical power of +3.00/-6.00 or below with cylindrical power +/- 6.00 or below.

1.67 High-Index Blue Blocker Photogrey Lenses

High index 1.61 blue blocking polymer provides a thinner, lighter lens with blue blocking qualities. We recommend this lens material for all low and moderate prescriptions due to its excellent optics. • Suitable for spherical power of +3.00/-6.00 or below with cylindrical power +/- 6.00 or below.

1.50 Transition VII® Gray Lenses

Transitions® 1.50 Photochromic Gray basic UV reactive CR-39 plastic lens. Suitable for spherical power of +1.00/-2.00 or below with cylindrical power +/- 6.00 or below.

1.61 Transition VII® Gray Lenses

Transitions® High index 1.61 Photochromic Gray UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid and standard index optical lenses.

1.67 Transition VII® Gray Lenses

Transitions® High index 1.67 Photochromic Gray UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid, standard and 1.61 high index optical lenses.

1.50 Transition VII® Brown Lenses

Transitions® 1.50 Photochromic Brown basic UV reactive CR-39 plastic lens. Suitable for spherical power of +1.00/-2.00 or below with cylindrical power +/- 6.00 or below.

1.61 Transition VII® Brown Lenses

Transitions® High index 1.61 Photochromic Brown UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid and standard index optical lenses.

1.67 Transition VII® Brown Lenses

Transitions® High index 1.67 Photochromic Brown UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid, standard and 1.61 high index optical lenses.

1.50 Transition VII® Green Lenses

Transitions® 1.50 Photochromic Green basic UV reactive CR-39 plastic lens. Suitable for spherical power of +1.00/-2.00 or below with cylindrical power +/- 6.00 or below.

1.61 Transition VII® Green Lenses

Transitions® High index 1.61 Photochromic Green UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid and standard index optical lenses.

1.67 Transition VII® Green Lenses

Transitions® High index 1.67 Photochromic Green UV reactive polymer lens that provides a thinner lens for stronger prescriptions than mid, standard and 1.61 high index optical lenses.

1.50 Polarized Grey Lenses

1.50 Polarized Gray basic CR-39 plastic sunglass lens.

1.50 Polarized Brown Lenses

1.50 Polarized Brown basic CR-39 plastic sunglass lens.

1.50 Polarized Green Lenses

1.50 Polarized Brown basic CR-39 plastic sunglass lens.

1.56 Bifocal Round Top Lenses

1.56 Bifocal Flat Top Photo Grey Lenses

1.56 Bifocal Flat Top Photo Brown Lenses

1.56 Bifocal Round Top Photo Gray Lenses

1.56 Bifocal Round Top Photo Brown Lenses