That's right, you read it correctly, Glass nose pads. These nose pads are made from glass and have a hard polycarbonate back. The back portion of the nose pad, or the base of the nose pad is the portion that mounts onto the eyeglass frame. Most common mounts are the screw-in and snap-in mounts. Although the glass is made in one additional mount made for rimless frames. The mono pad, or the rimless mount nose pad. Below you can see the three different types of mounts associated to the glass material nose pads.
From left to right in the pictures above, you have the screw-in , then the snap-in, and finally, the rimless mount.
The benefits of glass nose pads include the fact that they are hypoallergenic nose pads which means those with sensitive skin to other materials may want to try these or the titanium nose pads.
Glass nose pads have been manufactured in many sizes involving a couple of shapes. Of the sizes available they are;
9mm- available in screw-in snap-n and rimless mount
12mm- available in screw-in and snap-in mount
13mm- available in screw-in and snap-in mount
15mm- available in screw-in and snap-in mount
17mm- available in screw-in and snap-in mount
19mm- available in screw-in and snap-in mount