How Important Are Distortion Free Lenses In Sunglasses?

Distortion Free LensesThere are many cases of patients getting a new prescription after a long period of time that involves more dramatic curvature of the lens to correct things like astigmatism or farsightedness.

In some cases it quickly becomes apparent that the new prescription is distorting what you see through the lens. Another case is when you have lenses that have a large amount of curve in them such as wrap around sunglasses.

These wrap around sunglass lenses can cause some distortion making the sunglasses uncomfortable to wear. Read more

Glass Lens Sunglasses

Blank Glass Puck Soon To Be In A Pair Of Sunglasses

Blank Glass Puck Soon To Be In A Pair Of Sunglasses

It seems that since the introduction of plastic and polycarbonate lenses everyone seems to think they are the best choice of sunglass lenses rather than glass lens sunglasses.

The reason for this is the perceived weight difference between the three different lens materials; however the weight difference is hardly noticeable and become less so shortly after you start wearing glass lens sunglasses.

In the image to the left you can see how a pair of glass sunglass lenses start. Read more

Lens Materials

crown mineral glass lens construction

Randolph Engineering crown mineral glass lens material

Lens Materials

When purchasing sunglasses it can be confusing figuring out what lens materials the sunglasses have in them.

As a result one of the questions I get asked frequently is about the sunglasses lens material used in the sunglasses we sell.

For sunglasses there are three common lens materials used for sunglasses lenses and each one has a specific property which may or may not be right for you.

One common assertion is that plastic lenses are lighter than glass lenses, and therefore are more comfortable. In fact most optometrists today seem to prefer to offer plastic lenses instead of glass lenses. Read more