A quick explanation and background of a progressive addition lens is necessary in order to understand the importance of choosing the proper lens for your needs.

A progressive lens gives people an array of prescriptions - placed in the proper positions throughout the lens - to best imitate normal vision. Imagine having the precise correction needed to see a television screen more than 15 feet from you, while reading this article on your desktop computer, and then looking down at your keyboard in order to start entering the address to your favorite website. This, in a nutshell, is exactly what the progressive lens is ideally capable of accomplishing with one pair of glasses.

Having the least amount of peripheral distortion, and one of the wider ranges in both distance power, astigmatism, prism, and add power availability, we find this lens to be very versatile. The most important thing to you is that this product feels very natural in front of your eye. For first-time...

Keratoconus is an eye disease in which the cornea deforms from its normally curved dome shaped and becomes cone shaped. Sometimes there is a flaw in the collagen, the material of the cornea that weakens and allows the cornea to stretch into an irregular cone shape.

The cornea is the clear tissue located at the front of the eye and it refracts and focuses light as it enters the eye. Therefore abnormalities of the corneal surfaces can severely distort vision.

Symptoms usually start in the teen years with near-sighteness and astigmatism which can often be treated with contact lenses or glasses. At the onset it can be difficult to detect.

It is first diagnosed when the cornea starts reveal progressive irregular distortion and eventually becomes to advance for conventional glasses or contact lenses to correct. At this critical point it is often treated with specially designed contact lenses to provide a smooth optical surface to focus light rays and impede progression of the...