Lens Thickness

If your prescription glasses are for near-sightedness then you will notice your lenses are thicker at the edge. If your prescription is for far-sightedness then your lenses will be thicker in the middle. *If you feel like your lenses are too thick you may want to try hi index lenses. High index plastic is made denser than the standard and is currently used to make the world's thinnest plastic lenses.

Other Lens Options

Aspheric Design Lenses flatten toward edge and are thinner, lighter and fit more modern frames.
Hard Coat, scratch resistant coating that will make your lenses more durable.
No Glare coating reduces reflections and makes for better vision especially at night.
Thin design would be a thinner cut than normal making the lens thinner and lighter.
Polaroid filters reflected light, improves vision in sunglasses.
Transitions lighten or darken the lens depending on what is comfortable.

Lens Types

Information on some of the popular types of lenses.

Single Vision Lenses

Lenses that have one single prescription over the entire area of the lens are single vision lenses.

Bifocal Lenses

Bifocal glasses have the advantage of focus on close objects as well as distant objects. Normally the top part of the lens is used for distance and the lower part of the lens is used for near vision.

Trifocal Lenses

Trifocal glasses are similar to bifocal with the addition of an intermediate focal point to go along with near and distance.

Progressive Lenses

Progressive lenses or no-line bifocals are bifocals (or trifocals) without the segment lines. Progressive lenses provide you with a smooth transition from near to distant vision correction.

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Burlington, IA 52601