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WHAT ARE LENS IMPLANTS (INTRAOCULAR LENSES)?

Intraocular lenses (IOLs) are micro lenses that are placed inside your eye to correct cataracts, nearsightedness, farsightedness or presbyopia. There are two types of IOLs: anterior chamber lenses, which are placed in the anterior chamber of the eye between the iris and the cornea, and posterior chamber lenses, which are placed in the posterior chamber behind the iris and rest against the capsular bag.

IOLs may be used for the correction of nearsightedness, farsightedness, presbyopia, cataracts and astigmatism. One of the newest options available to patients is the ReSTOR® Intraocular Lens (IOL).

ReSTOR® IOL

ReSTOR® Lens (click for larger image)

As we perform daily activities such as reading, watching television or working at the computer, our eyes are constantly focusing on objects at varying distances – up close, far away and everything in-between. The ability to quickly change focus throughout this range of vision is called accommodation. Unfortunately, this ability diminishes as we grow older, causing us to become dependent on bifocals or reading glasses. However, the AcrySof® ReSTOR® IOL was designed to provide quality near to distance vision by combining the strengths of apodized diffractive and refractive technologies. Similar technology has been used for years in microscopes and telescopes to improve image quality, and has now been patented for use in intraocular lenses by Alcon.

What Does "Apodized Diffractive" Mean?

Apodization is the gradual tapering of the diffractive steps from the center to the outside edge of a lens to create a smooth transition of light between the distance, intermediate and near focal points. Diffraction involves the bending or spreading of light to multiple focal points as it passes through the lens. On the AcrySof® ReSTOR® IOL, the center of the lens surface consists of an apodized diffractive optic. This means that the series of tiny steps in that center area work together to focus light for near.

What Does "Refractive" Mean?

Refraction involves the redirection of light passing through the lens, to focus on the retina. The refractive region of the AcrySof® ReSTOR® IOL bends light as it passes through the lens to a focal point on the retina. This outer ring of the AcrySof® ReSTOR® IOL surrounds the apodized diffractive region and is dedicated to focusing light for distance vision.

The ReSTOR® Lens is folded and then inserted into the eye.		The ReSTOR® Lens unfolds and is laid into place.

The ReSTOR® intraocular lens provides cataract patients with a new alternative to monofocal IOLs. The ReSTOR® IOL is a unique technological innovation that can provide you with quality vision throughout the entire visual spectrum – near through distance – with increased independence from reading glasses or bifocals! Dr. Steven Siepser is one of the first U.S. refractive surgeons to implant the ReSTOR® lens. With Dr. Siepser's skill and expertise in vision correction, patients can be confident of an excellent outcome.

Dr Siepser will evaluate your needs and consider your lifestyle to help you determine the best vision correction solution for you.