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Until recently, life without reading glasses or bifocals was not an option for most cataract patients. You now have an option. The AcrySof® 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!
How does the AcrySof® ReSTOR® IOL work?
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 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.
Apodized Diffractive
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 through distance vision.
For most patients, the AcrySof® ReSTOR® IOL delivers excellent near, distance, and intermediate vision
Near vision: Refers to focal points that are typically 16 inches or closer to your eyes. This is also known as “reading vision.” Items that typically fall within the near range of vision are books, newspapers, and medicine bottles.
Distance vision: Refers to focal points that are typically 7 feet or further from your eyes. Items that typically fall within the distance range of vision are billboards, street signs, and movie screens.
Intermediate vision : Refers to focal points that are typically between 16 inches and 7 feet away from your eyes. Items that typically fall within the intermediate range of vision are computer screens and car dashboards.
The ability to read quickly and easily
In an independently conducted study, AcrySof® ReSTOR® IOL patients were tested to see how easily they could read paragraphs of decreasing font size, and their results were compared to patients with other IOLs. While only one of 13 patients with other IOLs could read small type (such as the newspaper), four of five AcrySof® ReSTOR® patients were still able to read small type quickly and easily.
Better vision for various lighting situations
The AcrySof® ReSTOR® IOL delivers quality vision for various lighting situations. In brightly lit conditions, the central apodized diffractive portion of the AcrySof® ReSTOR® IOL sends light waves simultaneously to both near and distant focal points, while, in dimly lit conditions, the surrounding refractive area sends greater energy to distance vision.
Make an appointment to see if the AcrySof® ReSTOR® IOL is right for you.