Modern Cataract Surgery

Modern cataract surgery is one of medicine’s finest achievements.

Over the past three decades, enormous technological strides have been made which have enhanced the safety, increased the speed of recovery, and improved the level of comfort of this procedure. These advances, including tiny, suture-less incisions to remove the cataracts and biocompatible intraocular lenses to replace the cloudy cataractous lenses are now considered part of “Standard Cataract Surgery” and are covered by Medicare and other private insurers.

In recent years, the new focus of research and development has been on innovations that help patients reduce their dependence on glasses. These innovations include Femtosecond laserassisted cataract surgery and intraocular lenses designed to help correct astigmatism and to provide a more youthful range of vision without glasses. While reducing dependence on glasses is viewed as highly desirable by most patients, Medicare and other insurers have deemed that these advances as not “medically necessary”. Medicare and other private insurers, therefore, do not cover the additional costs associated with these advanced technologies.

At Colvard-Kandavel Eye Center, we strive to provide both the best of modern technology and the finest individualized care for every one of our patients. The goal of this website is to help you understand today’s options in cataract surgery so you can make a well-informed decision regarding which procedures and technologies best fit your needs. After reading this information, we expect that you will have many questions. We would like to encourage you to talk with our doctors and counseling staff until you feel that you have the answers to every one of your questions.

Closeup of a Cataract in an Eye

What is a Cataract?

A cataract is cloudiness in the focusing lens of the eye. The eye works very much like a camera. Light rays enter the eye and are brought into focus on the retina by a small lens inside the pupil. In later life, the eye undergoes aging changes which result in a loss of clarity of this lens. As the lens loses clarity, the image projected to the retina becomes less sharp. Early in cataract formation, a change in glasses may help to improve the vision. Eventually, however, as aging changes continue, the lens becomes so cloudy that vision can not be improved without surgery.

How Cataract Affects Vision

Cataracts cause a generalized fuzziness of vision. The automobile is an indispensable facet of life in Los Angeles, and most often, the first symptom of cataracts in our culture is difficulty in seeing street signs. Cataracts can also interfere with reading and can result in glare and loss of visual clarity both in bright light and at night.

Can Cataracts be Prevented or Reversed?

Research suggests that cataracts are caused in part by long-term exposure to ultraviolet light. It is important, therefore, to wear ultraviolet-blocking sunglasses whenever we are outside for extended periods to help protect the lens. Antioxidant vitamins may also help to forestall the onset of cataracts. Once the lens becomes cloudy enough to affect the quality of our vision, however, the only effective treatment is cataract surgery.

How are Cataracts Removed?

Today’s most advanced technology involves a gentle high-frequency sound device called a phacoemulsifier. The “phaco” device allows an experienced surgeon to liquefy the cloudy cataract and remove the cloudy material through a tiny incision less than one-eighth of an inch in size. Sutures are generally not necessary, and an eye patch is usually not needed. The procedure is performed in our outpatient surgery facility, takes 15 to 45 minutes and is not painful. The majority of patients note a substantial improvement in vision by the next morning. Drops are necessary for a few weeks after surgery, and patients are encouraged to avoid heavy lifting for two weeks.

Intraocular lenses are used to replace the cloudy lens removed at the time of cataract surgery. All of the cloudy lens material must be removed in order to restore vision and prevent the recurrence of the cataract material. Intraocular lenses are positioned in the same location as the human lens and are supported by the same structures that support the natural lens.

What Intraocular Lens Options are There?

Today there are two basic types of intraocular lenses (IOLs): Monofocal IOLs which have a single point of clearest focus and the new technology IOLs which provide a greater range of focusing power. For a more comprehensive discussion of the differences between standard monofocal IOLs and the newer technology IOLs, please see Premium Intraocular Lenses.

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