Cataract Surgery

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Overview

Duke eye surgeons perform thousands of cataract surgeries each year and can often restore your vision to 20/20. We remove your cloudy lens using small incisions and sophisticated techniques, including highly precise lasers and ultrasound. We employ the latest lens designs to clear your vision and reduce your need for glasses.

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Improved Vision Through Cataract Surgery

Content

Blurry or hazy vision and nighttime glare may be a sign that you have a cataract. A cataract occurs when the normally clear lens inside the eye becomes cloudy or opaque. Age is the most common culprit, but medication use, diseases (like diabetes), and trauma can also cause the lens to cloud. A cataract can also be present at birth. When a cataract affects your vision, your best option is the surgical removal of the cataract and placement of an intraocular lens that permanently corrects your vision.

Cataract surgery is an outpatient procedure that takes less than 15 minutes to perform using only light sedation. Most people experience no pain and have a rapid recovery. Our approach improves your vision and gets you back to enjoying your normal activities as quickly as possible.

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Duke Health offers locations throughout the Triangle. Find one near you.

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Lens Options

Treatments Overview

Cataract surgery involves delicate surgical skills. Your doctor makes a small incision and uses a laser and ultrasound energy to remove the cataract. An artificial lens is then implanted in the eye. The entire process takes a few minutes under light sedation. You will be sent home with a clear eye shield and be able to return to most activities within a few days. Complete recovery and stabilization of your vision can take up to one month.

Recent advances in intraocular lens technology and design allow us to offer multiple options to improve your vision with cataract surgery. Your cataract surgeon will discuss your individual situation and what you can expect from surgery. This will help determine which implantable lens is right for you.

Monofocal Lenses

Description

This standard lens is covered by most insurance companies. It offers high-quality vision, and some can filter ultraviolet light, which may provide protection from macular degeneration. These lenses generally correct your distance vision well, allowing you to drive and watch television without glasses. You will need glasses for computer work, reading, and other near-work activities. For some patients these lenses may provide monovision -- with one eye corrected for distance vision and the other eye for near vision.

Astigmatism-Correcting Lenses

Description

Toric lenses use a special shape and targeted power to correct astigmatism as well as distance vision. This lens has an additional charge above most insurance coverage. Glasses will still be required for computer and near work.

Presbyopia-Correcting Lenses

Description

Multifocal and accommodative lenses correct presbyopia -- the loss of near vision due to aging internal eye muscles. Multifocal lenses distribute light over multiple optical zones, which allows for distance-, intermediate-, and near-vision correction. Accommodative lenses rely on the remaining internal eye muscles to move the lens forward and backward to focus at multiple distances. These lenses can give you freedom from glasses for most activities. It may still be necessary to wear reading glasses occasionally to read very small print or in low-light situations.

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Tests for Cataract Surgery

Slit-Lamp Microscopy

Description

A magnified, 3D examination of the structures at the front of the eye eye is performed by your ophthalmologist.

Corneal Topography and Tomography

Description

A computer-guided device creates a 3D image map of the cornea to measure corneal power, curvature, and thickness.

Keratometry

Description

This test measures the curvature of the cornea’s front surface to assess astigmatism.

Corneal Pachymetry

Description

Ultrasound waves measure the thickness of the cornea.

Biometry

Description

Ultrasound waves measure intraocular lens power.

Why Choose Duke

Content

A Team of Experts
Cataract surgery is the most common surgery performed at the Duke Eye Center. Our surgeons are leaders in the field, employing innovative surgery techniques and devices. We are always seeking new ways to improve patients’ experiences and results.

Laser-Assisted Cataract Surgery
Some people may benefit from the use of lasers during cataract surgery to correct astigmatism or assist in the implantation of multifocal lenses, which can improve distance and up-close vision.

Astigmatism Correction
If your cornea is not completely round, called astigmatism, you may have blurring or distortion of your vision -- this is typically corrected with contacts or glasses. After careful evaluation, your surgeon may recommend one of two options to correct your astigmatism. We may correct your vision with a special artificial lens, or we may recommend an alternate procedure called limbal relaxing incision (LRI). A small incision is created to reshape your cornea and reduce astigmatism. LRI can often be performed at the same time as your cataract surgery.

Simple Secondary Cataract Treatment
In a small percentage of cases, scarring or a secondary cataract may form on the membrane that supports the implanted lens. If this occurs in the months or years following your cataract surgery, we perform a short, painless, in-office laser procedure to create an opening that lets light shine through and eliminate the secondary cataract.

Compassionate, Supportive Environment
Deciding to have surgery on your eyes should not be taken lightly and we are honored to be part of your journey to restoring your vision. At Duke, we offer patient support services including educational materials and programs, as well as a dedicated team of technicians, staff, and physicians who will walk you through the steps and decision-making process associated with cataract surgery. We look forward to working with you and your family to maximize your vision and quality of life.

Best Eye Hospital in North Carolina

Where you receive your care matters. Duke University Hospital is proud of our team and the exceptional care they provide. They are why our ophthalmology program is ranked sixth in the nation and is the highest ranked program in North Carolina, according to U.S. News & World Report for 2022–2023.

This page was medically reviewed on 07/07/2020 by

Melissa B. Daluvoy, MD | Corneal Specialist