Staff is very professional, office clean and well kept. Dr. Griffiths is very personable and does a great job explaining my condition.
Julie Carbaugh
Is Cataract Surgery Safe?
Understanding the Possible Risks
No surgical procedure is completely without risk, and being well-informed is an important part of preparing for cataract surgery. The risks associated with modern cataract surgery are real but rare, and understanding them helps you know what to watch for during recovery.
Endophthalmitis is a serious bacterial infection that can develop inside the eye after surgery. It is the most feared complication, but it is also quite rare, occurring in roughly 1 in 1,000 modern cataract surgeries. The rate has declined significantly over the past decade as antibiotic protocols and sterile technique have improved. Patients who develop this complication need prompt treatment, and early intervention greatly improves the outcome.
Certain factors are associated with a modestly higher risk of postoperative infection. These include being male, being age 75 or older, having had prior invasive glaucoma surgery in the same eye, and having cataract surgery combined with retinal surgery in the same procedure. Even patients in higher-risk groups have a very low overall chance of developing infection. Our cataract surgeons take additional precautions when these factors are present.
A retinal detachment occurs when the light-sensitive layer at the back of the eye pulls away from its normal position. This complication occurs in fewer than 1 in 100 cataract surgeries and is more common in patients who are highly nearsighted. Warning signs include a sudden increase in floaters, flashes of light, or a dark shadow or curtain blocking part of your vision. These symptoms require urgent evaluation, as prompt treatment gives the best chance of preserving vision.
Cystoid macular edema, or CME, is swelling in the central part of the retina called the macula. It can develop a few weeks after surgery and may cause central blurriness or wavy distortion in your vision. Most cases respond well to anti-inflammatory eye drops, though some patients may need additional treatment such as an eye injection. With appropriate care, the swelling typically resolves and vision returns to the expected level.
Posterior capsule opacification, often called PCO or a secondary cataract, is the most common issue that develops after cataract surgery. The thin membrane behind the artificial lens can gradually become cloudy, causing a return of blurry vision weeks, months, or even years after surgery. This is not a cataract growing back. It is treated quickly and easily with a brief in-office laser procedure called a YAG capsulotomy, which takes only a few minutes and typically restores clear vision right away.
How Modern Methods Help Reduce Risk
The safety improvements seen over recent decades in cataract surgery are not accidental. They are the direct result of better tools, better protocols, and more precise surgical planning. Every step in our process is designed to minimize risk and support the best possible outcome for you.
One of the most significant advances in cataract surgery safety has been the use of intracameral antibiotics, meaning antibiotics placed directly inside the eye at the end of the procedure. Studies have shown that this approach dramatically reduces the rate of endophthalmitis compared to topical drops alone. Many surgeons now routinely incorporate this step as a standard part of every procedure.
Every cataract surgery is performed under rigorous sterile conditions. The surgical team follows strict scrubbing and gowning protocols, and the eye and surrounding area are thoroughly prepped with antiseptic solution before the procedure begins. Patients also use antibiotic eye drops in the days leading up to surgery to reduce bacteria on the eye surface. These combined measures significantly lower the risk of any infection.
Modern cataract surgery requires only a very small opening in the eye, often less than 3 millimeters. Incisions this small typically seal on their own without stitches and heal much more quickly than the larger wounds used in older techniques. A smaller opening also means the eye is exposed to the environment for a shorter time, which contributes directly to the very low infection rates seen in current practice.
Careful pre-surgical measurement and planning are central to a safe and successful result. We use optical biometry, corneal topography, and other detailed imaging to precisely measure your eye before surgery. These measurements guide the selection of the right intraocular lens (IOL), the artificial lens that replaces your cloudy natural lens, and allow us to anticipate and plan around any unique features of your eye. Better planning means fewer surprises during the procedure and more consistent visual outcomes.
We perform laser-assisted cataract surgery using the LENSAR Laser System, a femtosecond laser that can perform key steps of the procedure with computer-guided precision. This technology helps create consistently sized incisions and softens the lens before removal, which can reduce the ultrasound energy needed during surgery. For patients who want to reduce or eliminate their dependence on glasses after surgery, we offer a range of premium IOLs including PanOptix Pro, TECNIS Odyssey, enVista Envy, TECNIS PureSee, Clareon Vivity, and TECNIS Symfony, among others. The right lens choice is made in careful consultation with your cataract surgeon based on your specific vision goals and eye health.
What Happens Before Surgery
Preparation is a key part of cataract surgery safety. The steps taken in the weeks before your procedure help ensure accurate measurements, reduce infection risk, and allow our team to identify and plan around any factors that could affect your outcome.
The pre-surgical evaluation is thorough and goes well beyond simply confirming that a cataract is present. Our team examines the entire eye to identify any other conditions that could influence the surgery or your recovery. The exam typically includes the following:
- Visual acuity testing to assess how well you are currently seeing
- Slit lamp examination of the front structures of the eye
- Dilated retinal exam to evaluate the health of the back of the eye
- Eye pressure measurement to screen for glaucoma
- Tear film assessment, since dry eye can affect healing and visual outcomes
Finding and addressing any issues before surgery gives you the best chance of a smooth recovery and sharp vision afterward.
Your overall health plays an important role in surgical planning. Conditions like diabetes, autoimmune disease, and certain medications including blood thinners can affect healing or need to be managed around the time of surgery. Bringing a complete and up-to-date list of all your medications and supplements to your consultation helps our team plan the safest approach. We coordinate with your other physicians when needed to make sure all aspects of your health are considered.
About a week before surgery, we perform a series of painless tests to precisely measure the length of your eye, the curvature of your cornea (the clear front surface of the eye), and other key dimensions. These measurements are used to calculate the power of the IOL that will be placed inside your eye. Accurate measurements are essential for achieving the best possible vision after surgery, and skipping or rushing this step can lead to a less-than-ideal result.
Most patients begin using antibiotic eye drops one to two days before surgery to reduce the number of bacteria on the surface of the eye. These drops are an important part of infection prevention and should be used exactly as directed. If any of your regular medications need to be paused before surgery, our team will let you know well in advance and will work with your other providers to do so safely. Never stop any medication on your own without guidance from the prescribing physician.
What to Expect on Surgery Day and After
Knowing what to expect on surgery day and during recovery takes a lot of the uncertainty out of the process. Cataract surgery is an outpatient procedure, meaning you go home the same day, and most patients are surprised by how straightforward the experience is.
On the day of your procedure, you will arrive at the surgery center and receive numbing eye drops along with a mild sedative to help you relax. You are awake during the procedure but comfortable and typically feel very little. The surgery itself takes approximately 15 to 30 minutes. You will need a friend or family member to drive you home, and you should plan to rest for the remainder of the day.
Vision is often blurry or hazy on the first day as the eye begins to heal. You may notice some scratchiness, mild sensitivity to light, or a watery feeling, all of which are normal. Your prescribed eye drops begin that day or the next morning, and it is important to use them exactly as directed. Sleep with your protective eye shield in place and avoid rubbing the eye.
Vision typically improves noticeably over the first several days. Many patients return to light activities such as reading and computer work within a day or two. During the first week, you should avoid strenuous exercise, heavy lifting, swimming, and hot tubs. Continue all prescribed drops and attend any scheduled follow-up visits, as these appointments allow our team to confirm that healing is on track.
Full healing takes approximately four to six weeks. During this time the eye gradually settles, and your final glasses prescription is typically determined toward the end of this window. Most patients experience steady, gradual improvement throughout the first month. Patients who choose premium IOLs designed to reduce dependence on glasses may notice continued refinement in their vision for several weeks as the eye and brain adapt to the new lens.
While serious complications are uncommon, it is important to know which symptoms need prompt medical attention. Contact our office right away if you experience any of the following after surgery:
- A sudden decrease or loss of vision
- Severe eye pain that is not relieved by basic comfort measures
- Significant redness that is worsening rather than improving
- Heavy or unusual discharge from the eye
- A sudden increase in flashes of light or many new floaters
- A dark shadow or curtain partially blocking your field of view
These symptoms may indicate a complication that requires fast evaluation. Reaching out right away rather than waiting gives our team the best opportunity to help.
Frequently Asked Questions
These answers address common points of uncertainty that come up when patients are weighing cataract surgery, and they are meant to help you think through your own situation more clearly.
The timing of surgery is based on how much the cataract is affecting your daily life, not just on how it looks during an exam. If your vision is interfering with driving, reading, recognizing faces, or doing activities you enjoy, it may be time to consider surgery. Your cataract surgeon will review your measurements, overall eye health, and your personal goals to help you decide when the timing is right for you.
Yes, in most cases, having another eye condition does not disqualify you from cataract surgery. However, the presence of these conditions does affect the planning process and can influence which IOL options are most appropriate. For example, advanced macular degeneration may limit how much a premium IOL can improve your vision. Your cataract surgeon will evaluate all of your eye conditions together to develop a plan that is safe and realistic for you specifically.
PCO is common enough that you should not be alarmed if your vision gradually clouds again after surgery. The YAG capsulotomy used to treat it is a quick, painless, in-office laser procedure that does not require any incisions or recovery time. Most patients notice improved vision within a day of the treatment. The capsule cannot cloud over again after a YAG procedure, so this is typically a one-time treatment.
When cataracts affect both eyes, both eyes typically benefit from surgery, but each eye is treated in a separate procedure, usually spaced a few weeks apart. This approach allows the first eye to heal and lets your team confirm the outcome before proceeding with the second eye. Having both eyes done gives you the most balanced and functional vision, particularly if you are choosing a premium IOL designed to reduce glasses dependence.
Blood thinners do not automatically prevent you from having cataract surgery. In many cases, cataract surgeons can operate safely while you remain on your anticoagulant medication, because modern small-incision surgery involves very little bleeding risk. However, the decision depends on your specific medication, your underlying health condition, and your medical history. Our team will coordinate with your prescribing physician to determine the safest approach for you. Never stop a blood thinner on your own before surgery.
The IOL placed during cataract surgery is designed to be permanent and does not need to be replaced under normal circumstances. The lens itself does not develop cataracts or degrade over time. The only follow-up related to the lens that some patients need is a YAG capsulotomy for PCO, which is a treatment for the surrounding capsule rather than the lens itself.
Schedule a Cataract Surgery Consultation at NewView Eye Center
If you are experiencing blurry vision, difficulty with glare, or other signs of a cataract, we would be glad to evaluate your eyes and talk through your options with you. NewView Eye Center has been caring for patients across Northern Virginia since 1999, and our experienced cataract surgeons use advanced technology and personalized planning to help each patient achieve the clearest, safest outcome possible. We invite you to schedule a comprehensive consultation at our Reston or Leesburg office and take the first step toward better vision.
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