Cataract Surgery: FAQs, Statistics, and Patient Stories

10 Min
May 5, 2026

Medically reviewed by the Know Your Surgery Editorial Team. Last reviewed: May 2026.

Patients and family members usually have practical questions about cataract surgery that go beyond the procedure itself: cost, insurance coverage, complications, glasses-independence, and what life is like after surgery. This article answers the most common questions, shares US-specific outcome statistics, and includes a few illustrative patient scenarios so you can picture the experience from start to finish.

For the procedure walkthrough and recovery timeline, see our procedure and recovery article. For the decision framework, see our causes, diagnosis, and decision article.

Frequently Asked Questions

How much does cataract surgery cost in the United States?

The cost of cataract surgery in the US varies based on the type of intraocular lens (IOL) selected, the surgical center, the geographic area, and any premium technology used. Standard cataract surgery with a basic monofocal IOL is generally covered by Medicare and most private insurance when medically necessary, with the patient typically responsible for deductibles and copays. Premium IOLs (toric, multifocal, extended depth-of-focus) and femtosecond laser-assisted services often involve additional out-of-pocket costs that are not covered by insurance. Specific costs and coverage vary widely, so requesting a written estimate from the surgical center is important.

Does Medicare cover cataract surgery?

Yes, Medicare covers medically necessary cataract surgery. Medicare Part B covers the surgeon’s services and the standard monofocal IOL. It also covers a single pair of conventional eyeglasses or contact lenses after surgery. Premium IOL upgrades and laser-assisted services are typically not covered, and patients pay the difference out of pocket. Medicare Advantage plans may have different rules, so checking with your specific plan is recommended.

Will I need glasses after cataract surgery?

It depends on the IOL chosen. Patients with a monofocal IOL focused for distance vision typically still need reading glasses for close work. Patients with multifocal or extended depth-of-focus IOLs may achieve glasses-independence for many tasks, though some patients still wear glasses for specific activities. Patients with toric IOLs gain correction for astigmatism but may still need glasses depending on the focus distance chosen.

Can cataracts come back after surgery?

The cataract itself does not return because the cloudy natural lens has been removed. However, a percentage of patients develop a condition called posterior capsule opacification (PCO) months or years after cataract surgery. This is a clouding of the membrane behind the IOL, sometimes called a secondary cataract, and it is easily treated with a brief in-office laser procedure called YAG laser capsulotomy.

What is posterior capsule opacification?

Posterior capsule opacification is a thickening or clouding of the lens capsule that holds the IOL in place. Symptoms feel similar to having a cataract, with gradually blurry vision and increased glare. The treatment, YAG laser capsulotomy, takes only a few minutes, requires no incision, and is typically performed in the ophthalmologist’s office. Vision usually improves within a day.

How do I choose the right IOL?

The right IOL depends on your eye anatomy, daily vision needs, lifestyle, and budget. Patients with high astigmatism may benefit from a toric IOL. Patients who strongly want to reduce glasses-dependence may consider multifocal or extended depth-of-focus IOLs, with the trade-off of possible halos around lights at night. Patients who do not mind reading glasses often do well with a standard monofocal IOL covered by Medicare. The decision should be made with your ophthalmologist after careful eye measurements.

Can I have cataract surgery on both eyes the same day?

Same-day bilateral cataract surgery is performed in some countries but remains uncommon in the United States. Most US ophthalmologists schedule the second eye one to four weeks after the first, allowing the first eye to heal and outcomes to be evaluated before treating the second eye. This staggered approach is the established US standard.

How long after cataract surgery can I fly?

Flying is generally safe within a few days of cataract surgery, since the operation does not affect the inner ear or sinuses. However, your specific surgeon may recommend waiting until after the first follow-up appointment, especially if any unusual healing is noted. Always confirm with your surgeon before traveling.

What are the most common complications?

Complications of cataract surgery in the US are uncommon, but possible ones include posterior capsule opacification (treated with YAG laser), inflammation, swelling at the back of the eye (cystoid macular edema), increased eye pressure, retinal detachment, and rare cases of infection. The American Academy of Ophthalmology reports that the overall complication rate is low, especially in patients without other significant eye conditions.

Is laser cataract surgery worth the extra cost?

Femtosecond laser-assisted cataract surgery (FLACS) adds an out-of-pocket cost not covered by Medicare. Both traditional phacoemulsification and FLACS have excellent outcomes. Some patients and surgeons prefer the laser for specific situations, such as patients also receiving a premium IOL. The decision is individual and worth discussing in detail with your ophthalmologist.

When can I drive after cataract surgery?

Most patients can resume driving within a few days to two weeks after surgery, once the surgeon confirms vision and depth perception are adequate. Patients having both eyes operated on often resume driving fully after the second eye procedure. Always wait until your surgeon has cleared you and you feel safe behind the wheel.

What happens if I do nothing and never have surgery?

Cataracts continue to progress over time, leading to worsening blurry vision, glare, and eventually significant vision loss if not treated. Some people live with mild cataracts for years without surgery. For more advanced cataracts, the vision impairment can affect safety and quality of life. The decision is personal and made with your ophthalmologist.

US Statistics on Cataract Surgery

The National Eye Institute estimates that more than 24 million Americans aged 40 and older have cataracts, and the number is projected to grow as the US population ages.
The American Academy of Ophthalmology reports that approximately 3 to 4 million cataract surgeries are performed in the United States each year, making it one of the most common surgical procedures in US healthcare.
AAO data suggest that approximately 95 percent of cataract surgery patients without other significant eye conditions experience improved vision after surgery.
The Centers for Disease Control and Prevention (CDC) identifies cataracts as one of the leading causes of preventable blindness and visual impairment in the United States, particularly among adults over 65.
Posterior capsule opacification (PCO), the most common late complication, develops in a meaningful minority of patients in the years following surgery and is treated quickly with YAG laser capsulotomy.

When to Seek Emergency Medical Help

After cataract surgery, certain symptoms warrant immediate contact with your ophthalmologist or an emergency department. Call your surgeon’s office without delay or go to the nearest emergency room if you experience:

Sudden severe pain in or around the operated eye
Sudden, significant decrease in vision
New flashes of light or a sudden increase in floaters
A curtain or shadow appearing across part of your vision
Persistent or worsening redness, drainage, or swelling around the eye
Fever above 101 degrees Fahrenheit with eye symptoms
Sudden onset of double vision in the operated eye

These symptoms can signal complications such as infection, retinal detachment, or significant inflammation that need urgent attention.

Patient Stories

These short, illustrative scenarios reflect common cataract surgery experiences in the United States. They are educational examples and not real patients.

Margaret, age 72, retired teacher. Margaret noticed gradual blurry vision over two years and began struggling to read books at her usual evening pace. After a comprehensive eye examination, her ophthalmologist confirmed cataracts in both eyes. Margaret chose a standard monofocal IOL focused for distance, knowing she would still wear reading glasses. Her first eye was operated on a Tuesday morning, and she was home by lunchtime. By the next day she was reading the morning paper through reading glasses with much sharper distance vision. Her second eye was operated on three weeks later. She returned to her book club within a month.

Robert, age 68, semi-retired engineer. Robert noticed glare from oncoming headlights had become uncomfortable when driving at night. His ophthalmologist diagnosed cataracts and discussed IOL options. Because Robert wanted to reduce his dependence on glasses for both near and far tasks, he chose an extended depth-of-focus IOL, which involved an additional out-of-pocket cost. The first weeks after surgery included some adjustment to halos around lights at night, which gradually became less noticeable. Three months after his second eye procedure, Robert reported being able to drive comfortably at night and read most printed text without glasses.

Helen, age 80, lives independently. Helen had been postponing surgery for years. After a fall at home related to poor depth perception, her family encouraged her to follow up with an ophthalmologist. She had cataracts in both eyes and chose a standard Medicare-covered monofocal IOL. After surgery on the first eye, her family noted she walked more confidently and read the newspaper aloud to grandchildren again. She had the second eye treated four weeks later. Her ophthalmologist also referred her for a home safety review.

Questions to Ask Your Ophthalmologist

How significant is the cataract in each of my eyes?
Are there any other eye conditions affecting my vision?
Which IOL type do you recommend for me, and why?
What additional costs would a premium IOL or laser-assisted surgery involve?
How many cataract surgeries does your team perform each year, and what are your outcomes?
What is my expected recovery timeline given my overall health?
What signs of complications should I watch for at home?
When can I expect to drive, return to work, and resume my hobbies?
How do we schedule the second eye if both need surgery?
Will I need new glasses after surgery, and when will they be measured?

Continue Reading the Cataract Surgery Cluster

Sources

American Academy of Ophthalmology (AAO). Cataract surgery: outcomes and complications. https://www.aao.org/eye-health/diseases/cataracts-treatment
National Eye Institute (NEI), National Institutes of Health. Cataracts: Statistics. https://www.nei.nih.gov/learn-about-eye-health/outreach-campaigns-and-resources/eye-health-data-and-statistics/cataract-data-and-statistics
Centers for Disease Control and Prevention (CDC). Vision Health Initiative: Common eye disorders. https://www.cdc.gov/visionhealth/
Centers for Medicare and Medicaid Services (CMS). Cataract surgery coverage. https://www.medicare.gov/coverage/cataract-surgery
Mayo Clinic. Cataract surgery: results and follow-up. https://www.mayoclinic.org/tests-procedures/cataract-surgery/about/pac-20384765
Cleveland Clinic. Cataract surgery: outcomes. https://my.clevelandclinic.org/health/treatments/8556-cataract-surgery
US Food and Drug Administration (FDA). Intraocular lenses (IOLs). https://www.fda.gov/medical-devices/products-and-medical-procedures/intraocular-lenses

Medical Disclaimer

The information in this article is for general education and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about your eyes, your insurance coverage, or your specific medical situation. Never disregard professional medical advice or delay in seeking it because of something you have read here. If you experience symptoms that could be a medical emergency, call 911 or go to the nearest emergency department immediately.