Medicare covers traditional cataract surgery but not the laser version
Medicare covers cataract surgery when your doctor says it is medically necessary — meaning the cataract is affecting your vision enough to interfere with daily life. However, Medicare covers only the standard surgical technique using a blade. If your surgeon uses a femtosecond laser instead, Medicare will not pay for the laser portion of the procedure. You would pay the difference out of pocket, typically between $1,500 and $3,000 per eye, depending on your surgeon and location.
This distinction matters because laser-assisted cataract surgery is marketed as more precise, but Medicare's coverage rules do not change based on the technique used. The surgery itself — removing the clouded lens and inserting an artificial one — is covered. The laser technology is considered an upgrade, not a medical necessity.
Key Takeaways
- Medicare Part B covers the cost of traditional blade cataract surgery when medically necessary, including the artificial lens implant.
- The femtosecond laser used in some cataract procedures is not covered by Medicare and is your responsibility to pay.
- You will owe 20 percent coinsurance on the covered portion of surgery after you meet your Part B deductible.
- Your surgeon's office should give you a written estimate showing what Medicare covers and what you would pay out of pocket before surgery.
- If cost is a concern, you can have traditional cataract surgery covered by Medicare and skip the laser option.
How Medicare decides what counts as covered surgery
Medicare uses a rule called "medically necessary" to decide what it will pay for. For cataracts, this means your vision loss is real and documented, and surgery would meaningfully improve your sight. Your eye doctor performs a visual acuity test and documents how the cataract affects your daily activities — reading, driving, watching television. If the test results and documentation meet Medicare's threshold, the surgery is covered.
The type of lens you choose — standard, multifocal, or toric — does affect your out-of-pocket cost, but Medicare still covers the basic procedure. The laser technology, however, falls outside this definition. Medicare considers it an optional enhancement, not part of the medically necessary surgery itself. This is why your bill will separate the covered charges from the laser charges.
What you pay when Medicare covers the surgery
If you have Original Medicare (Part A and Part B), you pay your Part B deductible first — $240 in 2024, though this amount changes yearly. After you meet the deductible, you pay 20 percent coinsurance on the surgeon's fee and the facility fee. Medicare pays the remaining 80 percent of the approved amount.
The approved amount is what Medicare decides the procedure is worth in your area, not what the surgeon actually charges. If your surgeon charges more than the approved amount, you may owe the difference — called balance billing — unless they accept Medicare assignment. Always confirm your surgeon accepts Medicare assignment before scheduling.
If you have a Medigap plan (supplemental insurance), it may cover some or all of your coinsurance. If you have a Medicare Advantage plan, your costs depend on your specific plan's rules and network. Check your plan documents or call the plan to learn your exact out-of-pocket cost for cataract surgery.
The difference between laser and traditional cataract surgery
In traditional cataract surgery, your surgeon uses a handheld blade to make an incision in your eye, then uses ultrasound energy to break up the clouded lens. In laser-assisted surgery, a femtosecond laser makes the incision and breaks up the lens instead. Some surgeons say the laser is more precise and may reduce astigmatism (blurred vision caused by an irregularly shaped cornea), but the final outcome — improved vision — is similar for most patients.
Research does not show that laser cataract surgery produces better long-term vision than traditional surgery for most people. Both techniques have high success rates. The laser version may be preferred if you have significant astigmatism or other specific eye conditions, but this is a conversation to have with your surgeon, not a reason Medicare must cover it.
Because the outcomes are comparable, Medicare treats the laser as a preference rather than a medical necessity. You can choose traditional surgery and have Medicare cover it, or you can pay out of pocket for the laser upgrade.
What to ask your surgeon before scheduling
Before you schedule cataract surgery, ask your surgeon's office these questions in writing and request a written response:
- Do you accept Medicare assignment for cataract surgery?
- What is the Medicare-approved amount for traditional cataract surgery at your facility?
- What is the additional cost if I choose laser-assisted surgery instead?
- Will you provide an itemized estimate showing what Medicare covers and what I would pay?
- If I choose traditional surgery, will you use the same type of artificial lens as you would in laser surgery?
A written estimate protects you and makes it clear what you are agreeing to pay. Do not rely on a verbal quote. Your surgeon's billing office should send you an estimate at least a few days before surgery so you have time to review it and ask questions.
If you have a Medicare Advantage plan instead of Original Medicare
Medicare Advantage plans (Part C) must cover cataract surgery the same way Original Medicare does — meaning the traditional procedure is covered and the laser is not. However, your out-of-pocket costs may be different. Some Advantage plans have lower deductibles or coinsurance than Original Medicare, while others have higher costs or require you to use in-network surgeons.
Call your Advantage plan before scheduling and ask what you will pay for cataract surgery at your chosen surgeon's office. Ask specifically whether the surgeon is in-network and what the plan's coinsurance is. If your surgeon is out-of-network, your costs will be higher or the plan may not cover the surgery at all.
Frequently Asked Questions
Can I get Medicare to cover the laser if my surgeon says it is medically necessary for my eyes?
No. Medicare has a national policy that the femtosecond laser is not medically necessary for cataract surgery, even if your individual surgeon believes it would benefit you. You can appeal this decision, but Medicare's coverage rules rarely change based on individual cases. Your best option is to discuss the cost with your surgeon and decide whether the laser upgrade is worth the out-of-pocket expense for your situation.
What if I cannot afford to pay for laser surgery out of pocket?
You can have traditional cataract surgery covered by Medicare at no cost beyond your normal coinsurance. Traditional surgery is safe and effective, and most people see significant vision improvement. The laser is an option, not a requirement. Talk with your surgeon about what traditional surgery would involve and what results you can expect.
Does Medigap cover the laser portion of cataract surgery?
No. Medigap plans cover coinsurance and deductibles for services Medicare covers, but they do not cover services Medicare does not cover. Since Medicare does not cover the laser, Medigap will not either. You would need to pay the laser cost entirely out of pocket.
Will my vision be worse if I choose traditional surgery instead of laser?
For most people, no. Studies show that traditional and laser cataract surgery produce similar vision outcomes. Your surgeon's skill and the quality of your artificial lens matter more than the technique used. If you have specific eye conditions, ask your surgeon whether the laser would make a meaningful difference for you personally.
Can I have one eye done with Medicare coverage and pay for laser on the other eye?
Yes. You can choose traditional surgery on one eye and laser on the other, or any combination. Each eye is billed separately. However, your surgeon may recommend the same approach for both eyes for consistency. Discuss your preferences and budget with your surgeon before scheduling.