Yes, Medicare covers cataract surgery. Part B pays for the procedure and a standard replacement lens, leaving you responsible for 20% of the Medicare-approved amount after your annual deductible. But what you actually end up paying depends on the type of lens you choose, where you have the surgery, and whether you have Original Medicare or a Medicare Advantage plan.
What Part B Covers
Medicare Part B treats cataract surgery as an outpatient procedure. It covers the removal of the clouded lens and the implantation of a conventional intraocular lens, which is a basic single-focus lens. It also covers the pre-surgical eye exam and a scan to measure your eye for the replacement lens. In most cases, that means one comprehensive eye exam and one ultrasound scan. If your cataract is especially dense, a different type of scan may be used instead, and Medicare will cover that too.
After surgery, Part B covers one pair of eyeglasses with standard frames or one set of contact lenses. You pay 20% of the Medicare-approved amount for the corrective lenses, and if you want upgraded frames, you cover the difference. The glasses or contacts must come from a supplier enrolled in Medicare, or the claim won’t be paid.
Your Out-of-Pocket Costs
The Part B deductible for 2025 is $257. Once you’ve met that for the year, you pay 20% of the Medicare-approved amount for both the surgeon’s fee and the facility fee. That 20% applies whether you have the surgery in a hospital outpatient department, an ambulatory surgical center, or a doctor’s office. The total dollar amount varies because Medicare-approved rates differ by location and facility type.
If your doctor accepts assignment, meaning they agree to accept the Medicare-approved amount as full payment, you won’t be billed beyond your 20% coinsurance. Most doctors who treat Medicare patients do accept assignment, but it’s worth confirming before scheduling.
A Medigap (Medicare Supplement) plan can reduce or eliminate that 20% coinsurance. If you have one, check whether it covers Part B coinsurance for outpatient surgery.
Premium Lenses Cost Extra
Medicare covers a conventional monofocal lens, which corrects vision at one distance. You’ll still need glasses for reading or distance after surgery. If you want a lens that corrects for multiple distances (a multifocal lens) or one that corrects astigmatism (a toric lens), Medicare will pay only what it would have paid for the standard lens, currently $105, and you pay everything above that.
The extra charges for a premium lens can be significant. They include the price difference between the standard and premium lens, additional fitting and testing your surgeon performs specifically for the premium lens, any follow-up exams beyond the single post-surgical visit Medicare covers, and facility fees for specialized imaging equipment used during the procedure. Your surgeon’s office should give you a clear breakdown of these costs before you commit. You always have the right to choose the standard lens at no extra charge beyond normal coinsurance.
Laser-Assisted Surgery and Coverage
Some surgeons offer laser-assisted cataract surgery, which uses a computer-controlled laser instead of a handheld blade to make incisions and break up the lens. Medicare pays the same amount regardless of whether your surgeon uses a laser or a traditional blade. The key steps of the procedure, including the incision, the capsule opening, and lens fragmentation, are covered no matter which method is used, and your surgeon cannot charge you extra just for using a laser to perform those steps.
However, if laser-assisted surgery is combined with a premium lens, the additional imaging and fitting required for that lens can be billed to you. The laser itself isn’t the extra charge; the premium lens services are. If you’re getting a standard lens, the laser approach should not add to your out-of-pocket costs.
Medical Necessity Requirements
Medicare doesn’t approve cataract surgery based on a specific vision score. There is no universal visual acuity threshold you must hit. Instead, your surgeon documents that the cataract is interfering with your daily life: difficulty reading, watching television, driving, or performing your job. The documentation must also confirm that the cataract, not another eye condition like macular degeneration or diabetic retinopathy, is the primary cause of your vision problems.
If you do have another eye condition alongside a cataract, surgery can still be approved as long as your surgeon attests that the cataract is significantly contributing to your vision loss. You also need to indicate that your current vision is no longer adequate and that you want the surgery. Cataract surgery is considered elective, so the decision and timing are ultimately yours.
Original Medicare vs. Medicare Advantage
If you have Original Medicare (Parts A and B), you can see any ophthalmologist in the country who accepts Medicare. You generally don’t need prior authorization or a referral to a specialist.
Medicare Advantage plans (Part C) must cover everything Original Medicare covers, including cataract surgery. But the process differs in a few ways. You may need to choose a surgeon within your plan’s network. Going out of network for a non-emergency procedure like cataract surgery could mean higher costs or no coverage at all, depending on your plan type. Many Medicare Advantage plans require prior authorization before they’ll approve the surgery, and some require a referral from your primary care doctor first.
On the other hand, Medicare Advantage plans sometimes offer lower coinsurance or a fixed copay for outpatient surgery instead of the 20% coinsurance under Original Medicare. Some plans also include extra vision benefits that could cover upgraded frames or additional eye exams. Check your plan’s Summary of Benefits for the specific copay or coinsurance amount for outpatient surgery, and confirm whether prior authorization is required so you don’t face unexpected denials.
Pre-Surgery Tests That Are Covered
Medicare covers one comprehensive eye exam and one lens measurement scan before surgery. For a straightforward cataract, that’s typically all you need. If your surgeon orders additional diagnostic tests, Medicare will only pay for them if there’s a documented medical reason beyond the cataract itself, such as a separate eye condition that needs evaluation.
If you decide to delay surgery or switch to a different surgeon, a second pre-operative exam may be covered as long as it’s medically appropriate. The new surgeon may need their own measurements, and Medicare recognizes that as a reasonable expense. Just be aware that tests ordered without a documented justification can be denied, leaving you with the bill.