Medicare covers some eye surgeries but not others, and the amount you pay depends on which part of Medicare you have and what type of surgery it is

Medicare Part B covers eye surgery when it treats a medical condition — cataract removal, corneal transplant, or surgery to repair a detached retina. It does not cover surgery purely to change how your eye focuses, such as LASIK or PRK, because Medicare classifies those as elective or cosmetic. If you have a cataract that clouds your vision, Medicare will pay for the surgery to remove it. If you want surgery to reduce your dependence on glasses, you will pay the full cost yourself.

The coverage rules are the same whether you have Original Medicare (Part A and Part B) or a Medicare Advantage plan, but your out-of-pocket costs will differ. With Original Medicare, you typically pay 20 percent of the approved amount after you meet your Part B deductible. With a Medicare Advantage plan, your costs depend on the specific plan — some charge a copay per visit, others charge a percentage, and some cover certain surgeries with no cost to you.

Key Takeaways

  • Medicare Part B covers eye surgery for medical conditions like cataracts, retinal detachment, and corneal disease, but not for vision correction like LASIK.
  • With Original Medicare, you pay 20 percent of the approved cost after meeting your Part B deductible; with Medicare Advantage, your cost depends on your plan.
  • Your eye doctor must document that the surgery treats a medical condition, not just improves vision, for Medicare to cover it.
  • You should contact your plan before surgery to confirm coverage and ask whether the surgeon is in-network, because out-of-network costs are much higher.

Which Eye Surgeries Medicare Covers

Medicare Part B covers surgery to treat disease or injury to the eye. The most common is cataract surgery, where the clouded lens is removed and usually replaced with an intraocular lens implant. Medicare covers the surgery itself, the implant, and one pair of glasses or contact lenses after surgery if you need them to see clearly.

Medicare also covers surgery for retinal conditions — detached retina, macular hole, or epiretinal membrane — because these threaten vision. It covers corneal transplant when the cornea is scarred or diseased. It covers glaucoma surgery to lower eye pressure and prevent vision loss. It covers ptosis surgery to lift a drooping eyelid that blocks vision. It covers surgery to remove floaters or vitreous hemorrhage if they significantly impair sight.

The key word is medical. The surgery must treat a disease, injury, or condition that affects your eye health — not straightforward improve how well you see or reduce your need for glasses. Your ophthalmologist or optometrist must document in your medical record that the surgery is medically necessary, not elective.

Eye Surgeries Medicare Does Not Cover

Refractive surgery — LASIK, PRK, RK (radial keratotomy) — is not covered because Medicare considers it elective. These procedures reshape the cornea to reduce your need for glasses or contacts. Even if your vision is very poor and you would benefit greatly from the surgery, Medicare will not pay for it. You will pay the full cost out of pocket, which typically ranges from $1,500 to $3,000 per eye depending on the provider and the complexity of your vision.

Medicare does not cover cosmetic eye surgery — blepharoplasty (eyelid lift) for appearance, or surgery to change eye color. It does not cover routine eye exams, glasses, contact lenses, or eye drops, except in specific circumstances after cataract surgery.

If your eye doctor recommends surgery and you are unsure whether Medicare will cover it, ask your doctor to explain why the surgery is medically necessary. Your doctor can submit a request to Medicare (called a prior authorization) before the surgery to confirm coverage. This takes a few days and protects you from unexpected bills.

How Much You Pay With Original Medicare

With Original Medicare Part B, you pay 20 percent of the approved amount after you meet your annual Part B deductible (which is $240 in 2024, though this amount changes each year). Medicare sets an approved amount for each type of surgery based on a national fee schedule. Your surgeon must accept Medicare's approved amount as payment in full — they cannot bill you for the difference.

For example, if Medicare's approved amount for cataract surgery is $3,000, and you have already met your deductible, you pay $600 (20 percent) and Medicare pays $2,400. If you have not met your deductible, you pay the full deductible first, then 20 percent of the remaining cost.

If your surgeon is not a Medicare provider or does not accept Medicare assignment, costs can be much higher. A non-participating provider can charge up to 15 percent more than Medicare's approved amount. You are responsible for the full bill. Before scheduling surgery, confirm that your surgeon accepts Medicare and accepts assignment.

How Much You Pay With Medicare Advantage

Medicare Advantage plans (Part C) must cover the same surgeries that Original Medicare covers, but they set their own cost-sharing. Some plans charge a copay per surgical visit — for example, $250 for an outpatient procedure. Others charge a percentage of the cost, similar to Original Medicare's 20 percent. Some plans cover certain surgeries with no copay at all.

Your out-of-pocket maximum also matters. Medicare Advantage plans have an annual out-of-pocket maximum (ranging from roughly $6,700 to $10,000 in 2024, depending on the plan). Once you reach that maximum in a calendar year, the plan pays 100 percent of covered costs for the rest of the year.

The best step is to call your plan's customer service number — on the back of your insurance card — and tell them the type of surgery your doctor has recommended. Ask what your copay or coinsurance will be, whether the surgeon is in-network, and whether the plan requires prior authorization. Plans often require authorization before surgery to confirm it is covered.

Checking Coverage Before Surgery

Do not assume Medicare will cover your surgery just because your eye doctor recommends it. Take these steps before the procedure:

  1. Ask your eye doctor whether the surgery is medically necessary and why. Request that they document this in your medical record.
  2. If you have Original Medicare, call Medicare directly at 1-800-MEDICARE (1-800-633-4227) and describe the surgery. Ask whether it is a covered service. You can also ask your doctor's office to submit a prior authorization request on your behalf.
  3. If you have Medicare Advantage, call your plan's customer service number and provide the surgery type and your doctor's name. Ask about your copay, whether prior authorization is required, and whether your surgeon is in-network.
  4. Ask your surgeon's office to verify coverage with Medicare or your plan. Many offices do this routinely and can tell you in advance what you will owe.
  5. Get the answer in writing if possible. If you receive a verbal confirmation, note the date, time, and name of the person who confirmed it.

If Medicare or your plan denies coverage, you have the right to appeal. Your doctor can submit additional medical records to support the request. The appeals process takes time, so do not delay if you need the surgery urgently.

Supplemental Insurance and Eye Surgery

If you have a Medigap (supplemental insurance) plan, it may cover some of the 20 percent coinsurance you would pay under Original Medicare. Medigap plans vary — some cover 100 percent of the coinsurance, others cover 80 percent, and some do not cover surgical costs at all. Check your Medigap policy or call your supplemental insurance company to see what it covers for eye surgery.

Medigap does not change what Medicare covers — it only reduces what you pay out of pocket for covered services. If Medicare does not cover a surgery (like LASIK), Medigap will not cover it either.

Frequently Asked Questions

Does Medicare cover the cost of glasses after cataract surgery?

Yes. After cataract surgery, Medicare covers one pair of eyeglasses or contact lenses (your choice) if you need them to see clearly. This is a one-time benefit per eye. The glasses must be prescribed by your eye doctor after surgery and obtained within a certain timeframe. You pay 20 percent of the approved amount after your Part B deductible.

Will Medicare cover LASIK if my vision is very bad?

No. Medicare does not cover LASIK, PRK, or other refractive surgery regardless of how poor your vision is. These procedures are classified as elective because they correct vision rather than treat disease. You will pay the full cost out of pocket, typically $1,500 to $3,000 per eye.

What if my eye doctor says the surgery is medically necessary but Medicare denies it?

You can appeal. Ask your doctor to submit additional medical records or a detailed letter explaining why the surgery is necessary to preserve or restore your vision. The appeal process usually takes two to four weeks. If you disagree with the appeal decision, you can request a hearing before an administrative law judge.

Do I need prior authorization before eye surgery?

It depends on your plan. Original Medicare does not always require it, but your doctor's office can request one to confirm coverage in advance. Medicare Advantage plans often require prior authorization. Contact your plan or Medicare before surgery to find out whether authorization is needed.

Can my surgeon bill me for the difference between their fee and Medicare's approved amount?

No, if they accept Medicare assignment. A participating Medicare provider agrees to accept Medicare's approved amount as full payment. If your surgeon does not accept assignment, they can charge up to 15 percent more, and you are responsible for the full bill. Always confirm that your surgeon accepts Medicare assignment before scheduling.