Cataracts are the single most common surgery covered by Medicare, and California performs more of them than any other state. By age 75, about half of all adults have cataracts and most will choose surgery within a few years of diagnosis. The good news is that Medicare covers the procedure well, the bad news is that the lens choices and the surgery center bills can feel confusing. This guide walks through what Original Medicare covers in 2026, what a California Medicare Advantage plan pays, and the small decisions that change your final bill by hundreds or even thousands of dollars.
What Medicare Covers for Cataract Surgery
Cataract surgery is covered under Medicare Part B as an outpatient procedure, even though it happens in a surgery center or a hospital outpatient department. The covered package includes the pre-op evaluation, the surgeon's fee, the facility fee, the standard monofocal intraocular lens, the anesthesia, and one follow-up visit. After surgery, one pair of regular eyeglasses or one set of contact lenses is also covered under Part B, which is a special benefit since Medicare normally does not pay for routine eyewear. For more on what routine vision care Medicare does and does not cover, see our guide on Medicare dental, vision and hearing benefits in California.
Medicare will only pay when an eye doctor documents that the cataract is causing meaningful vision loss. Mild lens cloudiness without symptoms is not a covered reason for surgery. Most California eye doctors use a vision threshold around 20/40 or worse, plus the patient reporting trouble with driving, reading, or glare.
What You Pay Under Original Medicare
Under Original Medicare in 2026, you pay the annual Part B deductible of $257 if you have not already met it, then 20 percent of the Medicare-approved amount for the surgery. The Medicare-approved amount for cataract surgery in an ambulatory surgery center in California is roughly $1,800 to $2,400 per eye in 2026, which puts your share at about $360 to $480 per eye. In a hospital outpatient department the approved amount is higher and your 20 percent runs closer to $500 to $700 per eye. A Medigap policy fills in most or all of that 20 percent. For background on how Medigap interacts with Part B, see our guide to Medicare supplement plans in California.
What You Pay Under a California Medicare Advantage Plan
Most California Medicare Advantage plans charge a flat copay for outpatient cataract surgery, usually between $0 and $400 per eye in network. Pre-op and post-op visits with the surgeon usually run $0 to $50 each. Plans from SCAN, Kaiser Permanente Senior Advantage, Anthem, Humana, UnitedHealthcare, Aetna, Alignment Health, and Blue Shield of California all cover cataract surgery, but the copay, the network of surgeons, and the pre-authorization rules vary. Several California plans now include an annual eyewear allowance of $200 to $400 on top of the post-cataract glasses benefit, which means your new frames after surgery can be free.
California tip: Some Medicare Advantage plans require pre-authorization for cataract surgery and a referral from the in-network optometrist or primary care doctor. Ask the plan for the written authorization before you sign any cost estimate from the surgery center. This avoids the surprise bills that happen when the surgery is done before the paperwork clears.
The Premium Lens Decision
The biggest cost decision is the lens implant. Medicare pays for a standard monofocal lens, which gives clear vision at one distance, usually distance. With a monofocal lens you will still need reading glasses afterward, and that is normal. Premium lenses are an upgrade you pay for separately. The most common choices in California in 2026 are:
- Multifocal lens: distance and near in one lens, roughly $2,000 to $3,500 per eye out of pocket.
- Extended depth of focus (EDOF) lens: distance and intermediate, less glare, roughly $1,800 to $3,000 per eye.
- Toric lens: corrects astigmatism, roughly $1,500 to $2,200 per eye.
- Light adjustable lens: tuned after surgery with UV light, roughly $3,000 to $4,500 per eye.
Medicare still pays its full share when you choose a premium lens. The extra cost is only the difference between the standard lens package and the premium package, plus any premium imaging or laser work the surgeon adds.
Side-by-Side Cost Comparison
| Cost Item | Original Medicare | Typical California Medicare Advantage |
|---|---|---|
| Pre-op visit | 20% after deductible | $0 to $50 copay |
| Surgery at ASC, standard lens | Roughly $360 to $480 per eye | $0 to $400 copay per eye |
| Surgery at hospital outpatient | Roughly $500 to $700 per eye | $200 to $600 copay per eye |
| Post-op visit | 20% after deductible | $0 to $50 copay |
| One pair of glasses after surgery | Covered, 20% coinsurance | Covered, often $0 |
| Premium lens upgrade | Not covered, $1,500 to $4,500 per eye | Not covered, $1,500 to $4,500 per eye |
Medi-Cal and Cataract Surgery
If you have both Medicare and Medi-Cal in California, your out-of-pocket cost for the standard surgery is usually zero. Medi-Cal pays the 20 percent Medicare leaves behind, and it also covers the Part B deductible. The premium lens upgrade is still not covered, but the standard lens is, and so are the post-op glasses. See our guide on Medi-Cal and Medicare double benefits in California for the rest of the picture.
How to Prepare for Surgery in California
Find a Surgeon Who Accepts Medicare
Use Medicare.gov's care compare tool or your Medicare Advantage plan directory. Confirm the surgeon and the surgery center both accept Medicare assignment. In Los Angeles, Orange County, San Diego, and the Bay Area there are dozens of ambulatory surgery centers that do hundreds of cataract cases a year. Volume matters. A surgeon who does cataracts every week has fewer complications than one who does them occasionally.
Before your cataract surgery in California:
- Confirm your surgeon and surgery center accept Medicare assignment
- Get an itemized cost estimate separating the standard package from any premium lens charge
- Ask your Medicare Advantage plan whether pre-authorization or a referral is required
- Arrange a ride home, since driving yourself the day of surgery is not allowed
- Plan financially for a second surgery if you have cataracts in both eyes
Plan for Two Surgeries
Most people who have cataracts in one eye will need surgery on the other eye within a year or two. Plan financially for both. If you are on Original Medicare and the second surgery happens in the same calendar year, you will only pay the Part B deductible once.
If you are helping a Spanish-speaking parent or family member who is facing the same decision, our sister site Beneficios Medicare covers Medicare topics in Spanish.
Comparing Medicare plans before your cataract surgery?
A free 15-minute review with a licensed California Medicare agent can confirm what your plan pays, find an in-network surgeon, and explain the premium lens choice in plain language.
Request a Free Plan ReviewFrequently Asked Questions
Does Medicare cover laser cataract surgery in California?
Medicare covers the medically necessary part of the surgery using either traditional or laser technique. If the laser is used for astigmatism correction or premium lens placement, that portion is billed as a premium upgrade and you pay it out of pocket. The basic laser cataract removal at the same approved amount as traditional surgery is covered.
What is the recovery time?
Most people see clearly within 24 to 48 hours and resume normal activities in a week. Eye drops continue for three to four weeks, and the surgeon usually wants you to avoid heavy lifting and swimming for two to three weeks. The second eye is typically scheduled two to four weeks after the first.
Can I drive home after surgery?
No. The surgery center requires a friend or family member to drive you home, and most will not let you take a rideshare alone the day of surgery. Plan transportation in advance. Many California Medicare Advantage plans include free transportation to surgical appointments.
What if I have cataracts in both eyes?
Surgery is done one eye at a time. The standard approach in California is the worse eye first, then the second eye two to four weeks later. This gives each eye time to heal and gives the surgeon a chance to refine the lens calculation for the second eye based on the result of the first.