Medicare · Cornerstone
Medicare, dental, vision, and hearing
Last reviewed June 11, 20263 min readBy the Goodsurance editorial team Reviewed by the Goodsurance editorial team
This is one of the biggest surprises new enrollees run into, because it runs against common sense. You finally have health coverage built for older adults, the exact group most likely to need glasses, hearing aids, and dental work, and routine versions of all three are the things Original Medicare leaves out. Understanding the gap precisely, including the medically necessary exceptions that do get covered, is what lets you plan for it instead of being caught off guard.
1What Original Medicare leaves out
Original Medicare (Part A and Part B) does not pay for routine dental care, routine eye exams for glasses, eyeglasses or contacts in most cases, routine hearing exams, or hearing aids. These are not oversights you can appeal; they are written into what the program covers. So the cleaning, the cavity, the new glasses, and the hearing aids are, by default, your cost.
That default is exactly why so many Medicare Advantage plans advertise these benefits so loudly: they are filling a real and well-known gap, and it is one of the main reasons people choose that path.
2The medically necessary exceptions
The blanket statement "Medicare does not cover dental, vision, or hearing" is not quite complete, and the exceptions matter because they are the expensive ones. Medicare covers care in these areas when it is medically necessary rather than routine:
- Vision: Medicare covers cataract surgery and, after it, a basic pair of corrective lenses, plus certain medical eye care such as treatment for glaucoma or macular degeneration. What it does not cover is the routine refraction exam to update your glasses prescription.
- Dental: Medicare generally excludes routine dental, but it covers dental services that are an integral part of a covered procedure. This area has been widening in recent years, so the current rule is worth checking.
- Hearing: Medicare covers diagnostic hearing and balance exams when a doctor orders them to diagnose a medical problem, even though it does not cover routine hearing tests or the aids themselves.
The line throughout is medical necessity. If the care is treating a diagnosed problem, Medicare often pays; if it is routine maintenance, it usually does not.
| Routine | Medically necessary | |
|---|---|---|
| Vision | ✗ | Cataract surgery + one pair of lenses |
| Dental | ✗ | Tied to a covered procedure |
| Hearing | ✗ | Doctor-ordered diagnostic exams |
Routine care is not covered; medically necessary care often is. Source: CMS.
3The ways people fill the gap
There is no single right answer here; these are trade-offs, not a ranked list with a winner. A Medicare Advantage plan bundles some dental, vision, and hearing, but the extras live inside the plan's networks and the specific allowance varies a great deal from plan to plan, the brochure number is a cap, not unlimited coverage. A standalone dental or dental-vision-hearing plan keeps your medical and dental coverage independent and lets you choose a benefit level, at the cost of a separate premium and often waiting periods. Paying out of pocket, deliberately, can be simpler for someone with low routine needs, with the trade-off of exposure if a big need appears.
- Most MA plans bundle some DVH
- Inside the plan network; an annual cap
- Buy dental or DVH separately
- A separate premium; often waiting periods
- Simplest for low routine needs
- Exposure if a big need appears
4The benefit that gets oversold: hearing aids
Hearing aids deserve a specific caution because they are expensive and because the benefit is the one most easily misread. When a plan advertises a hearing-aid benefit, it is typically an allowance applied toward the cost through specific providers, not blanket coverage of any device you choose. That can still be real, useful money, but it is worth knowing the shape of it before you choose a plan primarily for that reason. The same caution applies to high-end dental work: an annual allowance can be used up quickly by a single major procedure.
The dental, vision, or hearing number on a plan brochure is an annual ceiling, not unlimited coverage. One major procedure, or a pair of hearing aids, can use the whole year's allowance. Read the specific plan's benefit, not the category.
Common questions about Medicare
Quick answers to common questions
Tap any question to expand. Each question links to a fuller standalone answer.
Does Medicare cover hearing aids?
Original Medicare does not cover hearing aids or the exams used to fit them.
Some Medicare Advantage plans include a hearing benefit, but coverage varies by plan.
Does Medicare pay for hearing aids
Original Medicare does not cover hearing aids or fittings.
Some Medicare Advantage plans may include a hearing benefit, but what they cover varies by plan.
Does Medicare cover vision care?
Mostly no for routine care.
In 2026, Original Medicare does not cover routine eye exams for glasses or contact lenses, and it does not pay for the glasses or contacts themselves. It does cover some medical eye care: yearly glaucoma screenings for people at high risk, diabetic retinopathy exams, treatment for eye diseases, and cataract surgery (including one pair of standard glasses or contacts afterward). For those covered services you pay 20% after the $283 Part B deductible. Many Medicare Advantage plans add a routine vision benefit covering eye exams and an allowance for glasses.
Can I get Medicare before 65?
Yes, you can get Medicare before 65 in specific situations.
If you have received Social Security Disability Insurance for 24 months, you become eligible automatically in month 25. People with End-Stage Renal Disease (permanent kidney failure that needs dialysis or a transplant) can qualify regardless of age, and people diagnosed with ALS qualify the month their disability benefits begin, with no 24-month wait. Outside of these paths, the standard eligibility age remains 65. Your work history, or your spouse's, still determines whether your Part A is premium-free.
Do I qualify for Medicare if I never worked?
You can still qualify for Medicare even if you never worked, though the cost of Part A may differ.
Medicare eligibility itself is based on age (65) or a qualifying disability or condition, not on your own work record. What your work history affects is whether your Part A (hospital coverage) is premium-free: you earn that by paying Medicare taxes for about 10 years, or roughly 40 work credits. If you did not earn enough credits, you may qualify through a current, former, or deceased spouse's record, or you can buy into Part A by paying a monthly premium. Part B (medical coverage) carries a standard premium for everyone regardless of work history.
Is Medicare based on income?
No, basic Medicare eligibility is not based on income.
You qualify by reaching age 65, or earlier through a qualifying disability or condition, regardless of how much you earn or own. Income does affect two things, but not your right to enroll. First, your Part A (hospital coverage) is premium-free if you or your spouse paid Medicare taxes long enough; otherwise you can buy in. Second, higher earners pay an income-related surcharge on their Part B and Part D premiums, called IRMAA (Income-Related Monthly Adjustment Amount). Lower-income enrollees may also qualify for help with costs through programs like Medicare Savings Programs.
What is the difference between Medicare and Medicaid?
Medicare and Medicaid are different programs: Medicare is federal health coverage based mainly on age or disability, while Medicaid is a joint federal and state program based on limited income and resources.
Medicare covers people 65 and older, and some younger people with disabilities, regardless of income. Medicaid covers people of any age who meet income and asset limits set by their state, so eligibility rules vary by where you live. Medicare has premiums, deductibles, and cost sharing; Medicaid usually has little or no cost sharing for those who qualify. Some people have both, which is called being dual-eligible. The names sound alike but the programs work differently.
Can I have both Medicare and Medicaid?
Yes, you can have both Medicare and Medicaid at the same time, and people who do are called dual-eligible.
This happens when you qualify for Medicare through age or disability and also meet your state's income and resource limits for Medicaid. When you have both, Medicare usually pays first and Medicaid helps cover costs Medicare does not, such as certain premiums, deductibles, and copayments, and it may cover services Medicare does not, like long-term care. Being dual-eligible often qualifies you automatically for Extra Help, the federal program that lowers prescription drug costs. The two programs coordinate so you are not paying twice.
Is Medicaid based on income and Medicare based on age?
That is mostly correct, with some nuance.
Medicaid eligibility is based on limited income and resources, with limits set by each state, so it depends on what you earn and own. Medicare eligibility is based mainly on age, starting at 65, or on a qualifying disability or condition, and does not depend on income to enroll. So the short version holds: Medicaid is the income-based program, Medicare is the age or disability based program. The nuance is that income still affects Medicare costs, since higher earners pay a surcharge called IRMAA (Income-Related Monthly Adjustment Amount), and lower-income enrollees can get help with Medicare costs.
Does Medicaid help pay Medicare costs?
Yes, Medicaid can help pay Medicare costs for people who qualify for both.
When you are eligible for both programs, known as dual-eligible, Medicaid can cover costs Medicare leaves to you, which may include your Part B (medical) premium, deductibles, copayments, and coinsurance, depending on your state and the help you qualify for. Medicaid can also pay for services Medicare does not cover, such as long-term nursing care. This coordination is one of the main benefits of having both: Medicare pays first, and Medicaid fills in behind it. Qualifying for this help is based on your income and resources, set by your state.
What is the difference between Original Medicare and Medicare Advantage?
Original Medicare and Medicare Advantage are two different ways to get your Medicare coverage.
Original Medicare is the federal program made up of Part A (hospital) and Part B (doctor and outpatient). It lets you see any provider that accepts Medicare, but it has no yearly out-of-pocket cap and no built-in drug coverage. Medicare Advantage, also called Part C, is offered by private plans that bundle your Part A and Part B benefits, usually add a yearly out-of-pocket limit, and often include drug coverage and extra benefits. The trade-off is that Medicare Advantage plans typically use provider networks, meaning you may need to use certain doctors. Which fits you depends on your priorities around cost, flexibility, and benefits.
What are the parts of Medicare?
Medicare has four parts, labeled A, B, C, and D.
Part A covers inpatient hospital stays, skilled nursing care, and some home health care. Part B covers doctor visits, outpatient care, preventive services, and durable medical equipment. Together, Part A and Part B are called Original Medicare. Part C, also called Medicare Advantage, is a way to get your Part A and Part B benefits bundled through a private plan, often with extra benefits. Part D covers prescription drugs. You can keep Original Medicare and add a separate Part D drug plan, or you can choose a Part C plan that may include drug coverage. Each path has different costs and rules.
References
- Medicare.govDental, vision, and hearing coverage and the medically necessary exceptions.
- CMS, Centers for Medicare & Medicaid ServicesThe expanding scope of medically necessary dental coverage. cms.gov