Dental and Vision Care in Japan: A Foreigner’s Guide
New in Japan and confused about dental and vision care? This guide explains what NHI covers, what is private, how to find English-speaking dentists and eye clinics, typical visit steps, kid care, braces, glasses, LASIK, emergency tips, and claim refunds.
Dental and vision care in Japan explained
If you’re used to the “dental insurance vs medical insurance” split in other countries, Japan’s system is a little different. Most medically necessary dental and eye treatments are covered by public health insurance—either National Health Insurance (NHI) or Employees’ Health Insurance (EHI)—with a typical 30% copay at the counter. But many elective or cosmetic services are private and billed at full price. Knowing where the line is will save you money and stress.
Not sure how NHI works yet? Start with Japan’s National Health Insurance: What You Need to Know and then come back here to plan your dental and vision visits. If you’re weighing top-up plans or English-first private clinics, compare your options in Private Health Insurance and Clinics for Expats in Japan.

What is covered and what is not
Here’s a quick reference for dental care in Japan and vision care in Japan under public insurance, plus typical private-only items:
| Area | Usually covered by NHI/EHI | Your copay | Often private or not covered |
|---|---|---|---|
| Dental checkups and fillings | Decay treatment, fillings, X-rays if medically necessary | ~30% | Cosmetic fillings and requests for non-standard materials |
| Root canal and crowns | Root canal therapy; crowns with approved materials | ~30% | All-ceramic or premium materials by preference |
| Extractions and oral surgery | Medically necessary extractions, infections, minor surgery | ~30% | Wisdom tooth extraction under special non-medical requests (case-dependent) |
| Periodontal treatment | Scaling, periodontal therapy when diagnosed | ~30% | Cosmetic cleaning or whitening-only visits |
| Orthodontics | — | — | Braces and aligners are usually private unless medically indicated (rare) |
| Dental implants | — | — | Typically private |
| Eye disease care | Conjunctivitis, glaucoma, cataracts, dry eye disease, infections | ~30% | Routine vision screening solely for glasses purchase |
| Cataract surgery | Covered; standard intraocular lens | ~30% | Premium or multifocal lenses, special packages |
| Glasses and contacts | — | — | Frames, lenses, contact lenses, and fittings are typically private |
| Medical certificates | Sometimes required for work/school | — | Often private fee |
If you need help interpreting charges or receipts, bookmark Understanding Japanese Medical Bills and Insurance Claims. It decodes the point system and copays so you can spot mistakes and claim refunds later via Claiming Health Insurance Reimbursements in Japan if you paid full price by accident.
Finding an English-speaking dentist or eye clinic
Big cities have plenty of foreigner-friendly options. You can:
- Search for “English-speaking dentist Tokyo” or your ward name, and check the clinic’s English page.
- Ask large hospitals’ International Patient Services desks for a referral; see Top 5 English-Speaking Hospitals in Tokyo (Foreigner-Friendly) for hospital options that coordinate in English.
- For everyday care, a local dental clinic or ophthalmology clinic is usually faster (and cheaper) than a big hospital. If you’re unsure which setting to choose, compare in Clinics vs Hospitals in Japan.
When you book, ask whether the clinic accepts public insurance or is private-only, and whether your private insurer has direct billing or you’ll pay-then-claim (explained in Private Health Insurance and Clinics for Expats in Japan).
How a dental visit works
- Booking: Many clinics accept online bookings. If you prefer English, call and confirm that an English-speaking dentist or assistant is available.
- Reception: Bring your NHI/EHI card, Residence Card, and a medication list. If it’s your first visit, you’ll fill a short form.
- Exam and X-rays: If decay or gum disease is suspected, expect an exam plus X-rays.
- Treatment plan: The dentist will explain options, which may include an insured path and a private path (for materials or cosmetic outcomes).
- Payment: Pay your 30% copay for insured items and full price for private items. Keep itemized receipts in case you need to seek reimbursement later—see Claiming Health Insurance Reimbursements in Japan.
Materials matter in Japan
For crowns and fillings, you’ll often choose between insured materials and private upgrades. Use this table to set expectations:
| Dental material or option | Typical use | Insured vs private | Pros | Considerations |
|---|---|---|---|---|
| Composite resin filling | Small to medium cavities | Insured when indicated | Tooth-colored; quick | May wear faster on large surfaces |
| Amalgam or metal alloys | Molars, strength | Insured | Durable, cost-effective | Aesthetics; metal color |
| Metal crown | Molars | Insured | Strong and affordable | Visible metal; aesthetics |
| Porcelain-fused-to-metal | Visible teeth | Often private | Better aesthetics | Higher cost |
| All-ceramic or zirconia crown | High aesthetics | Private | Natural look, strength | Higher cost; not insured by preference |
| Whitening | Cosmetic | Private | Whiter smile | Not medical; full price |
| Implants | Tooth replacement | Private | Stable long-term option | Expensive; multiple visits |
Tip: It’s normal for Japanese dental clinics to present both insured and private options. Ask for a written estimate and clarify which line items are covered vs private.
Orthodontics and aligners in Japan
Braces in Japan (metal, ceramic, lingual) and clear aligners (including popular brands) are widely available but are usually private, meaning you pay full price. A few cases—such as severe jaw misalignment requiring orthognathic surgery—can be partly covered if deemed medically necessary, but that’s the exception.
What to know:
- Consultations: Expect a consultation with imaging and molds or scans.
- Treatment plan: Ask about total treatment time, number of visits, and retention phase.
- Payment: Many orthodontic clinics offer installment plans. Public insurance typically does not apply to cosmetic alignment.
- Documentation: Keep estimates and receipts; private insurance abroad may reimburse parts of orthodontics if your policy includes it.
If you’re pairing orthodontics with international travel, check how your private plan handles follow-up abroad; learn the basics of private claims in Private Health Insurance and Clinics for Expats in Japan.
Dental hygiene, prevention, and kids’ care
Japan’s dental system puts a big emphasis on prevention:
- Professional cleaning and scaling are covered when periodontal disease is diagnosed; purely cosmetic “polishing” may be private.
- Many schools conduct annual dental screenings and send home a note if an issue is found.
- Fluoride treatments and sealants for kids may be covered when medically indicated; ask your dentist.
For night or weekend care, compare your options in After-Hours Healthcare and 24/7 Pharmacies in Japan—some wards list on-call dental clinics for emergencies.
Dental emergencies and after-hours options
If you have severe pain, facial swelling, or trauma, you may need urgent dental care. Options include:
- On-call dental clinics designated by your ward, typically evenings or weekends.
- Large hospitals’ oral surgery departments for trauma or complex infection.
- Dial 119 for an ambulance in life-threatening emergencies.
If you end up paying more than expected late at night, keep the itemized receipt and claim later using Claiming Health Insurance Reimbursements in Japan. For true emergencies vs urgent-but-not-ER needs, see Clinics vs Hospitals in Japan.
Vision care in Japan
In Japan, ophthalmology clinics (眼科, ganka) handle most medical eye care. For glasses and contacts, you’ll also find eyewear stores with adjacent eye-check services. Here is how the pieces fit together:
- Medical eye care: For infections, dry eye, glaucoma, cataracts, injuries, and disease management, go to an ophthalmology clinic (or a hospital department). These visits are generally covered by NHI/EHI with a copay.
- Glasses and contacts: Most frames, lenses, and contacts are private purchases. Shops may offer basic vision checks geared to sales; for any medical issue or accurate prescription with history, see an ophthalmologist first.
If you want an English-speaking eye clinic, check hospital lists in Top 5 English-Speaking Hospitals in Tokyo (Foreigner-Friendly) or search for “English ophthalmology” plus your ward. For telemedicine refills or advice on follow-ups, see Telemedicine in Japan.
Eye exams and prescriptions
What to expect:
- Medical visit at an ophthalmology clinic: History, visual acuity, slit-lamp exam, intraocular pressure if needed, and prescription measurement. This is usually covered if there’s a medical reason for the visit (dry eye, vision changes, irritation).
- Glasses or contact purchase: Take your prescription to an eyewear shop. The frames and lenses are private, not covered by NHI/EHI.
- Follow-ups: Eye disease management (e.g., glaucoma) is covered with a copay as medically necessary.
Prescription nuances: Japan typically uses the same sphere/cylinder/axis notation as elsewhere. Your PD (pupillary distance) may not always be listed—ask for it if the shop needs it. Keep a digital copy of your prescription for future orders.
Cataract, glaucoma, and other eye surgeries
- Cataract surgery: Covered by public insurance when medically indicated. A standard intraocular lens is included; premium lenses and special options are private.
- Glaucoma procedures: Covered when medically necessary.
- Retinal disease treatments: Covered per indication and standard fee schedules.
- LASIK, PRK, SMILE: Elective refractive surgery is private. Clinics often offer package pricing with pre- and post-op visits.
For major surgery at a university hospital, bring a referral letter to reduce first-visit surcharges; more on referrals in Clinics vs Hospitals in Japan. If your inpatient bill looks big, read about the Maximum Copayment Certificate in Japan’s National Health Insurance: What You Need to Know to lower upfront costs.
Paying and claiming for dental and vision services
Here’s a simple workflow so you don’t overpay:
- Ask upfront whether the visit is billed under public insurance or private.
- If it’s mixed, ask the clinic to separate items on the estimate: insured vs private.
- Bring your insurance card to avoid full-price billing.
- Keep itemized receipts—especially for late-night or private clinics.
- If you paid full price by mistake or without your card, file for a refund with Claiming Health Insurance Reimbursements in Japan.
- For private insurance, check whether the clinic offers direct billing. If not, pay-then-claim via your insurer’s app (details in Private Health Insurance and Clinics for Expats in Japan).
Price expectations without over-optimizing
Exact prices vary by clinic and city, and insured fees change over time. Here’s a practical way to budget without memorizing price lists:
- For insured dental or medical eye care, budget your 30% copay for the medically necessary portion.
- For private items (cosmetic cleanings, whitening, premium crowns, braces, LASIK, designer frames), expect full price and ask for a written quote.
- For big hospital care, request the Maximum Copayment Certificate in advance (see Japan’s National Health Insurance: What You Need to Know).
English phrases you can use at reception
- “I have public health insurance and would like to know what is covered versus private today.”
- “Could you prepare an itemized receipt for insurance reimbursement?”
- “Do you offer direct billing for [Insurer Name], or should I pay and claim?”
- “I’d like an English explanation of today’s treatment plan, please.”
If something goes wrong with billing, the walkthrough in Understanding Japanese Medical Bills and Insurance Claims will help you check each line before you submit Claiming Health Insurance Reimbursements in Japan.
Step-by-step checklists you can save
Dentist visit checklist
- NHI/EHI card and photo ID
- Private insurance certificate (if any)
- Medication list and allergies
- Prior dental records or X-rays (if you have them)
- Questions about materials, insured vs private options
- Request for written estimate and itemized receipt
- Note to ask about follow-up schedule and home care
Eye clinic and eyewear checklist
- NHI/EHI card and photo ID
- Private insurer info (if you might claim)
- List of symptoms and current eyewear prescription
- Ask to include PD and full details on your prescription
- Request itemized receipt for medical visit and separate receipt for private eyewear
- Confirm follow-up timing if starting new medications or contacts
Table of where to go for common problems
| Problem | Best first stop | Why |
|---|---|---|
| Toothache, sensitive tooth, chipped tooth | Local dental clinic | Fast exam, X-rays, insured fillings or root canal if needed |
| Gum bleeding, bad breath | Dental clinic | Periodontal assessment; insured scaling if diagnosed |
| Severe dental pain or swelling at night | On-call dental clinic or hospital oral surgery | Urgent care; see After-Hours Healthcare and 24/7 Pharmacies in Japan |
| Red, itchy eyes, discharge | Ophthalmology clinic | Medical exam, insured treatment |
| Sudden vision loss, flashing lights, trauma | Hospital ophthalmology or ER | Emergency evaluation; dial 119 for ambulance |
| Dry eye symptoms | Ophthalmology clinic | Medical evaluation; insured meds if indicated |
| New glasses or contacts | Eyewear store after clinic exam | Medical exam at clinic; purchase is private |
| LASIK inquiry | Refractive surgery clinic | Private consultation and package options |
Telemedicine for dental and vision
Telemedicine is useful for follow-up questions, medication checks, and triage, but procedures obviously require in-person care. Many international clinics offer video consults for second opinions or to review your estimate in English. Learn how these visits work in Telemedicine in Japan.
Accessibility and special situations
- Kids: Pediatric dentists are common in cities. School dental screenings will flag issues early; bring the notice to your dentist.
- Anxiety and pain control: Ask about local anesthesia options or sedation for lengthy procedures; availability varies by clinic and may be private.
- Pregnancy: Inform your dentist or eye doctor. Some dental X-rays or medications are adjusted during pregnancy. For broader planning, see Pregnancy and Childbirth in Japan.
- Chronic conditions: If you have diabetes or autoimmune disease, bring a note from your physician; it can affect dental healing and eye disease risk.
Frequently asked questions
Are cleanings covered?
If periodontal disease is diagnosed, related treatments (including scaling) are generally covered with a copay. Purely cosmetic cleaning without diagnosis may be private.
Do I need a referral for a hospital dentist or ophthalmologist?
For big hospitals, a referral helps reduce first-visit surcharges and speeds triage. Start at a clinic for most issues
Will NHI cover braces or Invisalign?
Usually no. Orthodontics is typically private unless there’s a specific medical indication. Ask for a written plan and receipts if you hope to claim on an overseas private policy.
Does NHI cover glasses or contacts?
No. The medical exam for an eye problem can be covered, but frames, lenses, and contacts are private.
How do I keep costs down?
Carry your insurance card, choose clinics for routine care, ask for insured options first, and say yes to generic medications when appropriate. For large bills, use the Maximum Copayment Certificate outlined in Japan’s National Health Insurance: What You Need to Know.
I paid full price because I forgot my card. Can I get money back?
Yes. Keep your itemized receipt and follow our steps in Claiming Health Insurance Reimbursements in Japan.
What about English support?
Many clinics and the hospitals in our Top 5 English-Speaking Hospitals in Tokyo (Foreigner-Friendly) have International Patient Services desks. Bring a short, written summary of your issue in English.