What to Expect at Your DMV Eye Test

What the DMV eye test measures

The DMV eye test checks your vision well enough to drive safely on public roads. The test is not a full eye exam — it does not diagnose eye disease or prescribe glasses. It measures how clearly you see at a distance, whether you can see to the sides (peripheral vision), and sometimes how you see color and in low light.

Most states use a chart with letters or symbols that get smaller as you read down. You stand a set distance away — usually 20 feet — and read the smallest line you can see clearly. The examiner records which eye you use and whether you wear correction (glasses or contacts) during the test. If you cannot see well enough without correction, you must wear it every time you drive, and your license will be marked to show that.

A few states also test your ability to see objects moving in your peripheral vision, or ask you to identify colors or read a chart in dim light. The exact test varies by state, so check your state DMV website before you go.

Key Takeaways

The DMV eye test measures distance vision, peripheral vision, and sometimes color and low-light vision — not a complete eye exam.
You will read letters or symbols on a chart from 20 feet away, and the examiner records whether you wear glasses or contacts.
If you cannot see well enough without correction, your license will require you to wear glasses or contacts while driving.
Bring your current glasses or contacts if you wear them, because the test result depends on what you actually use to drive.
Vision requirements vary by state, so check your state DMV website for the exact standard before your appointment.

Minimum vision standards by state

States set their own vision thresholds, but most require you to see at least 20/40 with correction in at least one eye. This means you can read at 20 feet what a person with standard vision reads at 40 feet. Some states allow 20/50 or 20/60 in the weaker eye if your better eye meets the standard. A few states have no set threshold and instead use examiner judgment.

If you fail the test, you will be told the result on the spot. Some states let you retake it the same day; others require you to return after a waiting period. A few states allow you to take the test at an eye doctor's office instead of the DMV, and the doctor sends the result to the DMV. Check your state DMV website for the exact standard and what happens if you do not pass.

What to bring and how to prepare

Bring your current glasses or contacts if you wear them while driving. The test measures your vision with the correction you actually use, not your uncorrected vision. If you wear bifocals or progressive lenses, tell the examiner before the test starts so they know to watch for you shifting your head.

If you have had recent eye surgery, a new glasses prescription, or a significant change in your vision, bring documentation from your eye doctor. Some states will postpone the test if your vision has changed recently and you do not have current correction. Arrive early so you are not rushed — the test itself takes only a few minutes, but you may need time to adjust to the testing room lighting.

Do not wear sunglasses or tinted lenses into the testing area. Some DMV offices will ask you to remove them before the test; others will not let you in the testing room wearing them at all.

What happens if you fail the eye test

If you do not meet your state's vision standard, you cannot be issued a license or renew one until you do. The DMV will give you a written result showing what you saw and what the standard is. You then have options: get new glasses or contacts and retake the test, or have an eye doctor send a report to the DMV saying you meet the standard with correction.

Some states allow you to retake the test the same day at no extra charge. Others require a waiting period — usually a few days to a week — before you can try again. A few states charge a retest fee. If you fail a second time, some states will not let you test again for 30 days or longer. Check your state DMV website for the exact rules on retesting and fees.

If you have a medical condition affecting your vision, bring a letter from your eye doctor explaining the condition and whether it is stable or changing. Some states will issue a restricted license (for example, daylight driving only) if your vision does not meet the full standard but is safe for limited driving.

Vision correction and license restrictions

If you pass the test only while wearing glasses or contacts, your license will be marked with a restriction code. This means you are legally required to wear that correction every time you drive. Driving without the correction you were tested with is a violation, even if you feel you can see well enough.

The restriction code varies by state but usually appears as a letter or number on the front or back of your license. Common codes mean "corrective lenses required" or "corrective lenses required, daylight driving only." Some states also restrict you to driving without a highway or interstate restriction if your vision is borderline.

If your vision changes after you get your license, you do not have to retake the eye test unless your state requires it at renewal. However, if you are stopped by police and your vision is noticeably worse than when you were tested, you can be cited for driving with uncorrected vision. If you get new glasses or contacts with a significantly different prescription, consider taking the eye test again to make sure you still meet the standard.

Eye tests at renewal versus new license

Most states require an eye test every time you renew your license, whether you renew in person or by mail. If you renew by mail, some states will send you a vision test form to complete at home or at an eye doctor's office. Other states require you to come in and take the test at a DMV office. A few states only test your vision at renewal if you are over a certain age (usually 70 or older) or if your previous test showed a problem.

If you are getting your first license or a license after a long gap, you will always take the eye test in person at the DMV. If you are renewing and your state allows mail renewal, check whether you can skip the in-person test or whether you must come in. Some states let you renew by mail but still require the eye test at a DMV office within a certain time before or after renewal.

Common reasons for failing and what to do

The most common reason for failing is not wearing the glasses or contacts you actually drive with. If you wear glasses at home but not while driving, wear them to the test. If you have a new prescription you have not gotten used to yet, wear your old glasses to the test if that is what you drive with — you can update your license later once you adjust to the new prescription.

The second common reason is not knowing you need correction. If you have not had an eye exam in several years, you may have developed a vision problem without noticing. If you fail the test and do not wear glasses, schedule an eye exam before you retake it. Many eye doctors can see you within a few days, and getting new glasses usually takes one to two weeks.

Less common reasons include eye conditions like cataracts, macular degeneration, or glaucoma that develop slowly and affect your ability to see clearly or to the sides. If you have a diagnosed eye condition, bring documentation from your eye doctor to the DMV. Some states will work with you on a restricted license or will give you extra time to get treatment before retesting.

Frequently Asked Questions

Can I wear contacts instead of glasses for the eye test?

Yes. Wear whatever correction you actually use while driving. If you wear contacts most of the time and glasses occasionally, wear your contacts to the test. The test result is based on what you wear, so your license restriction will match what you tested with.

What if I have had LASIK or cataract surgery?

Bring documentation from your eye surgeon showing the date of surgery and your current vision. Some states will postpone the test for a few weeks after surgery to let your vision stabilize. If your vision has stabilized, you can take the test normally. Tell the examiner about the surgery so they understand your vision history.

Do I have to pass the eye test to renew my license by mail?

It depends on your state. Some states send a vision test form with your renewal paperwork that you complete at home or at an eye doctor's office. Others require you to come to a DMV office to take the test in person, even if you renew by mail. Check your state DMV website or your renewal notice to see what is required.

What if I fail the eye test but I do not drive much?

You still cannot be issued or renew a license unless you meet the vision standard. If you do not drive, you can choose not to renew your license. If you do drive occasionally, you must meet the standard — the DMV does not make exceptions based on how often you drive.

How long does the eye test take?

The test itself takes two to five minutes. The entire DMV visit, including waiting and paperwork, usually takes 30 minutes to an hour depending on how busy the office is. Arrive early so you are not rushed through the test.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.