Minimum Vision Standards for Driving in California Explained

An In-Depth Look at California’s Driver’s License Vision Test

According to KLF, the California Department of Motor Vehicles (DMV) mandates a vision screening for all driver’s license applicants, as per California Vehicle Code (CVC) §12804.9(a)(1)(E) [1].

The DMV’s screening standard is 20/40 vision with both eyes tested together, as well as 20/40 in one eye and at least 20/70 in the other eye. “20/40” means you can see objects at 20 feet of distance that a young, healthy person could perceive from 40 feet away

When you visit the DMV for your vision test, you’ll likely encounter the familiar Snellen eye chart. You will be asked to read a line of letters with both eyes open, followed by reading lines with each eye individually.

If you already have a license that requires corrective lenses, you can keep your glasses or contacts on during the test. For those without a current corrective lenses restriction, you may choose to remove your glasses, and if you pass, no such restriction will be added.

If you wear contacts, you can decide to take the test with or without them; choosing to wear them during the test will result in a corrective lens restriction on your license.

If you struggle with the standard eye chart, you might be tested using a vision screening device to evaluate your distance vision more accurately. This test will again involve reading lines of letters with both eyes and each eye separately, and you may be referred to a vision specialist if further assessment is needed.

All original and renewal driver’s license applicants must pass the DMV’s vision screening standard. Under CVC §12805(b), this means you need to demonstrate visual acuity better than 20/200 in at least one eye, with or without corrective lenses, but without using bioptic telescopic or similar devices. Failing to meet this standard means you cannot be licensed to drive in California.

Your ability to see clearly and sharply, known as visual acuity, is crucial for identifying road signs, obstacles, and other vehicles—even in challenging conditions like low-light or nighttime driving.

Depending on your vision test results, your license may come with no restrictions, specific restrictions like daylight-only driving, or you could be denied a license.

In some cases, a restricted license might be issued for a shorter term, such as one or two years, instead of the usual five-year term.

What Happens if You Don’t Meet the DMV’s Vision Standards?

According to SCLG, not meeting the DMV’s vision screening standards doesn’t automatically mean your driver’s license application will be denied [2]. Instead, you’ll be provided with a Report of Vision Examination (DL 62) form, which must be completed and signed by your eye doctor. Once the form is completed, you’ll need to return it to the DMV for further evaluation.

The DMV will consider several factors, including:

• The severity of your vision impairment.
• How your condition impacts both central and peripheral vision.
• Whether the issue affects one or both eyes.
• If your vision can be corrected with glasses, contact lenses, or surgery.
• The potential for your vision to deteriorate over time.

During this second (or subsequent) DMV visit, the driver’s vision will be retested. The driver will also need to take a driving test to show the DMV that he/she can compensate for any vision loss and still drive safely

DMV Vision Test: A Practical Guide to Passing

According to Glasses Org., passing the DMV vision test is a key requirement for obtaining or renewing a driver’s license, as you must meet specific visual acuity standards [3].

To qualify for an unrestricted license, your vision must be 20/40 or better, whether naturally or corrected with glasses or contact lenses. If your vision is 20/40, 20/30, or 20/20 (or better) with any necessary corrective lenses, you should be able to pass the DMV’s vision test.

DMV vision tests are generally quick and straightforward, often taking less than a minute to complete, depending on your condition. If you’re unsure about your ability to pass or want to improve your vision score, consider scheduling an eye exam with an optometrist. A simple pair of prescription glasses may enhance your vision enough to meet the DMV’s standards.

To test your vision at home, use an eye chart to gauge your ability to read the “20/40” line or lower, ensuring your peripheral vision is also adequate. If you’re asked to do additional distance or peripheral vision tests, it may be conducted on a specialized device during your DMV visit.

The DMV commonly uses the Snellen eye chart, which features rows of letters that progressively get smaller to measure your visual acuity. You can wear your reading glasses, regular glasses, or contacts during the DMV eye test, but keep in mind that if you need them to pass, your license will be restricted, requiring you to wear corrective lenses while driving.

Related Articles:

• Can a Doctor Revoke a Driver’s License?
• Seizure Disorder and Driving in California
• Medical Conditions and Driving

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References:
1. https://www.kistlerlawfirm.com/ca-drivers-license-vision-requirements/
2. https://www.shouselaw.com/ca/blog/laws/what-is-the-minimum-vision-required-for-driving-in-california/
3. https://www.glasses.com/gl-us/blog/dmv-vision-test-guide