I don't know what to expect for the DOT Eye Test

dot physical phoenix

Urine Luck we can help you with that!

Alright, let’s talk about the part of the DOT physical everyone thinks is a gimme—the eye test. It is straightforward, but it’s also one of those simple things that can “park” you if you’re not prepared. No one likes surprises at the doctor’s office, so here’s the breakdown.

They’re not just looking at your eyes; they’re looking at what you can see.

  1. Sharpness (The “Big E” Chart): This is classic. You’ll stare at that Snellen chart and read the smallest line you can. The magic number is 20/40. You have to be able to see 20/40 or better in each eye.. If you need your “cheaters” (glasses) or contacts to see the line, wear ’em. There’s zero shame in it, and the doc doesn’t care how you pass, just that you pass.
  2. Peripheral Vision (Your “Side” Vision): Can you spot that four wheeler trying to merge into your trailer while you look straight ahead? That is exactly what this test wants to know. The doctor is going to check to make sure you have at least 70 degrees of side vision in each eye. It’s what helps you check your mirrors and stay out of trouble.
  3. Color Vision (The “Traffic Light” Test): This one’s a no-brainer, but it’s critical. Can you tell the difference between red, green, and amber (yellow)? All you have to do to pass, is to be able to identify the colors of a traffic signal. If you can’t tell a stoplight from a go-light, you’ve got no business being behind the wheel of 80,000 pounds.
dot physical phoenix

The Fine Print That Isn't Fine Print

If you need your glasses or contacts to pass that 20/40 line, the doc will put a “corrective lenses” restriction on your medical certificate.

From that second on, driving your CMV without them is the exact same as driving without a valid med card. If you get popped at a scale house or in a roadside inspection and you’re not wearing your specs, you’re getting shut down. It’s an easy violation to avoid, and a senseless one to get. It’s a hit to your pocket and your CSA score. It just isn’t worth the risk.

Pro Tip: Always have a second pair of corrective lenses in the truck with you as back up.

Closing Thoughts

Look, your job as a truck driver is stressful enough. The eye test is usually easy. If you’ve been squinting at road signs lately or getting headaches, go see an optometrist before your physical and get your prescription updated.

This isn’t about a certified medical examiner trying to fail you. It’s about making sure you can see the road clearly, spot the hazards, and get yourself and your load home safe. Keep those wheels turnin’.

DRIVER FRIENDLY DOT PHYSICAL EXAMS

Get In & Out ON TIME!

OFFICE HOURS

Monday

8:30 am – 12:00 pm
2:00 pm – 6:00 pm

Tuesday

8:30 am – 2:00 pm

Wednesday

8:30 am – 12:00 pm
2:00 pm – 6:00 pm

Thursday

8:30 am – 12:00 pm
2:00 pm – 6:00 pm

Friday

8:30 am – 2:00 pm

Weekends

Closed

Please note: Drug testing services stop 2 hours before our facility closes each day.

201 W Guadalupe Rd Suite 311B, Gilbert, AZ 85233
480-649-5869

Dr. Howard Fern, DC, FIAMA, CME
201 W Guadalupe Rd Suite 311B, Gilbert, AZ 85233
(480) 649-5869

Monday, Wednesday & Thursday :
8:30 AM – 12:00 PM & 2:00 PM – 6:00 PM
Tuesday & Friday  :
8:30 AM – 2:00 PM
Walk-ins are Welcome!

© 2025 DOT Physical Phoenix, All Rights Reserved

Scroll to Top