DOT Physical Vision Requirements: What CDL Drivers Must See to Pass (2026)
Quick Answer
Under 49 CFR 391.41(b)(10), a CDL driver must have distant visual acuity of at least 20/40 (Snellen) in each eye, with or without corrective lenses. They must also have a field of vision of at least 70 degrees in the horizontal meridian in each eye, and the ability to recognize the colors of traffic signals and devices showing standard red, green, and amber. If glasses or contacts are used to meet the 20/40 standard, the driver must wear them whenever driving.
This comprehensive guide covers everything you need to know about dot physical vision requirements: what cdl drivers must see to pass (2026). Whether you're a safety manager, compliance officer, or operations director, understanding dot compliance requirements is critical to avoiding costly fines and failed audits.
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