DOT Medical Card - Vision Requirements

DOT medical cards requires testing of major body systems... including vision.

In short, DOT medical card requirements for vision are:
  • 20/40 vision in each eye, tested separately on a Snellen chart.  This requirement can be met with, or without corrective lenses (glasses, contact lenses).
  • At least 70° peripheral vision on both sides.
  • Be able to recognize the traffic colors of green, amber, and red

These requirements are listed under §391.41(b)(10):
A person is physically qualified to drive a commercial motor vehicle if that person:
Has distant visual acuity of at least 20/40 (Snellen) in each eye with or without corrective lenses or visual acuity separately corrected to 20/40 (Snellen) or better with corrective lenses, distant binocular acuity of at least 20/40 (Snellen) in both eyes with or without corrective lenses, 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.
The term "ability to recognize the colors of" is interpreted to mean if a person can recognize and distinguish among traffic control signals and devices showing standard red, green and amber, he or she meets the minimum standard, even though he or she may have some type of color perception deficiency. If certain color perception tests are administered, (such as Ishihara, Pseudoisochromatic, Yarn) and doubtful findings are discovered, a controlled test using signal red, green and amber may be employed to determine the driver's ability to recognize these colors.
Contact lenses are permissible if there is sufficient evidence to indicate that the driver has good tolerance and is well adapted to their use. Use of a contact lens in one eye for distance visual acuity and another lens in the other eye for near vision is not acceptable, nor telescopic lenses acceptable for the driving of commercial motor vehicles.
If an individual meets the criteria by the use of glasses or contact lenses, the following statement shall appear on the Medical Examiner's Certificate: "Qualified only if wearing corrective lenses."
CMV drivers who do not meet the Federal vision standard may call (202) 366-1790 for an application for a vision exemption.

Other DOT medical card (CDL physical exam) requirements are posted as follows:

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