Reference Source

Field of vision

What is the standard, as the regulation states it for Field of vision?

For Field of vision, standard, as the regulation states it is field of vision of at least 70° in the horizontal meridian in each eye; paragraph is (b)(10)(i); regulation section is 49 CFR 391.41, recorded from its source on 2026-08-31; source re-checked 2026-09-15.

(10) (i) Has distant visual acuity of at least 20/40 (Snellen) in each eye 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° 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; or

ecfr.gov, retrieved 2026-08-31

Disqualifying condition or standard
Field of vision our reading
Standard, as the regulation states it
field of vision of at least 70° in the horizontal meridian in each eye verified
Paragraph
(b)(10)(i) our reading
Regulation section
49 CFR 391.41
Sourceecfr.gov
Verified
Review by
DatasetMedical conditions that disqualify a commercial driver under 49 CFR 391.41

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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