Regulations — driver must have:

• Distant visual acuity of at least 20/40 (Snellen) in each eye, with or without corrective lenses.
• Distant binocular visual acuity of at least 20/40 (Snellen) in both eyes, with or without corrective lenses.
• Field of vision at least 70° in horizontal meridian in each eye.
• Ability to recognize and distinguish among the colors of traffic signals and devices showing the standard red, amber, and green.