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VISION
REQUIREMENTS For DOT Medical Certification
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The
diagnosis of any
vision
issue requires a detailed
evaluation be obtained from your treating physician to demonstrate
DOT medical fitness. This includes but is not limited to:
color or field of vision deficits, inadequate visual acuity, the
use of a contact lens in one eye for distant correction and
another lens in the other eye correcting for near vision, and
telescopic lenses.
Proper documentation is essential to obtain a medical certificate. TRUCKMED provides driver support which usually permits immediate issuance of DOT Medical Certification. |
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VISION ISSUE |
DOT REQUIREMENT |
| DISTANT VISION | 20/40 or better in each eye separately and binocular, with or without correction. |
| FIELD OF VISION | At least 70 degrees in the horizontal meridian in each eye. |
| COLOR VISION | The ability to recognize the colors of traffic signals and devices showing standard red, green, and amber. |
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ONLINE DISTANT VISION TEST- This test should be used for screening purposes only. Only a qualified medical practitioner can provide an accurate assessment of your vision. For best results, print chart with a laser printer. Printer should be formatted to print page "as an image" and not configured to "fit on page". Charts
should be illuminated with a 100 watt incandescent lamp |
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FIELD OF VISION TEST To test your field of vision you may construct a fifty-inch square black matte surface wall target with center white fixation point; 2 millimeter white test object on black-handled holder. Applicant should be seated 40 inches from the target. An occluder (cup) should be placed over the applicants right eye. The applicant should be instructed to keep the left eye focused on the fixation point. The white test object should be moved from the outside border of the wall target toward the point of fixation on each of the eight 45-degree radials. The result should be recorded on a worksheet as the number of inches from the fixation point at which the applicant first identifies the white target on each radial. The test should be repeated with the applicants left eye occluded and the right eye focusing on the fixation point. A standard perimeter may be used in place of the above procedure. With this method, any significant deviation from normal field configuration will require evaluation by an ophthalmologist. The Examiner, standing in front of the applicant, has the applicant look at the examiner’s nose while advancing two moving fingers from slightly behind and to the side of the applicant in each of the four quadrants. Any significant deviation from normal requires ophthalmological evaluation. If an applicant fails to identify the target in any presentation at a distance of less than 23 inches from the fixation point, an ophthalmologist’s evaluation must be obtained. |
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ONLINE COLOR VISION TEST The term
"ability to recognize the colors of" is interpreted by
the DOT to mean if a person can recognize and distinguish among
traffic control signals and devices showing standard red, green,
and amber, he/she may be certified. Color perception tests
(such as Ishihara or Pseudoisochromatic Plates, Yarn, etc.) are usually administered by examiners.
If a problem is discovered, a controlled test such as the
Farnsworth Lantern is often utilized to determine the driver's
ability to recognize these colors. TRUCKMED provides support
for drivers needing special color vision testing.
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We can help!
We have
helped thousands of drivers with this process. Our
Quick-Step forms help you and your physicians to satisfy the DOT / FMCSA
requirements and resolve complex
certification issues quickly.
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