DOT: Comprehensive Review for NRCME Exam Latest Update

Corrective lenses that are prohibited by the FMCSA, including: - lenses that correct distance vision in one
eye and near vision in the other.
telescopic lenses
Medical guidelines for the driver with diabetes mellitus include: - Annual medical examination.
Annual ophthalmologist or optometrist eye evaluation.
Disqualification for a diagnosis of unstable proliferative retinopathy.
Monocular Vision - Monocular vision is disqualifying.
However, the driver who has monocular vision that with the better eye meets all vision qualification
requirements may be considered for a Federal Vision Exemption if the Medical Examiner finds the driver
otherwise medically fit for duty.
Monocular vision is defined as vision that is at least 20/40 for distance in one eye with or without
correction and vision that is less than 20/40 for distance in one eye with or without correction.
The driver must meet other vision requirements in each eye, including visual fields (horizontal field of
vision).
Federal Vision Exemption: the driver with monocular vision who is applying for or has a federal
exemption or is qualified by operation of 49 CFR 391.64 must have an annual physical examination.
Drivers with vision loss who meet standards may be certified for up to two years.
A driver who wears contact lenses which correct farsightedness in one eye and nearsightedness in the
other, but has no other visual impairments can be certified under what additional conditions?
Only if the driver wears prescription glasses which provide the same correction as the contact lenses.
FMCSA guidance indicates that a driver should not be certified under these circumstances.
Only by federal exemption.