DOT: Comprehensive Review for NRCME Exam
2026 Complete 310 Question Practice & Study
Guide with Detailed Explanations
Corrective lenses that are prohibited by the FMCSA, including: -
✔✔ANSWER ✔✔-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:
- ✔✔ANSWER ✔✔-Annual medical examination.
Annual ophthalmologist or optometrist eye evaluation.
,Disqualification for a diagnosis of unstable proliferative
retinopathy.
Monocular Vision - ✔✔ANSWER ✔✔-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.
The driver is always certifiable under these conditions. -
✔✔ANSWER ✔✔-FMCSA guidance indicates that a driver
should not be certified under these circumstances.
Explanation: FMCSA guidance indicates that contact lenses that
correct one eye for distance and one eye for near vision are not
acceptable.
Guidance recommends not to certify with ear problem
diagnoses of: - ✔✔ANSWER ✔✔-a) Uncontrolled vertigo.
b) Ménière's disease.
c) Nonfunctioning labyrinth.
, d) Nonfunctioning fistula.
The medical examiner's role in the exemption process includes
_________.
Issuing the exemption.
Issuing the prescription for the driver's contact lenses and/or
glasses.
Providing the driver with contact information for the Federal
Vision Exemption Program.
Assuring that the driver has peripheral vision of at least 110
degrees in each eye. - ✔✔ANSWER ✔✔-Providing the driver
with contact information for the Federal Vision Exemption
Program.
Explanation: The medical examiner's role in the exemption
process is limited to performing the driver examination and
providing the driver with contact information for the FMCSA
related to the exemption process.
An audiometric test produces the following results: Left ear:
500 Hz, 35dB Loss; 1,000 Hz, 35 dB loss; 2,000 Hz 45 dB loss.
2026 Complete 310 Question Practice & Study
Guide with Detailed Explanations
Corrective lenses that are prohibited by the FMCSA, including: -
✔✔ANSWER ✔✔-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:
- ✔✔ANSWER ✔✔-Annual medical examination.
Annual ophthalmologist or optometrist eye evaluation.
,Disqualification for a diagnosis of unstable proliferative
retinopathy.
Monocular Vision - ✔✔ANSWER ✔✔-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.
The driver is always certifiable under these conditions. -
✔✔ANSWER ✔✔-FMCSA guidance indicates that a driver
should not be certified under these circumstances.
Explanation: FMCSA guidance indicates that contact lenses that
correct one eye for distance and one eye for near vision are not
acceptable.
Guidance recommends not to certify with ear problem
diagnoses of: - ✔✔ANSWER ✔✔-a) Uncontrolled vertigo.
b) Ménière's disease.
c) Nonfunctioning labyrinth.
, d) Nonfunctioning fistula.
The medical examiner's role in the exemption process includes
_________.
Issuing the exemption.
Issuing the prescription for the driver's contact lenses and/or
glasses.
Providing the driver with contact information for the Federal
Vision Exemption Program.
Assuring that the driver has peripheral vision of at least 110
degrees in each eye. - ✔✔ANSWER ✔✔-Providing the driver
with contact information for the Federal Vision Exemption
Program.
Explanation: The medical examiner's role in the exemption
process is limited to performing the driver examination and
providing the driver with contact information for the FMCSA
related to the exemption process.
An audiometric test produces the following results: Left ear:
500 Hz, 35dB Loss; 1,000 Hz, 35 dB loss; 2,000 Hz 45 dB loss.
