Which of the following is true with regard to horizontal field of vision testing include:
A) Passing parameters are 75 degrees in left and right eye visual fields
B) Medial examiners may use a variety of methods in the clinical setting to measure
field of vision, including reasonably reliable and accurate tests
C) Telescopic lenses that redirect peripheral vision to compensate for loss of central
vision are acceptable corrective lenses for meeting commercial driving qualificatin
requirements
D) Specialized ophthalmological equipment should not be used for precise
measurement to determine if vision meets the 70 degree requirement ----CORRECT
ANSWER-------B) Passing parapets for field of vision are 70 degrees in left and right
visual fields. Telescopic lenses that redirect peripheral vision to compensate for loss of
central vision are not acceptable. Specialized ophthalmological equipment may be used
to measure vision parameters.
Which of the following will always disqualify a driver from being certified without federal
exemption?
A) Abnormal reactivity to light
B) 70 degrees horizontal field of vision in each eye
C) Monocular vision
D) Floaters ----CORRECT ANSWER-------C) Without a federal exemption or
grandfathered status, monocular vision will always disqualify a driver from being
certified.
For a driver to be certified without a waiver for color recognition, they must
________________
A) Correctly identify the true colors of signs and traffic lights
B) Sufficiently recognize traffic signals and devices showing the standard red, amber
and green traffic signal colors
C) Be able to identify the different signs and traffic lights through shape and positional
analysis
D) Pass an Ishahara color vision test ----CORRECT ANSWER-------B) Drivers must be
able to recognize red, yellow, and green traffic signal colors
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