Exam Coverage
Exam coverage for the ABO Exam includes optical dispensing and
ophthalmic knowledge required for certification in opticianry. It
focuses on ophthalmic lens types, frame selection and fitting,
prescription interpretation, lens materials, measurements, and optical
theory. The exam also evaluates understanding of spectacle
fabrication, adjustments and repairs, patient communication, anatomy
of the eye, and professional standards in optical dispensing. Emphasis
is placed on applying optical principles accurately, ensuring proper
eyewear fitting and function, and supporting safe, effective patient
care in optical practice.
,When ordering a six inch temple, its corresponding millimeter value is
which of the following?
A. 135 mm
B. 140 mm
C. 145 mm
D. 150 mm
150 mm
,What is the focal length of a 2 diopter lens?
A. 500 cm
B. 39.37 inches
C. 500 mm
D. 2 meters
500 mm
, Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
Nanometers