ABO NOCE Basic Opticianry Spectacle Dispensing Procedures Questions and Answers 2

Question 1

When adjusting temples for a patient with unequal ear heights, which adjustment corrects the frame tilt?

Accepted Answer

Unequal temple bend heights

Answer

Unequal temple bend heights compensate for ears at different vertical levels, leveling the frame on the face.

Question 2

What is the recommended vertex distance for most ophthalmic prescriptions?

Accepted Answer

12 mm

Answer

The standard vertex distance used in ophthalmic prescriptions is 12 mm from the back surface of the lens to the cornea.

Question 3

A patient's frame sits too low on the nose and the lenses ride below the visual axis. The BEST first adjustment is to:

Accepted Answer

Raise the nose pad arms

Answer

Raising the nose pad arms elevates the entire frame on the nose, repositioning the optical centers in front of the pupils.

Question 4

Which frame measurement describes the horizontal distance between the lenses including the bridge?

Accepted Answer

Frame PD

Answer

Frame PD (or total frame width) is the distance between the outermost edges of the lenses, encompassing both lenses and the bridge.

Question 5

A patient complains that their new progressive lenses cause them to tilt their head back to read. This most likely indicates:

Accepted Answer

Insufficient pantoscopic tilt

Answer

Insufficient pantoscopic tilt positions the near zone too high, forcing the patient to tilt their head back to access the reading corridor.

ABO NOCE Basic Opticianry Practice Test