ABO NOCE Basic Opticianry Spectacle Dispensing and Fitting Questions and Answers

Question 1

A patient complains that the bottom edge of their new glasses is touching their cheeks, especially when they smile.
Which of the following adjustments is the most effective first step to resolve this issue?

Accepted Answer

Decrease the pantoscopic tilt.

Answer

Increase the face form wrap.

Answer

Widen the distance between nose pads.

Answer

Lengthen the temples behind the ear.

Question 2

In the standard boxing system for frame measurements, what does the 'A' measurement represent?

Accepted Answer

The horizontal width of the lens box.

Answer

The effective diameter of the lens.

Answer

The vertical depth of the lens box.

Answer

The distance between the lenses (bridge size).

Question 3

When fitting a patient for a traditional flat-top (D-seg) bifocal, the segment height is most commonly measured from the bottom edge of the lens to which landmark?

Accepted Answer

The lower eyelid margin.

Answer

The center of the pupil.

Answer

The upper limbus (edge of the iris).

Answer

The lower edge of the pupil.

Question 4

An optician needs to create 2 prism diopters of base-out (BO) prism in a right lens with a power of -4.00 DS. How many millimeters, and in which direction from the patient's PD, must the lens's optical center (OC) be decentered?

Accepted Answer

5 mm temporally

Answer

8 mm nasally

Answer

5 mm nasally

Answer

8 mm temporally

Question 5

According to the ANSI Z80.1-2020 standard, what is the tolerance for sphere power on a finished single vision lens with a power of -4.50 D?

Accepted Answer

± 0.13 D

Answer

± 0.25 D

Answer

± 0.18 D

Answer

± 0.09 D

Question 6

A patient wearing a new plastic frame complains that it constantly slides down their nose. The optician observes that the bridge of the frame is too wide for the patient. Which of the following is the most appropriate solution?

Accepted Answer

Add self-adhesive silicone nose pads.

Answer

Bend the temple tips down more tightly.

Answer

Increase the pantoscopic tilt.

Answer

Reduce the face-form wrap of the frame.

A patient complains that the bottom edge of their new glasses is touching their cheeks, especially when they smile.Which of the following adjustments is the most effective first step to resolve this issue?

A patient complains that the bottom edge of their new glasses is touching their cheeks, especially when they smile.
Which of the following adjustments is the most effective first step to resolve this issue?