ABO NOCE Basic Opticianry Spectacle Dispensing and Fitting 4

Question 1

A patient's complaint is that one lens appears higher than the other when looking at their glasses from the front. This is most likely caused by:

Accepted Answer

Facial asymmetry or uneven temple height

Answer

Uneven lens height appearance is typically caused by facial asymmetry or temples adjusted to different heights, not the lens powers themselves.

Question 2

When dispensing a new patient with a significant prescription change, the optician should advise them to:

Accepted Answer

Wear the new glasses full-time for adaptation

Answer

Wearing new glasses full-time allows the visual system to adapt most quickly; alternating between old and new glasses prolongs adaptation.

Question 3

The 'boxing system' measurement called 'A' refers to:

Accepted Answer

The horizontal width of the lens opening

Answer

In the boxing system, 'A' is the horizontal width (lens width) measured at the widest horizontal point of the lens shape.

Question 4

Which of the following frame materials is MOST resistant to heat adjustment?

Accepted Answer

Nylon (polyamide)

Answer

Nylon (polyamide) frames have a high melting point and are highly resistant to heat, making them difficult to adjust with standard heat methods.

Question 5

Retroscopic tilt (as opposed to pantoscopic tilt) means the top of the frame is:

Accepted Answer

Tilted away from the face

Answer

Retroscopic tilt means the top of the frame front tilts away from the face, which is generally undesirable and reduces optical performance.

ABO NOCE Basic Opticianry Practice Test