Free National Opticianry Competency Exam (NOCE) Dispensing and Fitting Procedures Questions and Answers

Question 1

When measuring the segment height for a patient being fitted with lined trifocal lenses, what is the correct anatomical reference point to use as the starting position for the measurement?

Accepted Answer

The lower margin of the pupil

Answer

The center of the pupil

Answer

The upper margin of the lower eyelid

Answer

The limbus

Question 2

A patient returns to the dispensary complaining that with their new glasses, straight lines and rectangular objects, like door frames, appear bowed or curved. The prescription and PDs have been verified as correct. Which of the following is the most likely cause of this specific distortion?

Accepted Answer

A significant change in base curve from the previous lenses

Answer

Incorrect pantoscopic tilt

Answer

Excessive face form or wrap

Answer

Incorrect vertical optical center height

Question 3

An optician needs to increase the face form (wrap) on a patient's metal frame to provide a closer fit and reduce peripheral distortion. Which of the following adjustments should be made?

Accepted Answer

Bend the endpieces inward, toward the face

Answer

Angle the temples downward at the hinge

Answer

Bend the bridge of the frame outward, away from the face

Answer

Widen the nose pads

Question 4

During the final fitting of a new pair of glasses, the optician observes that the bottom edge of the frame front is angled significantly away from the patient's cheeks. To correct this and add proper pantoscopic tilt, what adjustment is required?

Accepted Answer

Angle the temples downward from the endpiece

Answer

Spread the nose pads farther apart

Answer

Bend the temple tips more sharply around the ear

Answer

Bend the temples upward from the endpiece

Question 5

A patient has a prescription in their right eye of -2.00 DS with 3Δ of Base Down prism prescribed. When verifying this lens in a manual lensometer, where should the target's mires be located relative to the reticle's center crosshairs?

Accepted Answer

Centered on the third ring directly above the center

Answer

Centered on the third ring directly below the center

Answer

Centered on the third ring to the nasal side of center

Answer

Centered directly on the crosshairs

Question 6

A first-time progressive lens wearer is dispensed their new glasses. The frame has been fully adjusted for pantoscopic tilt, face form, and vertex distance. What is the most crucial instruction an optician should give the patient to aid in adaptation?

Accepted Answer

"Point your nose at what you want to look at, especially when reading."

Answer

"Only wear the glasses for a few hours each day to start."

Answer

"Move your eyes to the side to see things in your periphery."

Answer

"The vision will be blurry for a week, which is normal."