National Opticianry Competency Examination (NOCE)

Question 1

An optician is using a manual lensmeter to verify a prescription and notices that the mires are centered only when the lens is positioned 2 mm nasally from the marked pupillary center. If the lens power is +5.00 D, what is the resulting prismatic effect?

2.50Δ Base In 1.00Δ Base Out 2.50Δ Base Out 1.00Δ Base In

Correct Answer:

1.00Δ Base In

Question 2

When using a pupilometer to measure a patient's monocular pupillary distance (PD) for a progressive lens order, what is the correct reference point for the measurement?

From the center of the bridge of the nose to the temporal limbus of each eye. From the center of one pupil to the center of the other pupil. From the center of the bridge of the nose to the center of the pupil for each eye individually. From the nasal limbus of one eye to the temporal limbus of the other eye.

Correct Answer:

From the center of the bridge of the nose to the center of the pupil for each eye individually.

Question 3

A dispenser is preparing to adjust a new pair of acetate frames for a patient. Which of the following instruments uses heated glass beads or salt to make the frame material pliable for adjustment?

Hot air frame warmer Lens caliper Salt pan Axis pliers

Correct Answer:

Salt pan

Question 4

While calibrating a manual lensmeter, the first step is to focus the eyepiece. What is the proper procedure to ensure the reticle is correctly focused for the user's eye?

Turn the eyepiece clockwise until the reticle is sharp, then turn it counter-clockwise one full turn. Turn the eyepiece fully clockwise, then slowly turn it counter-clockwise until the reticle first becomes sharp. Place a high-powered plus lens in the lensmeter and adjust the eyepiece until the target is clear. Turn the eyepiece fully counter-clockwise to the most plus setting, then slowly turn it clockwise until the reticle first becomes sharp and clear.

Correct Answer:

Turn the eyepiece fully counter-clockwise to the most plus setting, then slowly turn it clockwise until the reticle first becomes sharp and clear.

Question 5

A patient has a prescription of -12.00 D, which was refracted at a vertex distance of 15 mm. If their chosen frame fits at a vertex distance of 10 mm, what instrument should be used to accurately measure this fitting distance on the patient?

Pupilometer Geneva lens clock Distometer Polariscope

Correct Answer:

Distometer

Question 1

Exam overview

About this Exam

Prepare with the National Opticianry Competency Examination (NOCE) practice quiz. This question bank includes 86 questions covering lens, patient, prescription, lenses, and frame. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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National Opticianry Competency Examination (NOCE)

This practice set contains 86 questions from the matching question bank and focuses on lens, patient, prescription, lenses, and frame. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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National Opticianry Competency Examination (NOCE)

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