FREE National Opticianry Competency Exam (NOCE) Ophthalmic Products and Frames Questions and Answers

Question 1

A client selects a frame made from a titanium alloy known for its ability to return to its original shape after being bent or twisted.
This material is an excellent choice for active individuals or children.
Which material is being described?

Accepted Answer

Memory Metal

Answer

Monel

Answer

Zylonite (Zyl)

Answer

Stainless Steel

Question 2

When identifying a progressive addition lens (PAL), permanent markings are etched onto the lens surface. What information is typically found on the temporal side of the lens?

Accepted Answer

The add power

Answer

The lens brand or logo

Answer

The corridor length

Answer

The base curve

Question 3

A patient with a high myopic prescription (-9.50 D) is being fitted for new glasses. The refraction was performed at a vertex distance of 14 mm, but the new frames will sit at a vertex distance of 10 mm. How does this change in vertex distance affect the lens power required?

Accepted Answer

The effective power becomes more plus, requiring a weaker minus lens.

Answer

The effective power becomes more minus, requiring a stronger minus lens.

Answer

The vertex distance change does not affect prescriptions under +/- 10.00 D.

Answer

The cylinder power increases, but the sphere power remains the same.

Question 4

According to the ANSI Z80.1-2020 tolerance standards, what is the allowable tolerance for sphere power for a prescription of -4.75 D?

Accepted Answer

±0.13 D

Answer

±0.25 D

Answer

±0.16 D

Answer

±0.18 D

Question 5

An optician is fitting a patient with a new pair of glasses and needs to increase the pantoscopic tilt. Which of the following adjustments would achieve this?

Accepted Answer

Angling the temples downward from the hinge point.

Answer

Spreading the nose pads farther apart.

Answer

Bending the temple ends to be tighter around the mastoid.

Answer

Moving the temple tips upward, away from the skull.

Question 6

A reverse slab-off is used to compensate for vertical imbalance in a patient with anisometropia. On which lens is a reverse slab-off applied?

Accepted Answer

The lens with the most plus or least minus power in the vertical meridian.

Answer

The lens with the most minus or least plus power in the vertical meridian.

Answer

Always on the right lens, regardless of the prescription.

Answer

On the lens with the higher cylinder power.

A client selects a frame made from a titanium alloy known for its ability to return to its original shape after being bent or twisted.This material is an excellent choice for active individuals or children.Which material is being described?

A client selects a frame made from a titanium alloy known for its ability to return to its original shape after being bent or twisted.
This material is an excellent choice for active individuals or children.
Which material is being described?