Chapter 8 II Flashcards

1
Q

What are variant planes out of coplanar alignment

A

It’s a vertical misalignment in which lens are parallel, but one lens is father forward than the other

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2
Q

What’s the open temple spread / let-back

A

The angle that each open temple forms in relationship to the front of the frame

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3
Q

Which temple degrees are too far for standard alignment

A

95+

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4
Q

The normal condition of a temple is to

A

Open out slightly farther than 90

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5
Q

Overspreading temples can be fixed by

A

Heating the endpiece and bending it around the temple

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6
Q

In the pantoscopic angle,

A

The lower rims of the frame front are closer to the face than the upper rims

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7
Q

A proper pantoscopic angle may vary from

A

4-18 degrees

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8
Q

Incorrect temple parallelism will result if the

A

Endpiece if not straight, there is a bend in the temple shaft, the bridge has been twisted, there is a loose or broken hinge

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9
Q

Due to human head conformation, the temple ends should be

A

Bent onwards

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10
Q

Temples should be symmetrical and

A

Cross each other in the center of the frame

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11
Q

What are finger-piece pliers

A

Pliers have jaws that are parallel and have space between jaws when fully closed

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12
Q

What tool is used for a variety of adjustments

A

Pliers

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13
Q

What is used to analyze the symmetry of the face front

A

The four point touch

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14
Q

What basic angles are used for reference when aligning notepads

A
  1. Frontal angle
  2. Splay angle
  3. Vertical angle
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15
Q

The frontal angle refers to the

A

Vertical position of pads in relation to one another when viewed from the front

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16
Q

Nose pads should be closer to the

A

Nose than the glasses