Standard alignment of spectacles

What is the correct method to correct "Xing," a type of vertical misalignment in spectacles frames?

• A) Adjusting the temple spread

• B) Heating the end piece and pressing it back with the thumb

• C) Grasping the eye wires and rotating the hands in opposite directions

• D) Using half padded pliers to realign the frame

What is the acceptable splay angle for nose pads during the initial alignment of spectacles?

• A) 10-15˚

• B) 20-25˚

• C) 25-30˚

• D) 30-35˚

What is the purpose of the face form or wrap around in a frame?

• A) To provide comfort to the wearer

• B) To improve the frame appearance

• C) To correct temple bend issues

• D) To prevent lens scratches

What is the average vertex distance for spectacles?

• A) 10 mm

• B) 12 mm

• C) 14 mm

• D) 16 mm

What is the standard material used to heat plastic frames during adjustments?

• A) Hot salt or glass beads

• B) Forced hot air

• C) Both A and B

• D) Warm water