OOD2 Lect 6

Which of the following(s) is/are the key parameter(s) in the "position of wear" optimisation? (Select all that apply)

• Back vertex distance

• Pantoscopic tilt

• Wrap angle

• Fitting height

"Hard design" is preferred in .... (Select all that apply)

• Drivers

• Eye-movers

• Head-movers

• Heavy computer users

Computer progressive (can/cannot) be used for an outdoor walk;
Office progressive (can/cannot) be used for an outdoor walk.

• can; can

• can; cannot

• cannot; can

• cannot; cannot

What prism is typically present at prism reference point?

• Base In

• Base Out

• Base Up

• Base Down

_______'s theorem describes the relationship between the rate of change in cylindrical power away from the corridor and the rate of change in add power along the corridor.