The alignment reference mark on a progressive can indicate?

Question

Quizplus · Accepted Answer

The alignment reference mark on a progressive indicates all of the above.
Below the alignment reference mark on each less will be an engraving of the add power of the lens, the manufacturer and when both are dotted on the lens using a template, you will be able to find not only the DRP but NRP or near reference point as well. The DRP is where you will read the prescription's distance power and the NRP is where you will read the near power.

The Alignment Reference Mark on a Progressive Can Indicate