What does MOF stand for in Costco Optical?

The acronym MOF in Costco Optical stands for "Member's Own Frame." This term refers to a program that allows members to bring their own prescription lenses to be fitted into frames that are not purchased directly from Costco Optical. This option can be beneficial for members who prefer a specific frame style, perhaps one that they already own or that has personal significance. By providing this service, Costco Optical offers flexibility and caters to individual preferences, enhancing member satisfaction.

The other options do not accurately reflect the terminology used in Costco Optical. Terms like "Medical Optical Frame" or "Member's Original Frame" are not common within the context of optical services at Costco, and "Mostly Optical Frame" does not align with standard terminology either. Hence, "Member's Own Frame" is the correct designation, as it specifically highlights the program designed to accommodate members' individual frame choices.