Table 1 Clinical and Academic Optometrist FGs domain saturation table. Appreciate that all domains where completed after 2–3 focus group. Except from general symptoms which in spite of the moderator bringing the subject to the discussion no optometrist seemed to bring any new information up. In addition it is important to note that cognitive issues didn’t have two consecutive focus group before reaching saturation

From: Content development for a new item-bank for measuring multifocal contact lens performance