english: Maybe there is -- the solution to the cost could be in productivity, maybe in efficiency, in the clinical process, or in how much they pay for the lenses or consumables, or regulations, their defensive practice.
non_english: Misschien zit de oplossing van de kostprijs in productiviteit, misschien in efficiency, in het klinisch proces, of in wat ze betalen voor lenzen en gebruiksartikelen, of in reglementen, hun protectiebeleid.