Complaints create extra work, tie up staff, and can negatively impact customer satisfaction. That is why, in both the optical and hearing aid industries, it makes sense to minimize avoidable causes of complaints as early as possible.

Coatings on eyeglass lenses are delicate. Even an unsuitable cleaning cloth can cause fine mechanical damage over the course of months, which only becomes noticeable when the lenses become dull or the coating starts to peel off. The cleaning solution alone is rarely the decisive factor here; rather, it is primarily the quality of the microfiber cloth used.