English to Polish Medical Medical (general) ophthalmology

"Many contact lens patients think that adapting to a multifocal lens is the same as to their single vision contacts. In the majority of cases it is, and adaptation happens within a few days, but in some cases it can take a little longer to adapt. Interestingly scientific papers have found that with binocular summation, the visual acuity can improve during the adaptation period."

Bez sugerowania odpowiedzi - czy dobrze myślę, że chodzi o sumowanie obuoczne?