● Isticmaalka tignoolajiyada xakamaynta defocus-ka ee durugsan, awoodda lensku waxa ay hoos uga dhacdaa xarunta indhaha ilaa cidhifka lensarka, taas oo si wax ku ool ah u yaraynaysa ifafaale defocus durugsan ee hyperopia, taas oo dib u dhigaysa dhererka dhidibka isha oo hoos u dhigaya horumarka myopia.
● Software-ka indhaha waxa loo isticmaalay in lagu xisaabiyo xaalada sawireed ee lens-ka marka shucaaca madaxa lagu magdhabo awooda dioptric markii lensku si aan qarsoodi ahayn loo saadaaliyay xaalad miyir-beeleed.
Isticmaalka tignoolajiyada iftiinka buluugga ah ee substrate-ka ah, waxay si wax ku ool ah u xannibi kartaa in ka badan 25% iftiinka buluuga ah iyo 99% fallaadhaha ultraviolet iyo shucaaca kale ee waxyeellada leh.