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1.71 I-Blue Cut Spin Photochromic Grey HMC iilensi ze-Optical
Umgangatho we-substrate umisela ukuqina kwe-lens kunye nokuthembeka kwengubo. I-substrate elungileyo ecacileyo kwaye eqaqambileyo, ixesha elide lokusebenzisa kwaye akukho lula ukutyheli; Kwaye ezinye iilensi azisebenzisi ixesha elide kumthubi, okanye ukugquma. Ilensi elungileyo ngaphandle kwemikrwelo, imikrwelo, umphezulu woboya, imingxuma, ilensi ejiyileyo ukuhlangabezana nokuqwalaselwa kokukhanya, ukugqiba kuphezulu kakhulu. Akukho ndawo, ilitye, umgca, i-bubble, i-crack ngaphakathi kwi-lens, kwaye ukukhanya kukhanyayo.
I-index ye-refractive ephezulu, i-lens encinci, kunye nexabiso eliphezulu.
