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Indorerwamo za HMC Optical za PC 1.59 zikozwe mu buryo bw'ubururu bwa Bifocal Invisible Photochromic Gray
Nk’uko izina ribigaragaza, indorerwamo y’ibice bibiri ifite urumuri rubiri. Muri rusange, ikoreshwa mu kureba intera, nko gutwara imodoka no kugenda n’amaguru; Ibikurikira ni ukubona urumuri rurerure, kureba hafi, nko gusoma, gucuranga telefoni igendanwa n’ibindi. Ubwo lenzi ya bifocal yasohokaga, koko yafatwaga nk’Ivanjiri ya myopia + presbyopia, bikuraho ikibazo cyo gukabya kenshi, ariko nk’uko abantu babikora, byagaragaye ko inenge za lenzi ya bifocal nazo zifite byinshi.
