Njira yokutira yozungulira imagwiritsidwa ntchito popanga zokutira zopyapyala pagawo lathyathyathya. Yankho la zinthu zomwe zimakutidwa zimayikidwa pagawo lomwe limazunguliridwa pa liwiro lalikulu la 1000-8000 rpm ndikusiya wosanjikiza wofanana.
Ukadaulo wa zokutira zopota umapangitsa zokutira za photochromic pamwamba pa mandala, motero mtundu umangosintha pamagalasi apamwamba, pomwe ukadaulo wapakatikati umapangitsa mandala onsewo kusintha mtundu.
Ndi magalasi omwe amadzisintha okha kuti agwirizane ndi kusintha kwa kuwala kwa UV. Amapereka chitetezo ku kuwala pamene avala mikhalidwe yakunja yowala bwino, ndiyeno amabwerera ku malo owonekera pamene wovalayo akubwerera m'nyumba. Kusinthaku sikuchitika nthawi yomweyo, komabe. Kusintha kutha kutenga mphindi 2-4 kuti zitheke.
Spin Coat Photochromic Lenses imapezeka mu block ya buluu komanso yopanda buluu.
Lens yathu ya blue block imatenga kuwala koyipa kwa UV ndi mphamvu yayikulu ya Blue Light. Ndi gawo laling'ono losalowerera ndale, losakanikirana ndi ma lens pomwe mandala amaponyedwa. Ndi zachilendo kuti magalasi apangidwe pang'ono achikasu pakapita nthawi. Sichisintha mawonekedwe azinthu zamagalasi, koma zimatsimikizira masomphenya omasuka komanso chitetezo chokwanira m'maso mwa kuyamwa UV ndi mphamvu zambiri Kuwala kwa buluu kulowa mu mandala.
Poyerekeza ndi muyezo 1.60, Mitsui mndandanda MR-8 zinthu mosavuta kubowola ndi kuyamwa makola bwino. Mpofunika nkhaniyi kwa rimless glazing.
MR-8 ndiyomwe ili ndi ma lens apamwamba kwambiri pamsika, chifukwa imakhala ndi mawonekedwe abwino kwambiri, kuphatikiza ma refractive index, kuchuluka kwa Abbe, mphamvu yokoka yochepa komanso kukana kwambiri.