01 Ikizamini cya UV cyo gupima lens transmitance isanga ibintu byinshi muburyo butandukanye bwimyenda yijisho. Iki gikoresho cyihariye kigira uruhare runini mugusuzuma ubushobozi bwa UV bwo kurinda lens, ni ngombwa mu kurinda ubuzima bw’umutekano n’umutekano.
Mu nganda zikora ijisho, igeragezwa rya UV nigikoresho cyingenzi cyo kugenzura ubuziranenge. Ababikora bakoresha iki gikoresho kugirango bapime ihererekanyabubasha ry’imirasire ya UV binyuze mu bwoko butandukanye bwa lens, harimo amadarubindi, amadarubindi yandikirwa, hamwe n’imyenda ikingira. Igeragezwa ryemeza ko lens zifunga neza imirasire yangiza ya UV, itanga uburinzi bukenewe bwamaso. Ababikora barashobora kuranga ibicuruzwa byabo uko bikwiye, bigaha abaguzi ikizere cyo kurinda UV itangwa nimpuzu zabo.