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1.56 Semi Finished Bifocal Hoton ruwan tabarau mai launin toka
Gabaɗaya, gilashin myopia mai canza launi ba zai iya kawo sauƙi da kyau kawai ba amma har ma yana iya tsayayya da ultraviolet da haske yadda ya kamata, yana iya kare idanu, dalilin canjin launi shine lokacin da aka yi ruwan tabarau, an haɗa shi da abubuwa masu haske. , irin su silver chloride, silver halide (wanda aka fi sani da silver halide), da kuma karamin adadin jan karfe oxide mai kara kuzari. Duk lokacin da halide na azurfa ya haskaka da ƙarfi mai ƙarfi, hasken zai lalace kuma ya zama baƙar fata da yawa waɗanda aka rarraba a cikin ruwan tabarau. Saboda haka, ruwan tabarau zai bayyana duhu kuma ya toshe hanyar haske. A wannan lokacin, ruwan tabarau zai zama launin launi, wanda zai iya hana haske sosai don cimma manufar kare idanu.
