Byoroheje kandi byoroshye kuruta plastike, polikarubone (irwanya ingaruka) lens ntizishobora kumeneka kandi zitanga uburinzi bwa UV 100%, bigatuma bahitamo neza kubana nabakuze bakora. Nibyiza kandi kubyandikirwa bikomeye kuva batongeyeho umubyimba mugihe bakosora icyerekezo, bagabanya kugoreka kwose.
Kurinda UV:
Imirasire ya UV mumirasire yizuba irashobora kwangiza amaso.
Lens zifunga 100% UVA na UVB zifasha kwirinda ingaruka zangiza imirasire ya UV.
Lens ya Photochromic hamwe nizuba ryiza cyane bitanga uburinzi bwa UV.
Gushushanya kumurongo birarangaza, bitagaragara kandi mubihe bimwe na bimwe bishobora guteza akaga.
Barashobora kandi kubangamira imikorere yifuzwa yawe.
Kuvura-kwihanganira imiti bikomerera lens bituma biramba.
Imirasire y'izuba igizwe n'umutuku, orange, umuhondo, icyatsi, ubururu, indigo n'umucyo wa violet. Iyo bihujwe, bihinduka urumuri rwera tubona. Buri kimwe muribi gifite imbaraga nuburebure butandukanye. Imirasire kumpera yumutuku ifite uburebure bwumurongo muremure nimbaraga nke. Ku rundi ruhande, imirasire yubururu ifite uburebure buke bwimbaraga nimbaraga nyinshi. Umucyo usa n'umweru urashobora kugira ikintu kinini cy'ubururu, gishobora kwerekana ijisho ku bwinshi bwumuraba uva ku mpera yubururu bwa spekiteri.
1. Itara ry'ubururu riri hose.
2. Imirasire yoroheje ya HEV ituma ikirere gisa n'ubururu.
3. Ijisho ntabwo ari ryiza cyane mu guhagarika urumuri rwubururu.
4. Itara ryubururu rishobora kongera ibyago byo kwangirika.
5. Itara ry'ubururu rigira uruhare mu guhuza amaso.
6. Kurinda urumuri rwubururu birashobora kuba ingenzi nyuma yo kubagwa cataracte.
7. Itara ry'ubururu ntabwo ari ribi.
Itara ryubururu rigabanya lens ryakozwe hifashishijwe pigment yemewe yongewe kumurongo mbere yo gutara. Ibyo bivuze ko urumuri rwubururu rugabanya ibikoresho biri mubice byose bigize lens, ntabwo ari ibara gusa. Ubu buryo bwa patenti butuma urumuri rwubururu rugabanya lens kugirango rwungurure urugero rwinshi rwurumuri rwubururu na UV.