Yakatetepa uye yakareruka kupfuura epurasitiki, polycarbonate (inodzivirira-inodzivirira) lenses inopwanya-uchapupu uye inopa 100% kuchengetedzwa kweUV, zvichiita kuti ive sarudzo yakakwana yevana nevakuru vanoshanda. Izvo zvakare zvakanakira mirairo yakasimba sezvo isingawedze ukobvu kana uchigadzirisa chiono, kuderedza chero kukanganisa.
Bifocal eyeglass lenses ine maviri lens masimba ekukubatsira kuona zvinhu pazvinhambwe zvese mushure mekunge warasikirwa nekugona kushandura kutarisa kwemeso ako nekuda kwezera, inozivikanwawo se presbyopia.
Nekuda kweichi basa chairo, bifocal lenzi anonyanya kunyorerwa kune vanhu vanopfuura makore makumi mana kuti vabatsire kutsiva kuparara kwechisikigo kwekuona nekuda kwekuchembera.
7.5 Maawa ndiyo yemazuva ese skrini nguva avhareji yatinoshandisa pazviratidziro zvedu. Zvakakosha kuti tichengetedze maziso edu. Iwe haungabudi kunze kwezuva rakajeka rezhizha usina magirazi ezuva, saka nei waizotadza kudzivirira maziso ako kubva kuchiedza chinoburitswa skrini yako?
Chiedza chebhuruu chinowanzo zivikanwa kuti chinokonzera "Digital Eye Strain" iyo inosanganisira: maziso akaoma, kutemwa nemusoro, kusaona zvakanaka, uye kukanganisa kurara kwako. Kunyangwe iwe ukasasangana neizvi, maziso ako achiri kukanganiswa nechiedza chebhuruu.
Bhuruu mwenje inovharira bifocal lenses ine maviri akasiyana masimba masimba mune imwe lenzi, ichipa avo vanoapfeka mabhenefiti emapeya maviri emagirazi mune rimwe. Bifocals inopa nyore nekuti hauchafanirwa kutakura magirazi maviri maviri.
Kazhinji nguva yegadziriso inodiwa kune vazhinji vatsva vanopfeka bifocal nekuda kwemirairo miviri mune imwe lenzi. Nekufamba kwenguva, maziso ako anozodzidza kufamba zvisina simba pakati pemirairo miviri paunenge uchifamba kubva pane rimwe basa uchienda kune rinotevera. Nzira yakanakisa yekuita izvi nekukurumidza ndeyekupfeka magirazi matsva ekuverenga bifocal kakawanda sezvinobvira, kuti maziso ako aajaira.