1.59 PC Blue Block Photochromic Progressive
Me yasa ruwan tabarau na polycarbonate?
Polycarbonate an ƙera shi a cikin 1970s don aikace-aikacen sararin samaniya kuma a halin yanzu ana amfani da shi don kallon kwalkwali na 'yan sama jannati da kuma na'urar iska ta jirgin sama.
An gabatar da ruwan tabarau na gilashin ido da aka yi da polycarbonate a farkon shekarun 1980 don mayar da martani ga buƙatun ruwan tabarau marasa nauyi, masu jurewa.
Tun daga wannan lokacin, ruwan tabarau na polycarbonate sun zama ma'auni don gilashin aminci, tabarau na wasanni da kayan ido na yara.
Saboda ba su da yuwuwar karyewa fiye da ruwan tabarau na filastik na yau da kullun, ruwan tabarau na polycarbonate shima zaɓi ne mai kyau don ƙirar kayan sawa mara kyau inda aka haɗa ruwan tabarau zuwa abubuwan firam ɗin tare da hawan haƙora.
Lens na Photochromic Mai Amsa Haske
ruwan tabarau na Photochromicruwan tabarau ne masu duhu lokacin da aka fallasa su ga hasken ultraviolet (UV). Waɗannan ruwan tabarau suna da fasali na musamman wanda ke kare idanunku daga hasken UV ta duhu. Gilashin suna yin duhu a hankali a cikin 'yan mintuna kaɗan lokacin da kuke cikin rana.
Lokacin duhu ya bambanta da alama da wasu abubuwa da yawa kamar zafin jiki, amma yawanci suna duhu a ciki1-2mintuna, kuma toshe kusan kashi 80% na hasken rana. Hakanan ruwan tabarau na photochromic suna haskakawa don kammala tsabta lokacin da suke cikin gida cikin mintuna 3 zuwa 5. Za su yi duhu dabam-dabam idan an fallasa su da hasken UV - kamar a ranar gajimare.
Waɗannan gilashin suna cikakke lokacin da kuke shiga da fita daga UV (hasken rana) akai-akai.
Blue Block Photochromic Lens
Blue Block
Blue toshe photochromic ruwan tabarau an tsara su don dalilai daban-daban, suna da damar toshe hasken shuɗi.
Yayin da hasken UV da hasken shuɗi ba abu ɗaya ba ne, hasken shuɗi na iya zama cutarwa ga idanunku, musamman ta hanyar tsawaita ɗaukar hotuna zuwa allon dijital da hasken rana kai tsaye. Duk hasken da ba a iya gani da wani bangare na iya yin illa ga lafiyar idonka. Blue toshe photochromic ruwan tabarau suna kare kariya daga mafi girman matakin makamashi akan bakan haske, wanda ke nufin su ma suna kariya daga hasken shuɗi kuma suna da kyau don amfani da kwamfuta.
Na ci gaba
Lenses masu ci gaba sune manyan ruwan tabarau na fasaha waɗanda kuma aka sani da no-bifocals. Domin, sun ƙunshi nau'o'in hangen nesa da suka kammala karatu daban-daban daga yanki mai nisa zuwa tsaka-tsaki da kusa da shi, wanda ke ba mutum damar kallon abubuwa na nesa da kusa da duk abin da ke tsakanin. Suna da tsada idan aka kwatanta da bifocals amma suna kawar da layin da ke bayyane a cikin ruwan tabarau na bifocal, yana tabbatar da ra'ayi mara kyau.
Mutanen da ke fama da Myopia ko kusa-hannu, na iya amfana da irin wannan nau'in ruwan tabarau. Domin, a cikin wannan yanayin, zaku iya kallon abubuwa kusa da kyau a sarari amma waɗanda ke nesa za su bayyana a cikin duhu. Don haka, ruwan tabarau masu ci gaba sun dace don gyara wurare daban-daban na hangen nesa da kuma rage yiwuwar ciwon kai da ciwon ido da ke haifar da amfani da kwamfuta da squinting.
