Ni ryari abasondeso bahimbwe?
Nubwo amasoko menshi avuga ko ijisho ryavumbuwe mu 1317, igitekerezo cy'ibihure gishobora kuba cyaratangiye hakiri 1000 Amakuru yahimbye avuga ko kuri benifocals yahimbye ibirahuri, kandi mu gihe yahimbye bihimba, uyu wahimbye Frannttor yahimbye ibirahuri muri rusange.
Mw'isi aho 60% by'abaturage bakeneye uburyo bumwe bwo gukosora kugirango ubone neza, biragoye gushushanya igihe indogobe itari hafi.
Ni ibihe bikoresho byakoreshejwe mu gukora ibirahuri?
Umunyabwenge wibitekerezo bireba bike bitandukanye nibirahuri byandikirwa tubona uyumunsi - ndetse na moderi yambere itandukanye numuco numuco.
Abanzi batandukanye bari bafite ibitekerezo byabo kuburyo batezimbere icyerekezo bakoresheje ibikoresho bimwe. Kurugero, Abanyaroma ba kera bari bazi gukora ikirahuri kandi bakoresha ibyo bikoresho kugirango bakore verisiyo yabo yamasogi.
Abahinga bo mu Butaliyani bahise bamenya ko Crystal ya kirisiti yashoboraga gutanga convex cyangwa igikona gutanga imfashanyigisho zitandukanye ziboneka kubafite ubumuga butandukanye.
Uyu munsi, amafaranga ya eyeglass ni plastiki cyangwa ikirahure namakadiri birashobora gukorwa mubiti, ibiti, ibiti ndetse na kawa (oya, Starbucks ntabwo ari uko byagenda kose).
Ubwihindurize bwa Eyeglasses
Ijisho rya mbere ryari rifite ubunini-bumwe - bihuye - igisubizo cyose, ariko rwose ntabwo aribyo uyu munsi.
Kuberako abantu bafite ubwoko butandukanye bwo kutagira ubumuga bwo kutabona -myopia(Kuburanisha),Hyperopia(kure),Astigmatism,Amblyyopia.
Ibikurikira ni bimwe mu nzira ibirahuri byateye imbere kandi bitezimbere mugihe:
Bifocali:Mugihe convex lens ifasha ababana nanyopiya kandilens concaveUKOMEZA HYPROPIYA NA PresbyoPIP, nta mutibanuko wagiriye ababa mu bwoko bw'icyerekezo byombi kugeza 1784. Murakoze, Benjamin Franklin!
INDIRIFOCALS:Igice cy'ikinyejana nyuma y'ivumburo rya biFinacals, TriFacals yaje kureba. Mu 1827, John Isaac Hawkins Yahimbye Lens Yahimbye Abafite Abafite BikabijePresbyopia, imiterere iyerekwa risanzwe ryibasiye imyaka 40. Preskopia igira ingaruka kubushobozi bwumuntu kubona-hafi (menus, resept, ubutumwa bugufi).
Lens Lens:Edwin H. Ubutaka bwakoze lealted lens mu 1936. Yakoresheje Akayunguruzo k'iposita mugihe akora amadarubindi. Polarisation itanga ubushobozi bwo kurwanya ibimenyetso no kunoza kureba ihumure. Kubakunda kamere, lelended lens itanga uburyo bwo kwishimira kwishimisha hanze, nkauburobyina siporo y'amazi, mu kongera kugaragara.
Lens igenda itera imbere:Kimwe na biFocals na thikocasali,LensGira imbaraga nyinshi za lens kubantu bafite ikibazo cyo kubona neza intera zitandukanye. Ariko, iterambere ritanga isuku, zidashoboka zireba zigenda zigenda buhoro buhoro mubutegetsi muri buri lensby - muraho, imirongo!
Lenstomic Lens: Lens, nanone byavuzwe nk'inzibacyuho, umwijima ku zuba kandi ukomeze kubara mu nzu. Lenstomic Lens yavumbuwe mu myaka ya za 1960, ariko bamenyekanye mu ntangiriro ya 2000.
Lens yo guhagarika umutima:Kubera ko mudasobwa zabaye ikunzwe munzu mu myaka ya za 1980 (kutavuga TV mbere yibyo na terefone ngendanwa inyuma), imikorarere ya ecran ya Digital yabaye yiganje. Mugukingira amaso yawe kumucyo wubururu wangiza uva muri ecran,Ikirahure cy'ubururuIrashobora gufasha kwirinda ijisho rya digital no guhungabana mukindo cyawe.
Niba ufite inyungu zo kumenya ubwoko bwinshi bwa lens, nyamuneka reba kumpapuro zacu hanohttps://www.uniumvaineptical.com/ubura-.