Iiglasi zamehlo, into emangalisayo eguqule ubomi bezigidi zabantu, zinembali etyebileyo nenomdla ethatha iinkulungwane. Ukususela ekuqaleni kwazo okuthobekileyo ukuya kwizinto ezintsha zanamhlanje, masiqalise uhambo olupheleleyo ngophuhliso lweeglasi zamehlo.
Imvelaphi Yamandulo
Iingcambu zeeglasi zamehlo zinokulandelwa emva kwimpucuko yamandulo. ERoma yamandulo, malunga nenkulungwane yoku-1 AD, ukusetyenziswa kweglasi yokukhulisa ukuze kuphuculwe umbono kwabhalwa phantsi. Olu hlobo lokuqala lokukhulisa lwabeka isiseko sophuhliso lweeglasi zamehlo.
Impumelelo Yamaxesha Aphakathi
Kwakungexesha lexesha eliphakathi apho iiglasi zaqala ukubonakala njengoko sizazi namhlanje. Ngenkulungwane ye-13, imonki yase-Itali egama linguSalvino D'Armate idunyiswa ngokudala iiglasi zokuqala ezinxitywayo. Ezi glasi zokuqala zazineelensi ezimbini ezijijekileyo ezibanjwe kunye yifreyimu eyayimi phezu kwebhulorho yempumlo. Zazisetyenziswa kakhulu ukulungisa ukubona kude, ukuphazamiseka okuqhelekileyo kokubona.
Uphuhliso lweRenaissance
Ixesha leRenaissance labona inkqubela phambili ebalulekileyo kwicandelo le-optics kunye neeglasi zamehlo. Kwinkulungwane ye-16, iilensi ezigobileyo zaqaliswa ukulungisa ukubona okukufutshane. Olu phuculo lwavumela abantu abaneengxaki ezahlukeneyo zokubona ukuba bazuze kwiiglasi zamehlo.
Ngeli xesha, iiglasi zamehlo nazo zaba yinto eqhelekileyo phakathi kwabantu abakumgangatho ophezulu. Iifreyimu ezenziwe ngeentsimbi ezixabisekileyo, ezifana negolide nesilivere, ezihonjiswe ngoyilo oluntsonkothileyo, zaba luphawu lobutyebi nesikhundla.
Uguquko lwezoShishino kunye neMveliso eNinzi
Uguquko lwezeMishini kwinkulungwane ye-18 lwaguqula imveliso yeeglasi zamehlo. Ngokufika koomatshini kunye neendlela zokuvelisa ngobuninzi, iiglasi zamehlo zaba nexabiso eliphantsi kwaye zafikeleleka kuluntu olubanzi. Ukungeniswa kweefreyimu zentsimbi kunye nokukwazi ukwenza iilensi ngeemilo nobukhulu obahlukeneyo kwandise ngakumbi ukhetho olufumanekayo kubantu abanxiba iiglasi zamehlo.
Ukunyuka kwe-Optometry
Kwinkulungwane ye-19, kwavela icandelo le-optometry, ligxile kwisayensi yokulungisa umbono. Iingcali zamehlo zadlala indima ebalulekileyo ekubhaleni nasekufakeni iiglasi zamehlo, ziqinisekisa ukuba abantu bafumana iilensi ezifanelekileyo kwiimfuno zabo ezithile zokubona. Olu qeqesho lobungcali lokufakela iiglasi zamehlo kunye nonyango lwamehlo luphawule inqanaba elibalulekileyo ekuphuhlisweni kweeglasi zamehlo.
Izinto Ezintsha Zanamhlanje
Inkulungwane yama-20 yazisa izinto ezintsha ezininzi kwiiglasi zamehlo. Ekuqaleni kweminyaka yoo-1900, ukungeniswa kweefreyimu zeplastiki kwaguqula ishishini. Ezi freyimu zikhaphukhaphu nezihlala ixesha elide zathatha indawo yeefreyimu zesinyithi zemveli, zinika intuthuzelo enkulu kunye neendlela ezahlukeneyo.
Phakathi kwinkulungwane yama-20, uphuhliso lweelensi eziqhubekekayo lwabonelela ngotshintsho olungenamthungo phakathi kweendawo ezahlukeneyo zokubona, nto leyo eyasusa isidingo seeglasi ezininzi. Ukongeza, ukusetyenziswa kwezinto zelensi eziphambili, ezifana ne-polycarbonate kunye neplastiki ephezulu, kwaphumela kwiilensi ezincinci nezikhaphukhaphu, nto leyo eyandisa intuthuzelo kunye nobuhle.
Iilensi zoQhagamshelwano kunye notyando lweLaser
Kwisiqingatha sokugqibela senkulungwane yama-20 kwavela iindlela ezahlukeneyo zokulungisa umbono, ezinje ngee-contact lenses kunye notyando lwamehlo nge-laser. Ii-contact lenses zazibonelela ngokhetho olungenakuphazamisa abo babefuna ukuphepha ukunxiba iiglasi zamehlo. Kwelinye icala, utyando lwamehlo nge-laser lubonelele ngesisombululo esihlala sihleli kwiingxaki zokubona ngokutshintsha i-cornea.
Nangona ezi ndlela zikhethwayo zaye zathandwa kakhulu, iiglasi zahlala ziyindlela esetyenziswa kakhulu nelula yokulungisa umbono ngenxa yokuba kulula ukuzisebenzisa, ukufikeleleka kwazo, kunye nokungabi nabungozi.
Amathuba Exesha Elizayo
Njengoko sijonge kwikamva, ishishini leeglasi zamehlo liyaqhubeka nokukhula. Ukuhlanganiswa kwetekhnoloji kwiiglasi zamehlo kuya kuxhaphaka ngakumbi. Iiglasi ezikrelekrele, ezixhotyiswe ngezakhono zokwenyani eziphuculweyo, ziyaphuhliswa ukuphucula ubomi bethu bemihla ngemihla, zibonelela ngezinto ezifana nokubonisa ulwazi ngexesha langempela kunye nonxibelelwano olungenazandla.
Ukuqhubela phambili kwisayensi yezinto eziphathekayo kunokukhokelela ekuphuhlisweni kweefreyimu ezikhaphukhaphu nezihlala ixesha elide, okwenza iiglasi zamehlo zibe lula ngakumbi ukuzinxiba. Ukongeza, ukusetyenziswa kwe-nanotechnology kunamandla okuzilungisa ngokwazo ezizivumelanisa ngokuzenzekelayo neemeko zokukhanya ezitshintshayo, zibonelela ngombono ofanelekileyo ngamaxesha onke.
Ukuqukumbela, ukuguquka kweeglasi zamehlo bubungqina bobuchule bomntu kunye nomnqweno wokuphucula amava ethu okubona. Ukususela kwimvelaphi yazo yamandulo ukuya kuphuhliso lwanamhlanje, iiglasi zamehlo zihambe umgama omde. Njengoko ubuchwepheshe buqhubeka buhambela phambili, sinokulindela kuphela ezinye izinto eziya kuphucula umbono wethu kwaye ziphucule ubomi bezigidi kwihlabathi liphela.
Ixesha lokuthumela: Novemba-03-2023