Lapho iziguli ziye kuma-opometrist, zidinga ukwenza izinqumo ezimbalwa. Kungenzeka ukuthi bakhethe phakathi kwamalensi okuxhumana noma izibuko zamehlo. Uma kukhethwa izibuko zamehlo, khona-ke kufanele zinqume amafreyimu namalensi.
Kunezinhlobo ezahlukene zelensi, ngokwesibonelo, umbono owodwa, ama-bifocal kanye nama-lens athuthukayo. Kodwa iziguli eziningi kungenzeka zingazi ukuthi zidinga ngempela ama-bifocal noma amalensi athuthukayo, noma uma amalensi wombono owodwa anele ukuhlinzeka ngombono ocacile. Ngokuvamile, ama-lens wombono owodwa yilensi ejwayelekile kakhulu abantu abaningi abagqokwa lapho beqala ukugqoka izibuko. Empeleni abantu abaningi abadingi ukukhathazeka ngama-bifocal noma ama-lens athuthukile uze uneminyaka engama-40 noma ngaphezulu
Ngezansi kweminye imininingwane enzima yokuthola ukuthi yimaphi ama-lens alungele wena, kufaka phakathi zombili izici ze-optical kanye nezindleko.
Amalensi wombono owodwa
Izinzuzo
Uhlobo lwelensi olungabizi kakhulu, olusetshenziselwa ukulungisa ukuseduze nasekubineni.
Imvamisa akukho sikhathi sokulungiswa okudingekayo ukujwayela.
Ilensi eshibhile
Okubi
Lungisa ukujula kombono owodwa kuphela, eduze noma kude.
Amalensi we-bifocal
Izinzuzo
Ingxenye eyengeziwe ihlinzeka ngokulungiswa kokusondelana nokubuka ibanga.
Isixazululo esisebenzayo sezindleko zokujula kokubonwa kokuningi.
Ishibhile, ikakhulukazi ngokuqhathaniswa namalensi athuthukayo.
Okubi
Umugqa ohlukile, ongelona iqiniso & isigamu umbuthano ohlelwe eduze kwe-lens yombono.
Egxuma esithombeni lapho uguqulwa kusuka kude uye eduze kombono nangemuva futhi.
Ama-lens athuthukayo
Izinzuzo
I-lens ethuthukayo ihlinzeka ngokulungiswa kokubuka okusondele, okuphakathi, kanye nebanga elide.
Susa isidingo sokushintsha phakathi kwamabhangqa amaningi ezingilazi.
Ayikho imigqa ebonakalayo kumalensi wenguquko engenamthungo phakathi kwezindawo ezi-3.
Okubi
Isikhathi sokulungiswa esidingekayo ukuqeqesha iziguli ekusebenziseni izindawo ezintathu zokubuka ezahlukene.
Abasebenzisi abasha bangazizwa benesiyezi noma bezwakalayo baze bajwayela.
Kubiza kakhulu kunombono owodwa noma amalensi we-biforal.
Ngiyethemba ukuthi lolu lwazi olungenhla luyasiza kuwe ukuthola ukuqonda okungcono ngezinhlobo ezahlukene zelensi, kanye nezindleko. Noma kunjalo, indlela engcono kakhulu yokuthola ukuthi yiliphi i-lens elilungile ukubonisana nabachwepheshe be-opometrists. Bangenza ukuhlolwa okuphelele kwempilo yakho nezidingo zabo zombono, futhi bancome abafanele kakhulu.