In Okuthunyelwe kwebhulogi kwanamuhla, sizohlola umqondo wamalensi ayisicaba aphezulu, ukufaneleka kwawo kubantu abahlukene, kanye nezinzuzo kanye nokubi abakunikezayo. Amalensi e-bifocal angaphezulu ayinketho edumile kubantu abadinga ukulungiswa kombono oseduze noma webanga ngengilazi eyodwa.
Uhlolojikelele lwamalensi e-Flat Top Bifocal:
Amalensi e-bifocal aphezulu awuhlobo lwamalensi amaningi ahlanganisa ukulungisa okubili kokubona kulensi eyodwa. Aqukethe ingxenye engaphezulu ecacile yokubona kude kanye nesegimenti eyisicaba ecacisiwe eduze naphansi ukuze ubone eduze. Lo mklamo uvumela abasebenzisi ukuthi babe noshintsho olungenamthungo phakathi kobude bokugxila obuhlukile ngaphandle kwesidingo samapheya amaningi ezingilazi.
Ukufaneleka Kubantu Abahlukene:
Amalensi e-flat top bifocal abafanele kahle abantu abahlangabezana ne-presbyopia, ubunzima bemvelo obuhlobene nobudala bokugxila ezintweni ezisondelene. I-Presbyopia ngokuvamile ithinta abantu abangaphezu kweminyaka engama-40 futhi ingabangela ukucindezelwa kwamehlo nokufiphala eduze nokubona. Ngokuhlanganisa kokubili ukulungisa okuseduze nebanga, amalensi e-bifocal aphezulu ayisicaba ahlinzeka ngesixazululo esisebenzayo kulaba bantu, eqeda ubunzima bokushintsha phakathi kwamapheya ahlukene ezingilazi.
Izinzuzo zamalensi e-Flat Top Bifocal:
Ukufaneleka: Ngamalensi e-bifocal aphezulu ayisicaba, abagqokile bangajabulela ukunethezeka kokubona kokubili izinto eziseduze nezikude ngokucacile ngaphandle kokushintsha izibuko. Lokhu kunenzuzo ikakhulukazi kulabo abavame ukushintsha phakathi kwemisebenzi edinga amazinga ahlukene okubona kahle.
Okungabizi kakhulu: Ngokuhlanganisa ukusebenza kwamalensi amabili kube yinye, amalensi e-bifocal ayisicaba aqeda isidingo sokuthenga amapheya ezibuko ahlukene ukuze abone eduze nakude. Lokhu kubenza babe inketho engabizi kakhulu kubantu abane-presbyopia.
Ukuzivumelanisa nezimo: Uma sebejwayele amalensi e-bifocal aphezulu, abasebenzisi bawathola ekhululekile futhi kulula ukuwajwayela. Inguquko phakathi kwebanga kanye namasegimenti okubona eduze iba lula ngokuhamba kwesikhathi.
Ububi beFlat Top Bifocal Lens:
Ukubona okuphakathi nendawo okunomkhawulo: Njengoba amalensi e-bifocal ayisicaba aphezulu egxila ngokuyinhloko ekuboneni okuseduze nebanga, indawo yombono emaphakathi (njengokubuka isikrini sekhompyutha) ingase ingacacisi kangako. Abantu abadinga ukubona okubukhali okumaphakathi kungase kudingeke bacabangele ezinye izinketho zamalensi.
Ulayini obonakalayo: Amalensi e-bifocal aphezulu ayisicaba anomugqa obonakalayo ohlukanisa ibanga namasegimenti aseduze. Nakuba lo mugqa ungabonakali kwabanye, abanye abantu bangase bathande ukubukeka okungenamthungo, becabangela amanye amadizayini amalensi njengamalensi aqhubekayo.
Amalensi e-bifocal aphezulu ayisicaba anikeza isixazululo esisebenzayo kubantu abane-presbyopia, enikeza umbono ocacile wazo zombili izinto eziseduze nebanga epheyani eyodwa yezibuko. Ngenkathi zinikeza ukunethezeka nokusebenza kahle kwezindleko, zingase zibe nemikhawulo ngokuya ngombono ophakathi nendawo kanye nomugqa obonakalayo phakathi kwamasegimenti. Kuhlale kunconywa ukuthi uthintane nodokotela wamehlo noma uchwepheshe wokunakekelwa kwamehlo ukuze unqume inketho ye-lens efanelekile ngokusekelwe ezidingweni zomuntu ngamunye kanye nezintandokazi.
Isikhathi sokuthumela: Sep-26-2023