Ukuguga kwabantu sekuyinto evamile emhlabeni. Namuhla, izinkinga zempilo yabantu asebekhulile zibhekwa ngokungathi sína yiwo wonke umuntu. Phakathi kwazo, izinkinga zezempilo zombono zasebekhulile nazo zidinga ukunakwa nokukhathazeka kwawo wonke umuntu. Abantu abaningi bacabanga ukuthi i-presbyopia ayikwazi nje ukubona amagama aseduze ngokucacile, ngakho vele uthenge izibuko ze-presbyopic. Eqinisweni, ukukhetha izibuko zokufunda akuyona "okungahleliwe". Kubaluleke kakhulu ukukhetha ngokucophelela izibuko zokufunda ezikufanelayo.
Indlela Yokukhetha Ipheya Lezibuko Zokufunda
1.UMBONO OWODWA
Kuyindlela evame ukusetshenziswa kakhulu yokulungisa i-presbyopia. Ngokuvamile, ngesisekelo sokubona ngokucacile kude, inani elithile lamandla esibuko esihle liyengezwa, ukuze ukubona ngokucacile kude kucace eduze.
Izinzuzo:Ukukhanya kwelensi ekhululekile, engaguquki ngaphakathi kwenkundla yokubona, kulula ukuzivumelanisa nezimo; ukonga futhi kuyathengeka.
Ububi:Kwabanye abantu abadinga ukufaka izibuko ukuze babone kude, ukuhlinzwa kuba nzima kakhulu. Isibonelo, asebekhulile abane-myopia ephakathi kuya phezulu ngokuvamile kudingeka bagqoke izibuko ezine-myopia ephakeme lapho behamba futhi bebuka i-TV; uma befunda izincwadi noma omakhalekhukhwini, badinga ukukushintsha. Ukugqoka izibuko ze-presbyopic, ukuzivula nokuzivala, ukusebenza kunzima kakhulu. Esimweni esinjalo, ingabe kukhona izibuko ezingaxazulula inkinga yokubona kude naseduze ngesikhathi esisodwa? Yebo, ama-bifocals.
2. Bifocals
Isho ukucutshungulwa kwamandla amabili ahlukene e-refractive ezingilazini ezifanayo ukuze abe ilensi yombukwane enezindawo ezimbili zokulungisa ngesikhathi esisodwa.
Izinzuzo:Elula, ingxenye engaphezulu yelensi iyindawo yokubona kude, kanti ingxenye engezansi iyindawo eseduze yombono. Ipheya elilodwa lezibuko lixazulula inkinga yokubona kude naseduze, futhi ligwema ukukhumula nokugqoka amapheya amabili ezingilazi liye naphambili.
Ububi:Kubantu abadala abanamazinga aphezulu e-presbyopia, izinto ezisebangeni eliphakathi zingase zingacaci; Umphumela weprism ophansi wenza into ibonakale “igxuma” endaweni ephezulu.
Uma kuqhathaniswa nelensi yombono owodwa, ilensi ye-bifocal iyakwazi ukubona kude naseduze, kodwa ilula kancane ezintweni ezisebangeni eliphakathi nendawo, ngakho ingabe zikhona izibuko ezikwazi ukubona kude, phakathi naseduze, futhi ezikwazi ukubona ngokucacile kulo lonke ibanga? Yebo, izibuko eziqhubekayo.
3. Izibuko eziqhubekayo
Kubhekiselwa ekushintsheni kancane kancane kwezibuko ezengeziwe ezingenakubalwa ukusuka phezulu kuye phansi esiqeshini sezibuko, okuhlinzeka ogqokile ukubona okuqhubekayo nokucacile kusukela kude kuya eduze, futhi alukho uhlobo olukhethekile lwezibuko mayelana nokubukeka kwelensi.
Izinzuzo:Ilula, ingaphezulu le-lens liyindawo yombono ekude, futhi phansi indawo eseduze yombono. Kukhona indawo ye-gradient ende newumngcingo exhumanisa lezi zinto ezimbili, ekuvumela ukuthi ubone izinto ezisebangeni elimaphakathi. Izinhlangothi ezimbili zendawo ye-gradient yizindawo ezizungezile. Ipheya lezibuko kanyekanye lixazulula izidingo ezibukwayo zamabanga akude, aphakathi nendawo naseduze, kuzuzwe "ushintsho lwesivinini olungenasinyathelo".
Ububi:Uma kuqhathaniswa nezibuko zokubona okukodwa, kuthatha isikhathi eside ukufunda nokuzivumelanisa nezimo.
Ngakho-ke, ingabe “kube kanye kuphela” ukukhetha izibuko zokufunda ezifanele?
Futhi akunjalo. Izinga le-presbyopia lizoqhubeka nokukhula ngokuya ngeminyaka, ngokuvamile likhuphuka ngezinga lama-degree angu-50 njalo eminyakeni emi-5. Ucwaningo luye lwathola ukuthi kubantu abangenayo i-diopter, izinga le-presbyopia eneminyaka engu-45 ngokuvamile liyi-100 degrees, futhi likhuphuka libe ngama-degree angu-200 eminyakeni engu-55. Lapho eneminyaka engu-60, i-degree izokwenyuka ibe yi-250 degrees kuya ku-300 degrees. Izinga le-presbyopia ngokuvamile alijuli. Kodwa esimweni esithile, kunconywa ukuya esibhedlela samehlo ukuze uthole i-optometry yezokwelapha ngaphambi koku-oda izibuko
Uma ufuna ukwazi okwengeziwe mayelana nezitayela zemfashini yezibuko kanye nokubonisana nezimboni, sicela uvakashele iwebhusayithi yethu futhi usithinte noma nini.
Isikhathi sokuthumela: Jul-28-2023