Yiluphi uhlobo lwelensi olungcono kakhulu ekuvikeleni umbono wakho?

Abathengi abaningi bazizwa bedidekile lapho bethenga izibuko zamehlo. Ngokuvamile bakhetha amafreyimu ngokusekelwe kulokho abakuthandayo, ngokuvamile becabangela induduzo kanye namanani afanele. Kodwa ukukhetha ilensi kuyadida: Yiluphi uhlobo lomkhiqizo olungcono kakhulu? Yimaphi amalensi afanelana nawe? Yimaphi amalensi anikeza ikhwalithi ephezulu? Uma ubhekene nezinhlobonhlobo zamalensi, ungakhetha kanjani elifanele wena?

Izisebenzi zasehhovisi zikhetha kanjani?

Izisebenzi zasehhovisi zivame ukuchitha isikhathi eside zibheke izikrini zekhompyutha futhi zivame ukushintsha phakathi kwamadivayisi ahlukahlukene kagesi. Lokhu kungaholela kalula ekucindezelekeni kwamehlo ngokweqile futhi kwandise izimpawu zokukhathala kokubona. Ngokuhamba kwesikhathi, kungavela izinkinga ezifana namehlo omile, ukungakhululeki kwamehlo, kanye nokungaboni kahle, okungathikameza ukusebenza kahle komsebenzi futhi okungase kubangele "imiphumela emibi" eyahlukahlukene: ubuhlungu bentamo namahlombe, ikhanda elibuhlungu, amehlo omile, nokuningi.
Ngakho-ke, kubasebenzi basehhovisi abasebenzisa amadivayisi kagesi isikhathi eside, izibuko zabo zamehlo kufanele zibe nezakhiwo zokulwa nokukhathala, zivimbele ukukhanya okuluhlaza okwesibhakabhaka okuyingozi, futhi zivikele impilo yamehlo.

1. Amalensi: Ama-Progressives Omsebenzi noma "Ehhovisi". Ngokungafani nama-progressive ajwayelekile, lawa alungiselelwe amabanga aseduze naphakathi (ideski kanye nesikrini). Anikeza insimu ebanzi yombono we-monitor yakho, okunciphisa isidingo sokutshekisa ikhanda lakho ukuze uthole "indawo enhle."

2. Ukwemboza: Okungabonisi Ukukhanya (AR) / Okungabonisi Ukukhanya. Kubalulekile ekususeni ukukhanya okubukhali okuvela ezibanini zehhovisi eziphezulu kanye nokukhanya kwesikrini okubangela ukufiphala nokukhathala.

3. Isivikelo: Ukuhlunga Okuluhlaza okwesibhakabhaka. Nakuba ilanga lingumthombo omkhulu wokukhanya okuluhlaza okwesibhakabhaka, izisebenzi eziningi zasehhovisi zithola ukuthi ukuhlunga ukukhanya okuluhlaza okwesibhakabhaka okunamandla aphezulu ezikrinini kusiza ngenduduzo yokubona kanye nokulawula ubuthongo uma usebenza sekwephuzile.

Abafundi bakhetha kanjani?

Njengoba izingcindezi zemfundo kubafundi ziqhubeka nokukhula, ukwehlisa nokulawula ngempumelelo ukuqhubeka kwe-myopia kusalokhu kuyinto ekhathaza kakhulu abafundi kanye nabazali babo. Njengoba izimbangela ze-myopia zihluka phakathi kwezingane kanye nentsha, kubalulekile ukuhlolwa kwamehlo kochwepheshe ngaphambi kokuthola imininingwane kadokotela. Ngokusekelwe emiphumeleni yokuhlolwa kanye nesimo sakho samehlo, kufanele ukhethe imikhiqizo efanelekile ukuze ubambezele ngempumelelo ukuqhubeka kwe-myopia.

Kubafundi ababhekene nokucindezeleka okwandayo kwezemfundo, imikhiqizo efanelekile ifaka:

1. Amalensi: amalensi amaningi aqhubekayo, amalensi okulwa nokukhathala, futhi amalensi okulawula i-myopia equkethe umklamo we-defocus ongaphandle.

2. Izinto: I-Polycarbonate noma i-Trivex. Abafundi bavame ukuhamba. Lezi zinto azikwazi ukushaqeka futhi kunzima kakhulu ukuziphula kunepulasitiki ejwayelekile, okwenza ziphephe kakhulu empilweni yasekhempasini kanye nezemidlalo.

3. Isivikelo: Isilinganiso se-UV400. Ngisho nakuma-lens acacile, ukuqinisekisa ukuthi avimba imisebe ye-UVA ne-UVB engu-100% kubalulekile ekuvikeleni ekulimaleni kwelanga isikhathi eside ngesikhathi sokuhamba phakathi kwezifundo.

Abantu asebekhulile bakhetha kanjani?

Njengoba siguga, ilensi yeso iyawohloka kancane kancane futhi ilahlekelwe ikhono layo lokugxila, okuholela ekuboneni okufiphele kanye nobunzima bokubona izinto eziseduze—into evamile yomzimba eyaziwa ngokuthi i-presbyopia. Uma abantu benamaphutha okubona okufiphele athinta umbono okude, bazobona umbono ofiphele kuwo wonke amabanga (kude, phakathi, naseduze). Ngakho-ke, isidingo sabo esibaluleke kakhulu yikhono lokubona ngokucacile nangokukhululekile kuwo wonke amabanga—kude, phakathi, naseduze—ngenkathi behlangabezana nezindinganiso eziphakeme zekhwalithi yokubona iyonke. Ngaphezu kwalokho, njengoba abantu bekhula, ingozi yokuthola izifo ezahlukahlukene zamehlo (njenge-cataracts kanye ne-glaucoma) iyanda. Ngenxa yalokho, lolu hlobo lwabantu ludinga izinga elithile lokuvikelwa kwe-UV.

1. Amalensi: Amalensi Aqhubekayo Asezingeni Eliphezulu. Kulabo abane-presbyopia (ubunzima obuhlobene nobudala bokugxila eduze), ama-progressive ekhwalithi ephezulu anikeza ushintsho olungokwemvelo kakhulu phakathi kokushayela, ukuhamba, nokufunda ngaphandle "kokugxuma kwesithombe" noma umugqa obonakalayo wama-bifocal.

2. Izinto: Amalensi Anenkomba Ephakeme. Uma unemithi kadokotela enamandla, izinto ezibonisa izinga eliphezulu zigcina amalensi emancane futhi elula, okuvimbela izibuko ezisindayo ukuthi zingasheleli noma zibangele ukungakhululeki ekhaleni.

3. Ukwemboza: I-Photochromic. Njengoba amehlo ekhula, aya ngokuya ezwela kakhulu ekukhanyeni. Lawa malensi amnyama ngokuzenzakalelayo ngaphandle, ahlinzeka ngokukhululeka okusheshayo ekukhanyeni okukhanyayo futhi aqinisekise ukuvikelwa okungu-100% kwe-UV ngaphandle kwesidingo sokushintshana phakathi kwama-pair amabili ezibuko.

4. Ukuphepha: Ijazi Eliqinile Elingakhubeki. Ukuqinisekisa ukuthi ukucaca akuphazamisi ukuklwebheka okuncane, okungaba yinto edida kakhulu amehlo asebekhulile.

Isifinyezo Sokuqhathanisa

Ngamafuphi, abantu bamaqembu ahlukene eminyaka banezidingo ezihlukile zokubona, okudinga ukuhlolwa kwempilo yamehlo okwenzelwe wena ukuze kutholakale imingcele yelensi yengilazi futhi kunikezwe imikhiqizo ehlukahlukene ukuze kuhlangatshezwane nezidingo zabantu abahlukahlukene.