I-lens yocingo lokuxhunywa yileli yinkimbinkimbi ekhethekile yokuxhumana engahle ibe yindlela ongakukhetha ngayo uma ungakhululekile ukugqoka amalensi oxhumana nawo agesi aphephile . Amalensi okuxhumene nawo ama-hybrid azama ukunikeza abantu ubuciko obubonakalayo be-lens egxilile yegesi elimelelekile ngenduduzo ye-lens yokuxhumana ethintana nabo. I-lens yokuxhumana yomshuwalense iqukethe i-lens yokugoma engagungqiyo yensimbi enomgogodla nge-skirt yangaphandle eyenziwe ngezinto ezithambile zensimbi.
Ubani Okudinga Ama-Lens Okuthintana Ne-Hybrid?
Oxhumana nabo be-Hybrid akuwona wonke umuntu. Abanye abantu bangase bazuze kumklamo we-lens hybrid. Funda uhlu olulandelayo bese unquma ukuthi ungumuntu ozobhalwa ngamalensi okuxhumana angama-hybrid.
- Ingabe ufisa ukulungiswa kombono, ukulungiswa kombono? Awujabuli ngombono wakho olungiswe ngama-lens okuthintana avamile?
- Unayo imali ephezulu ye- astigmatism ?
- Uma une-astigmatism eningi, ufuna ukugqoka iloli ye-bifocal yokuxhumana?
- Ingabe uhlupheka nge- keratoconus ?
- Uke waba nesifo esibuhlungu noma ukufakelwa kwe-corneal futhi uhlushwa ukuhlanekezela kwe-corneal?
- Uke waba nokuhlinzwa okuqhubekayo futhi awujabuli nomphumela?
Abantu abanezinkinga ezithile okukhulunywe ngenhla banezinhlobo ezithile zokungahambi kahle noma ukuphazamisa. Izikhathi eziningi le nkinga ayilungiswanga ngezibuko zamehlo kanye nodokotela bazozama ukufaka i-lens evamile yokuxhumana yensiza eqinile. I-lens enzima ikhiqiza umbono ongcono ngoba ufihla konke ukuhlanekezela kwe-corneal, ukulingisa ubuso obusha obushelelezi bokugxila ekukhanyeni.
Ngenxa yokuthi i-lens ethintana naye ithambile, i-astigmatism noma ukuphazamiseka kuvame ukukhanya ngaphakathi kwesikhala ngoba i-lens esithambile ivele idonse phezu kwe-cornea.
Ngenxa yokuthi i-lens eqinile yegesi iyigugu, ayikhululekile kubo bonke abantu. Abanye abantu banokuphazamiseka okukhulu kangangokuba kunzima kudokotela wabo we-iso ukuze uthole i-lens ibe kahle phakathi kwe-cornea ne-umfundi.
Ngomklamo we-lens oxhumene nabo, ama-optics aphikisayo e-lens enzima anikezwa ngepeni lensimbi eliqinile. I-lens eqinile ivulela i-cornea ngakho-ke ayikugubha ngokumelene nayo, okwenza kube nzima. Isiketi esithambile sithinta i-lens eqinile endaweni yokugwema ukuthutha.
Ingabe Noma ubani Ogqoka Ama-Lens Hybrid?
Uma ungakwazi ukugqoka i-lens yokuxhumana ethintana njalo, kungenzeka ukuthi ugqoke i-lens hybrid. Kodwa-ke, ungase ungaboni okuningi kwenzuzo ngaphandle kokuba unezimo ezibalwe ngenhla. Iziguli ezigqoka ama-lens hybrid zisho ukuthi umbono wabo ukhulu kakhulu kunalokho uma zilungiswa nge-lens elithambile. Ngezinye izikhathi, i-lens hybrid ngeke isebenze. Lokhu kwenzeka ngezinye izikhathi lapho umuntu ene-astigmatism lenticular kunokuba i-astigmatism i-corneal. Udokotela wakho uzoqhuba ukuhlolwa okuningiliziwe ukuze anqume ukuthi ngabe i-lens hybrid izokusebenzela.
Izwi elivela
Abanye abantu bacabanga ukuthi ama-lens hybrid adinga isikhathi esengeziwe sokunakekelwa nokuhlanzwa. Ama-lens amaningi ama-hybrid asheshe anakekele njengama-lens okuthintana avamile. Ngezinye izikhathi, uhlobo olufanayo lwezixazululo lungasetshenziswa. Noma kunjalo, into eyodwa okumelwe uyikhokhele ngokuyinhloko yingxenye yendawo ye-lensi. Ngenxa yokuthi ingxenye yesikhungo iyanzima, ingahle iphulwe uma ngabe ukucindezela okukhulu kusetshenziselwa yona ngenkathi igubha noma ihlanza ilensi.
> Umthombo:
> Holt JC, uDansie DF, Ogden, Utah. "I-Hybrid Ye-Hard-To-Please: I-hybrid multifocal-ukugqoka nsuku zonke inikeza induduzo kanye nombono ngesikhathi esisodwa." Ukuphathwa kwe-Optometric, Okthoba 2007.