Amalensi wamehlo: impendulo evela kubathengi nochwepheshe. Ingabe ama-lens ama-eye ayingozi?

Ngokuvamile kwenzeka ukuthi abantu abanamehlo ampofu benqaba ukugqoka izibuko. Izizathu zingase zihluke kakhulu: kusukela ekungcoleni ukunganeliseki nokubonakala kwazo kuzo. Ngokunye, ama-lens axhumene nawo akhona ngamehlo. Kunezinhlobo eziningi zezinhlobo. Ama-lens asetshenzisiwe kanye ne-myopia (noma ukubhekwa phambili), kanye ne-astigmatism. Ngaphezu kwalokho, lokhu kuyindlela enhle yezingane, okuzosiza ukugwema ukuthuthukiswa kwezinkimbinkimbi. Kodwa-ke, kubalulekile ukwazi ukuthi ama-lens amahle kunawo wonke, ukubuyekezwa mayelana nokuthi odokotela nabajwayelene nabo bazobe bengenaphutha, kungenzeka ukuthi akulungile kuwe. Ngakho-ke, into yokuqala oyidingayo ukuze ukhethe okusemandleni ukuxhumana nochwepheshe.

Izinhlobo zamalensi oxhumana nabo

Ngokusho kohlobo lobunzima, ama-lens aqinile futhi athambile ahlukanisiwe. Owokuqala wayemi emsuka walolu hlobo lokulungiswa kombono, kodwa kuze kube yimanje sebeye baxhaswa yizintandokazi. Naphezu kwalokhu, kungenxa ngosizo lwabo njengama-astigmatism alungile. Ama-lenses aqinile amahlo anempilo ende. Ngaphezu kwalokho, azivezi emvelweni. Kodwa ngokududuzeka, ngokuqinisekile ziphansi kunezinto ezilula. Futhi, ama-lens axhumene nawo ahlukaniswe ngokuvumelana nemvamisa yokufaka esikhundleni. Lababili bangashintshwa kusuka kanye ngenyanga kuya kanye ngonyaka. Yiqiniso, kulungile nakakhulu endaweni yokubuka yezokwelapha ukubheja ngemigomo emifushane egqoke (kuze kube izinyanga ezintathu). Ama-lens anjalo yamehlo ochwepheshe athola kakhulu, izinkinga zempilo azivuki lapho zigqoka. Ngezifo ezehlukene, lezi zinhlobo ezilandelayo zokulungisa amalensi zisetshenziswa:

• I-spherical (i-myopia, i-hyperopia);
• I-Toric (i-astigmatism);
• Bifocal (presbyopia).

Amalensi noma izibuko?

Izinzuzo eziyinhloko zama-lens axhumene nawo umbono omuhle kakhulu wendawo futhi akukho ukuhlanekezela kwezinto. Kungakhathaliseki ukuthi izibuko zihle kangakanani, abaniki ithuba lokubona ukuthi yini emaceleni. Ngenxa yalokhu kudingekile ukujika, okungahambisani kahle. Ngaphezu kwalokho, izibuko zishintsha ukuma kwamehlo ethu nokubukeka kwazo. Ukukhathazeka ngokukhethekile kubonakala ngabanikazi babo phakathi nenkathi ebandayo. Ebusika, izibuko zivame ukuzikhukhumeza; Ngenxa yezizathu eziningi nezinye eziningi, ukulungiswa kwama-lens othintana nabo abathandekayo kuthola ukuthandwa phakathi kwabashayeli. Bakhululekile, behlanzekile, abaphazamisi ukunyakaza futhi abavimbeli insimu ebonakalayo. Kubashayeli, ukulungiswa kwombono okuqondile kuhlobene ngqo nokuphepha. Ama- lens atholakalayo anamuhla aphansi i- PureVision2 HD anikeza ukubonakala okuphezulu , akukho i-glare ne-halos, ikakhulukazi ebumnyameni, kanye nokufinyelela okuhle kakhulu kwe-oksijeni ku-eye of eye.

Ukungalungi

Yiqiniso, njengawo wonke umkhiqizo wezokwelapha, ama-lens axhumene nawo anezinselele zabo. Okokuqala, uma uzigqoka, kufanele uhle kahle futhi ulandele yonke imithetho yokusetshenziswa. Uma kuqhathaniswa nama-eyeglass, ama-lens abe nokuphila okufushane futhi adinga ukushintshwa okuvamile. Ngaphezu kwalokho, lezi zindleko ezengeziwe. Uma ugqoka umkhiqizo, ngaphandle kokususa isikhathi eside (noma ungawushintshi ngesikhathi), cishe akunakwenzeka ukugwema ukuvela kwesibindi sokuvuvukala, i-conjunctivitis.

Ingabe ama-lens axhumane nawo anemibono?

Ochwepheshe ngeke abanike ama-lens ngezici ezinjalo:

• Izinqubo zokuvuvukala ezisezingeni elisebenzayo;
• Ukwakheka kwezinyembezi ezincane;
• Ukuxhaswa kwe-lens;
• I-Glaucoma;
• I-Strabismus (engama-15 °);
• I-asthma, izifo zokuphefumula, i-rhinitis.

Kungase kube nobunzima uma umuntu ejwayele ukuphendula okweqile. Amehlo anomile angabonakala lapho esebenza emakamelweni lapho kukhona amakhemikhali amanengi noma uthuli.

Amalensi wokuxhumana amnandi

Kuze kube manje, isidingo esikhulu samalensi ombala wamehlo. Impendulo mayelana nabo ibukeka ngokuyinhloko ngenxa yethonya lobuhle. Phela, cishe wonke amaphupho wesifazane wesithathu ombala wamehlo. Izinto zokubala ezisetshenziswa ekukhiqizeni kwazo ziphephile ngokuphelele. Ama-lenses ombala wombala awabangeli ukuvuvukala noma ukusabela okwe-allergen (okuhlukile - ukubekezelelana ngabanye), akuyona into enobuthi. Ngaphezu kokusebenza kwezimonyo, imikhiqizo enjalo iyakwazi ukulungisa nokukhubazeka kwezokwelapha. Ziyadingeka ngokubonakala kwe-cornea. Kunezifo ezihambisana nokungahambisani nokukhanya kwelanga. Kulesi simo, amalensi nawo ayasiza. Ngemuva kokuhlukunyezwa noma ukuhlinzeka, iziphutha ze-iris zivame ukuvela. I-lens ye-lens yombala izosiza ukulungisa isici esinjalo.

Izinhlobo zama-lens ezinemibala

Wonke ama-lens aqoshiwe ahlukaniswe ngamaqembu amabili. Okokuqala kufaka phakathi imikhiqizo yomthunzi. Baneqenjana elincane lombala futhi libala ngokucacile. Ukushintsha umbala wamehlo ngosizo lwabo akunakwenzeka, kodwa umthunzi ofanele uqobo. Ngamehlo amnyama, awafanelanga. Iqembu lesibili liyi-lens yamehlo enemibala, ene-coat opaque. Yilokho asetshenziselwa ushintsho lwekhadididi. Kukhona kokubili amalensi okulungisa amakhi nemikhiqizo ngaphandle kwe-diopters.

Ukungalungi kwama-lens aqoshiwe

Enye yezinkinga eziyinhloko lapho sigqoka ama-lens ezinombala ukuwohloka kwekhwalithi yombono emakamelweni amnyama. Ngempela, ngokuhlanjululwa kwengxenye yomfundi kungavinjelwa i-lens (kusukela ingxenye ebonakalayo ayishintshi ngosayizi). Ngokwemvelo, lokhu kungabhubhisa kakhulu umbono wezinga elizungezile. Ama-lenses ombala ayanda kakhulu, ngakho isikhathi sabo sokugqoka sinciphisa amahora amaningana. Ngaphandle kwalokho, izinqubo zokuvuvukala azikwazi ukugwema. Esinye isimo esingathandeki esingase siphume nemikhiqizo enjalo - uma kukhanya kungashintsha. Kufanelekile ukucabangela, ukukhetha ama-lense anjalo ngamehlo. Ukubuyekeza kubonisa ukuthi ukugqoka kwabo akuthandeki uma ushayela.

I-Orthokeratological lenses

Igama elisha embonweni wokulungiswa yi-lens ebusuku. Zinezinzuzo eziningana. I-Orthokeratology (ukulungisa ebusuku) ivumela ukusetshenziswa okulungile kwamalensi akhethekile ukulungisa isimo se-cornea. Lokhu kuzonikeza ithuba emini ukuba nombono ophelele. Ama-lens asebusuku wamehlo enza phakathi kwe-cornea flat. Ifomu elinjalo lingaqhubeka izinsuku ezingu-1-2. Le ndlela yokulungiswa ingamisa ukuqhubeka kwe-myopia kwabaselula. Lokhu kuyindlela engcono kakhulu kulabo abangakufanelekeli amalensi amancane, kanye nabagijimi nabantu abaphila ngendlela esebenzayo. I-Orthokeratology ifanele kulabo abahlala bexhumana njalo nezingxenye ezinonya. Uma isiguli silungiselela ukulungisa umbono we-laser futhi sifuna ukulingisa umphumela, khona-ke ama-lens ebusuku azosisiza kulokhu. Kodwa-ke, ungakhohlwa ukuthi umphumela ubuyekezwa, futhi ngosuku lokubona luzofana nalokhu. Ukusetshenziswa okujwayelekile kuphela kunganikeza umphumela oyifunayo wansuku zonke. Ama-lenses anjalo ngamehlo okubuyekezwa ayenhle: ukulutha umlutha kwenzeka cishe ngesonto, ukulala akuphazamisi, kusale kulula.

Indlela yokukhetha amalensi oxhumana nabo afanele

Umbuso obaluleke kakhulu uma ukhetha izindlela zokulungiswa kombono ukubonisana nomchwepheshe onolwazi. Uzohlola isimo sombono bese ukhetha ncamashi lawo ma-lensi azofanelekela ukuma kwamehlo akho. Ngemva kokukhetha imodeli, udokotela wenza kahle. Mhlawumbe, akudingeki ukuthi kube nemikhiqizo eyodwa, ngakho-ke akusizi kahle uma ugqoke. Khona-ke imizuzu engu-10 kuzodingeka ilinde. Ekupheleni kwalesi sikhathi, uchwepheshe uphinde ahlolisise amehlo, isikhundla sama-lens kuwo. Uma zikhethiwe kahle, khona-ke ngqo kwi-optics salon isiguli yena kuzodingeka afunde ukuthi angagqoka kanjani futhi asuse imikhiqizo. I-ophthalmologist izokhuluma ngendlela yokunakekela kahle i-lens, ukuthi uguqula kaningi nokuthi yini okufanele uyigweme. Ngokweziphakamiso, isikhathi sokugqoka kufanele senyuke kancane kancane. Ngosuku lokuqala, ngokwanele ukugqoka ama-lens ama-2 amahora, okwesibili kuya kwezingu-4, kancane kancane uletha amahora angu-10-12. Kunezilensi ezikhethekile zamehlo azwelayo. Zenziwe ngezinto eziphilayo, zinekhono elihle lokudlula oksijini. Ngaphezu kwalokho, amalensi anjalo alula kakhulu, okwenza angaboni kahle emehlweni. Uma kukhona isici esinjenge-hypersensitivity, kuze kube manje, i-ophthalmology yanamuhla izonikeza izinketho eziningi zokulungiswa kombono. Ngendlela, i-lens ye-day eyodwa iphinde isinconywe ngamehlo azwelayo.

Izinganekwane mayelana nokulimaza

Umbuzo wokuthi ngabe i-lens iyingozi emehlweni, izikhathaza iziguli eziningi. Kodwa-ke, ngokugqoka okufanele futhi ukushintshwa njalo, ingozi yezempilo ayilutho. Ukulandela izincomo zikadokotela, ukuhlala kwabo kungakhunjulwa kuphela uma sekuyisikhathi sokuzikhumula. Ukuze ugweme ukuthi kungenzeka izinkinga zamehlo, ungakhohlwa mayelana nokuhlanzeka. Uma ugqoka noma ususa ama-lense, izandla kufanele zihlanzwe kahle nge-sese. Kunconywa ukuthi usebenzise ithawula le-waffle ukuze ugweme ukunamathela kwe-villi encane. Kungcono ukuyeka insipho yekhilimu, ukuze amafutha ashubile ashiywe ngakwesokunene. Ingxenye yesipilisi esibulala amagciwane ibalwa isikhathi 1 kuphela. Isiqukathi semikhiqizo kufanele sibe nokuhlanzeka okuphelele, asikwazi ukugeza ngamanzi asebenzayo. Futhi kubalulekile kuze kube phakade ukukhohlwa umkhuba wokugubha amehlo akho ngezandla zakho. Ngaphandle kokungenwa kokutheleleka, kunengozi yokulimala ku-lens. Uma owesifazane kufanele akwenze, ama-lens kufanele agqoke ngaphambi kokuba inqubo iqale. Futhi emva nje kokuthi zisuswe ungaqala ukuhlanza ubuso bakho. Ukuphindwa kabusha kwama-lens okuxhumana nawo (kanye neziqukathi), ukuhlolwa kwe-eye okuhleliwe kuzokusiza ukulondoloza impilo ye-eye isikhathi eside.