Ukulungele ukuhweba izibuko zakho zama- lensi ? Abantu abaningi benza injabulo yokuqokwa ukuze bazame amalensi oxhumana nabo kuphela ukuze batshelwe ukuthi akufanele bawagqoke. Izici eziningana zingase zenze noma zingakwenzi ube ngumuntu omele ukhetho. I-optometrist yakho noma i-ophthalmologist izokwenza ucwaningo olunzulu lwamahlo futhi luhlole izivivinyo ezithile ukuze uthole ukuthi ngabe amalensi okuxhumana azosebenza ngani.
Ngenkathi ukugqoka amalensi okuxhumana akuyona inkinga kubantu abaningi, kunezinto ezimbalwa ezingenza kube nzima.
I-Eye Eye Syndrome
I-eye syndrome eyomile ingenye yezimo ezivame kakhulu ezithola endleleni yokugqoka lensimbi yokuxhumana. Ukuze uzizwe ukhululekile kuma-lens wokuxhumana, umuntu kudingeka abe nemali eningi yefilimu yezinyembezi ezinempilo. Izinyembezi zomuntu ziqukethe amanzi, amafutha, i-mucus, usawoti, ama-antibiotic yemvelo, amavithamini, amaminerali nezinye izinto eziningi. Njalo uma ubhala, uvuselela izinyembezi zakho futhi usule ungqimba omusha walesi sinkinga esinzima emehlweni akho. Izinyembezi zisiza ukugcina amalensi omnxeba omuncu futhi agcobe.
Uma ifilimu yezinyembezi iswele, i-lens yokuxhumana iyoba eyomile noma ubuso be-lens bungabonakaliswa emoyeni. Lokhu kuzobangela ukushintshashintsha kombono, ukukhanya okufiphala futhi kuzokwenza iso lizwe lome. Ungase uzizwe ilensi yokuxhumana esweni lakho noma uzizwe sengathi kukhona isihlabathi esisesweni lakho. Iso lakho lingase libe nomuzwa oshisayo noma ushise.
Lezi zimpawu zingenza amehlo akho akhathele kakhulu emva kwamahora ambalwa ukugqoka othintana nabo.
Yini engenziwa?
I-eye dry eye syndrome inikeza inkinga enkulu ngokugqoka amalensi okuxhumana. Kulezi ziguli ezinzima kakhulu zamehlo, ukugqoka kwe-lens akuyona into enhle. I-eye eye eyomile eye eyeyingozi ingabangela ukugqoka kwendwangu yocingo engathandeki, kepha ingabeka umuntu engozini yokwehluleka kokugula nokutheleleka okungenzeka.
Kodwa-ke, iziguli zamehlo ezinomzimba ezinomsoco zivame ukugqoka ama-lens, okungenani ingxenye yesikhathi. Ukuze uthuthukise izinkinga zamehlo ezomile ngamalensi oxhumana nabo, udokotela wakho angase azame ezinye noma zonke ezilandelayo ukuze kuthuthukiswe isimo somile esomile noma okungenani aphathe izimpawu ukuze ukugqoka kwendwangu yocingo kukhululeke kakhulu:
Ukufakela i-lens-gradient ekhethekile yamanzi, i-lens yokulahla nsuku zonke
Ukufakela i-lens yokuxhumana enamandla ebuningi be-scleral
Ukwandiswa kokusetshenziswa kwamaconsi okuthinta izinyembezi zokuthinta izinyembezi
Ukufaka ama-plugs emgodini wokudonsa izinyembezi (ukukhishwa kwesikhala)
Ukunikeza imishanguzo kadokotela njenge- Xiidra noma i-Restasis
Ukunikeza i-steroid yesidakamizwa isetshenziselwa ukusebenzisa ngaphambi kwamalensi okuxhumana afanelekile
I-blepharitis
I-blepharitis yinye isimo esivamile esinciphisa ithuba lokuphumelela ngokugqoka kwendwangu yokuxhumana. I-blepharitis ukuvuvukala kwamajwabu amehlo. Nakuba kungathinta abantu banoma yikuphi ubudala, i-blepharitis ijwayele ukuvela kaningi kubantu abanesikhumba samafutha. I-blepharitis ihlukaniswa zibe izinhlobo ezimbili: i-anterior ne-posterior.
I-Anterior Blepharitis
I-anterior blepharitis ithinta ngaphandle kwejwabu leso lapho ama-eyelashes afaka khona. I-anterior blepharitis ingenzeka njenge-seborrheic noma i-ulcerative. I-blepharitis ye-seborrheic ihlotshaniswa ne-dandruff.
Loluhlobo luvame ukudala amajwabu amehlo ukuba abomvu futhi akhiqize esikalini se-eyelashes. Kungase futhi kubangele amehlo ashise. Izikali ziqala ukuthuthukiswa ngenxa yemali engavamile kanye nehlobo lwefilimu yezinyembezi ezikhiqizwa yizigulane zamajwabu. I-blepharitis ye-ulcerative ayifani kakhulu kune-seborrheic blepharitis futhi ivame ukuqala ebuntwaneni. Kubangelwa amagciwane. I-blepharitis ye-ulcerative yindlela ekhudlwana eyenza ukuthi i-crusts enzima iqome nxazonke ze-eyelashes. Lezi zinhlayiya zivame ukubola ngesikhathi sokulala, okwenze kube nzima ukuvula amehlo ekuseni.
I-anterior blepharitis ingakwazi ukubeka umuntu engozini yokutheleleka kokutheleleka okukhulu kwamehlo ngenkathi egqoke ama-lens wokuxhumana ngoba inani lamabhaktheriya alenga eduze kwejwabu leso.
Ngaphezu kwalokho, i-crusty imfucumfucu ingadlulela kwifilimu yezinyembezi futhi ibangele ukucasuka nezinkinga zokuxhumana zensimbi. Ngaphezu kwalokho, ukuxhaphaza amajwabu amehlo ngenkathi ufaka nokususa amalensi oxhumana nabo kungabangela ukungcola okuningi ukusabalala nxazonke, okwandisa ubomvu.
I-Blepharitis yangemva
I-blepharitis yangaphambilini iqala lapho izilonda zamafutha ejwabu leso elingaphakathi zivumela ukuthi amabhaktheriya akhule. Kungenzeka ngenxa yezimo zesikhumba ezifana ne-acne rosacea ne-scalp dandruff. I-blepharitis yangaphambilini ibizwa nangokuthi i-meibomian gland disperction (MGD). Ukungasebenzi kwegciwane le-Meibomian uhlobo olujwayelekile kakhulu lwe-blepharitis. Izithobezi ze-Meibomian zisebenza ukufaka uhlobo lwamafutha. Ngamandla okugcoba, amafutha afihlelwa ezinyembezini. Le mafutha yenzelwe ukuvimbela i-film evaporation yezinyembezi. Uma lezi zinhlayiya zivutha, amafutha amaningi kakhulu noma amancane kakhulu ayafihlwa. I-blepharitis yangaphambilini iyabangela iso elomile elomile. Ukuba neso elomile kungenza ukugqoka ama-lens kunzima kakhulu.
Yini engenziwa?
Ngokuvamile kungcono ukwelapha i-blepharitis ngaphambi kokuba ulungele ama-lens wokuxhumana. Odokotela abaningi bayomisa iziqu zejwabu leso nokucindezeleka okufudumele. I-blepharitis iphathwa ngokusebenzisa imishanguzo efudumele nge-washcloth efudumele elandelwa yizikhukhula zejwabu leso. Esikhathini esidlule, odokotela bancoma ukusebenzisa imishini ye-baby nge-washcloth efudumele. Iso livaliwe futhi lihlwanyelwa ngendwangu yokugeza ngokuhamba kancane futhi emuva. I-shampoo yezingane iyanconywa ngoba ayinayo amehlo akho. Namuhla, ukukhishwa kwemikhiqizo okulungiselelwe ngokuhweba kuvame ukusebenza kangcono. Ezinye izindlela zokwelapha i-blepharitis zihlanganisa:
Amakhemikhali amafutha - Ama-fatty acids ama-Omega-3 aboniswa ukuzinzisa izigulane ze-meibomian futhi adala umphumela wokuvimbela amehlo. Kungathatha izinyanga ezingu-3-6 ngaphambi kokuba kutholakale umphumela oqondile.
Ama-antibiotics e-Topic - I-Azithromycin itholakala efomini elibizwa ngama-Azasite. Odokotela bazovame ukutshela iziguli ukuthi zisebenzise inani elincane lama-Azas kuya emkhawulweni wejwabu leso ngomunwe ngesikhathi sokulala. I-Azasite ijwayele ukuba nomthelela wokulwa nokuvuvukala kanye nokulwa namaphutha. Amafutha okubulala ama-antibiotic afana ne-erythromycin ne-bacitracin nawo anqunywe nakuba ewodwa kakhulu.
Ama-antibiotic omlomo - Ngamacala anenkani, ama-antibiotic ngomlomo angase abekwe. I-tetracycline yomlomo, i-minocycline, noma i-doxycycline enqunywe noma yikuphi kusukela ezinsukwini ezingama-30 kuya kude kakhulu ingasebenza kahle. Lokhu kuyasiza kakhulu iziguli ezinesimo esibi kakhulu se-blepharitis okuthiwa i-rosacea ye-ocular.
I-Corticosteroids - Nakuba i-steroids ingaletha imiphumela emibi engadingekile kanye nezingozi, ziphumelela kakhulu ekukhuliseni ukuvuvukala lapho ezinye izindlela zendabuko zingasebenzi. Odokotela bayobanika i-blepharitis ukulawula ukuvuvukala okwesikhashana ukunciphisa izinkinga ezingenzeka.
I-Eye Allergies Enamandla
Ukuba nesifo esinzima se- iso kungakha izinkinga ezigqoke ama-lens oxhumana nabo. Ukwehla kwesifo sofuba noma ukusabela okuvame ukuhlotshaniswa nezimbangela noma ama-antigens okwenza ukuqhuma komzimba kuqhume phezulu. I-antigen ingaba izifo ezifana ne-pollen, i-pet dander, izibungu zothuli, isikhunta, ukubhema ugwayi, ukushisa noma ukukhipha. Lapho evezwa lezi zifo, amangqamuzana emehlo akhulula i-histamines namanye amakhemikhali ngomzamo wokuvikela amehlo. Yilokho ukusabela kwamakhemikhali okubangela ukuthi imithwalo yegazi ingene ngaphakathi kwamehlo ukuvuvukala, futhi amehlo abe yinhlanzi, obomvu namanzi. Kunezinhlobo ezahlukene zemithi efana nokulandelayo:
Isikhathi sokuqeda i-conjunctivitis ye-allergenic
I-vernal keratoconjunctivitis
Atopic keratoconjunctivitis
Izinhlobo ezivame kakhulu zamehlo omzimba ziyi-conjunctivitis ye-allergen (SAC) futhi i-conjunctivitis ye-allergenic (PAC) ehlala njalo. Lezi zinhlobo zezilonda zamehlo zibangela izimpawu ezijwayelekile esizazi ngazo njengokubamba, ukubomvu, ukubhubhisa, ukuvuvukala, ukuvutha nokuvutha komcucu omhlophe.
Izifo ezinzima kakhulu ezifana ne-vernal ne-atopic keratoconjunctivitis zithwala izingozi eziningi. Nakuba kungashiwo ukuthi abantu ababhekene nalezi zinhlobo ezimbili zezifo zesohlo ezigulisayo abakwazi ukugqoka amalensi oxhumana nabo, nakanjani zihamba nazo izinkinga eziningi, njengoba ngezinye izikhathi lezi zimo zingathinta i-cornea ngezinga elibalulekile futhi zidale ngisho nokulimala.
Yini engenziwa?
Uma ukhathazekile kakhulu, ungase ube ngumuntu omele ukhetho loxhumana naye. Ukwelashwa okukodwa kwemizimba evamile ukuthatha ama-antihistamine. Ama-antihistamine asebenza izimangaliso kulabo bethu abanezifo ezibangelwa ukwelashwa, kepha umphumela owodwa olimazayo wukuthi bawomile izibungu ze-mucus, kuhlanganise nalabo abamehlo. Ngenxa yalokho, iso ngamehlo owomile nelomile lenza kube nzima ukugqoka ngempumelelo ama-lens. Kodwa-ke, namhlanje sinemithi ephumelelayo kakhulu yokulawula imithi ye-eye, iningi elisehlotsheni lamaconsi. I-steroids, i-antihistamines kanye nesisindo se-mast cell stabilizers yimithi engahle ibekwe yi-optometrist yakho noma i-ophthalmologist ukunciphisa izimpawu.
Ngenxa yokuthi izidakamizwa zingakwazi ukunamathela kuma-lens ethu wokuxhumana futhi zisebenze izifo zethu zomzimba, indlela eyodwa yokunciphisa ukulimala kwamehlo kungenxa yokuthi umgqoki kufanele afane nama-lens angathintwa nsuku zonke. Lawa malensi agqoke usuku noma ngaphansi bese elahlwa. Nsuku zonke uthola i-brand entsha, i-antigen-free yokugqoka.
I-giant papillary conjunctivitis (GPC) yisimo esithathwa ngaso sonke isikhathi njengengqondo yokungezwani komzimba kodwa ihluke kakhulu ekudleni kwemvelo. I-GPC yisimo lapho iso liba khona khona umthamo kumaprotheni anqanda izinyembezi futhi angene ebusweni be-lens yokuxhumana. Izicubu ngaphansi kwejwabu leso eliphakeme liba lukhuni futhi likhuni futhi zingabamba ama-lens akho oxhumana nabo futhi zihambisane nazo. Abantu abane-GPC bavame ukukhononda ngokucasuka nokukhishwa kwamasukisi. I-GPC ivame ukuvela kubantu asebevele begqoka amalensi oxhumana nabo. Lesi simo ngokuvamile singaphathwa ngempumelelo.
Okungavumelekile Ukubhaliswa
Odokotela bezilwane banezinhlobonhlobo eziningi zemingcele yokukhetha ukuvumelanisa oxhumana nabo ezigulini ezingaboni nje kuphela ukubhekwa komzimba noma ukubhekwa phambili, kodwa futhi njenge-astigmatism ne-presbyopia. Ama-optometrists anemikhiqizo emikhulu ayinayo. Kodwa-ke, abantu abaningi balindele ukuthi bayothola izinga elifanayo lombono ababhekana nalo ngezibuko zabo. Ama-lens oxhumana nawo anikezela uhlobo olusha lwenkululeko, kodwa kubantu abathile abanikeli ngaso sonke isikhathi ubukhali nokucaca ukuthi ama-eyeglass aphezulu aphezulu ahlinzeka.
Abantu abanokubona izinto ezibonakalayo , ukubhekwa phambili kanye nokulingana okulinganiselwe kwe-astigmatism kubonakala njalo nabathintana nabo njengoba benza ngezibuko. Kodwa-ke, inani eliphakeme le-astigmatism ngokuvamile lilukhuni ukulungisa ngamalensi okuxhumana athambile. Umbono akukaze kubonakale sengathi unomsindo njengoba kusebenza nezibuko. Nakuba sinezilingo zokuxhumana ukuze silungise izinkinga zombono oseduze ngenxa ye-presbyopia, njenge-monovision ne-multitifocals, ngokuvamile kunezinga elithile lokunciphisa noma kude noma eduze.
Yini engenziwa?
Hlala uzimisele ukuzama amalense amaningi noma ukuhlolwa kwamalensi ngenkathi ufaneleka. Umbhangqwana wokuqala ozama awuhlali ngaso sonke isikhathi. Odokotela abaningi bamehlo bazimisele ukuzama ama-lens angu-3-4 ngaphambi kokuyeka. Lalela udokotela wakho uma ephakamisa enye i-lens design ngaphandle kwama-lens avamile. Eziningi zalezi zinketho zinikeza umbono ophakeme kakhulu uma kuqhathaniswa nama-lens atholakalayo. Amanye alawa lensi afaka okulandelayo:
Igesi elinamandla elibhekene ne-lens contact
I-customtig astigmatism lenses eyenzelwe ngokwezifiso ze-SpecialEyes.
Ama-lens we-hybrid (ingxenye elula, ingxenye eqinile) ngu-Synergeyes.
Ama-lens amakhanda
I-Kerasoft lens
> Imithombo:
> Manual Clinical of Contact Lens, Bennett, Edward, Henry, Vinita, Wolters Kluwer / Lippincott Williams & Wilkins, Apr 24, 2015.