Indlela yokunyamekela iilensi contact ezitofotofo na? Kuthethwa ukuba ukunakekela lens

Abantu abanxibe lens, siyazi ukuba ngokukhawuleza kakhulu zibe mdaka. Oku kwenzeka ngenxa yokuba phezu iliso uphuhliso eziliqela iintsholongwane kunye zosulelo. Kodwa ungcoliseko unako ukungena lens iliso, hayi nje kuphela, kodwa kokusingqongileyo. Ngoko ke, qiniseka ukuba ukwazi indlela anyamekele lenses contact ethambileyo.

indawo yokubeka

Asinguye wonke umntu uyazi indlela ukunika imveliso ubuncwane ezifana unakekelwa efanelekileyo. lens contact Soft kufuneka inkathalo efanelekileyo, okanye laphulwe iimpawu zabo yoqobo kunye neempawu. Enye yezona ndlela ixhaphakileyo ukugcina izicwangciso zabo nokusetyenziswa kwezisombululo olulungiselelwe ngokukodwa ukulungiselela le njongo. Kodwa ke kufuneka kwakhona ukukhetha ilungelo. Bathi inezinto ukuba ziyahambelana okusingqongileyo ocular. Ngokuyimfuneko zongezwe kwisigcinakaliso isisombululo, okanye nokuba yonakele. Ngaphezu koko, xa ndzo eliphezulu kwisigcinakaliso eziphilayo kwi lenses uya kufa. Kodwa lindela ukuba ukusetyenziswa ngokugqithisileyo kubo inokuba yingozi ukuba inwebu.

iinkqubo kwamagciwane

Ukuba unomdla kwindlela yokunyamekela lenses, esetyenziselwa yona le njongo njengoko izisombululo ezizodwa, kunye nenkqubo kweentsholongwane. Zahlula ngokwamaqela amathathu: thermal, kunye imichiza peroxide.

magciwane thermal luphawulwa elula nokusebenza kwalo. Ngalo ungenza ngokukhawuleza ukubulala iintsholongwane kunye nosuleleko, ukuba ulandele imiyalelo ngexesha elifanayo. Kodwa kufuneka kukhunjulwa ukuba emva kwale nkqubo, ilens basenokuba olumbhatshileyo, Ukutshintsha iimpahla zazo ngokukhawuleza zimbi. Ngoko ke, le nkqubo isebenza kuphela ukuba iilensi eziqulathe ipesenti esezantsi amanzi.

Kwimeko ye yehidrojeni (3%) lasebenza ukuba kweentsholongwane peroxide ngexesha lomsebenzi. Le nkqubo buphele, ngoko zonke iintsholongwane ziyafa. Kodwa peroxide magciwane kwakhona athandwa kakhulu kuba kulula ukulwenza kwaye lula. Kulo mzekelo, akukho kusebenza kuzo zonke lenses. Ngokukodwa, kufuneka icocwe kwi isisombululo peroxide umbala MCL.

Xa isicelo izinto kweentsholongwane imichiza kusetyenziswa ngexesha izisombululo zolondolozo. Kodwa ke kule meko izinga kancinane. Kweentsholongwane uya kuba yimpumelelo ngakumbi ukuba izisombululo ukusetyenziswa nokuqwalaselwa eziphakamileyo izinto. Kodwa, ukuba la masuntswana bangene amehlo, oko kubangele ubuhlungu. Ezi lens kufuneka sokuvalwa isisombululo ixesha elithile (kukhethwa ubusuku). Ukuba ngaba beme lonke ixesha kwi isicombululo, ngoko ke umphezulu zihlale ezinye iintsholongwane.

Kutheni sifuna isicombululo ekhethekileyo?

Ngokuqhelekileyo, abantu abangamaziyo ukunyamekela njani lenses ethambileyo, uyazibuza ukuba kutheni kufuneka izisombululo kweentsholongwane? Enyanisweni, xa ushiya ilens emoyeni, iya koma ngokukhawuleza, uya zaqina elukhuni. Ngoko ke, xa ukuchukumisa encinane iza kwaphuka. Flexible kwaye imperceptible emehlweni yenza amanzi eziqulathwe ngaphakathi.

Kutheni ukusebenzisa amanzi eqhelekileyo?

Lidla abo banomdla koko kufuneka ndinyanyekelwe lens contact ethambileyo, cinga ngento isenokuba ukushiya iilensi amanzi etephini. Kodwa into engalunganga. Nkqu nakumazwe ngamanzi acocekileyo musa. Xa amagciwane amanzi yendalo ethi qhagamshelana ngeliso kungabangela ukudumba kwenwebu yamehlo, ukuvela izilonda ezincinane kumphezulu wayo. Amanzi neenyembezi kufuneka sisincoko ezahlukeneyo, ngoko, zingavela iintlungu emehlweni. Bahlekisa oku kuyimfuneko, kuba unako nokuba ukuhlala ngokupheleleyo ngaphandle emehlweni.

izisombululo saline

Abantu abaninzi bakholelwa ukuba ukusetyenziswa saline ngenxa yokugcina lens - yinto elidlulileyo. Kodwa abanye kunjalo musa ukulibala le ndlela. Thatha 0.9% kumxube wetyuwa apho lens ezo aphekwa amaxesha 2-3 ngeveki. Nangona kunjalo, le ndlela iye ezinye kuneengxaki. Ngapha koko, ilens uqokelela izinto ezingcolisa ekufuneka isuswe yonke imihla, yaye ukuba isisombululo ebilisiweyo ukuze nje ezimbalwa ngeveki, iintsholongwane kunye neentsholongwane ukuba kususwe ngokupheleleyo. Susa elimsulwa kufuneka imihla enxibe lenses bakhuselekile.

Ukukhethwa izisombululo

Ukuba awazi ukuba yintoni na le unonophelo lens contact ethambileyo, yaye uzithenge okwesihlandlo sokuqala, kuya kuba lula ukuba ukhethe kubo. Kufuneka ubuncinane ukuba bakhokelwe ngeempawu olusesikweni (ngokufumaneka zatifiketi umthengisi, ISO eYurophu, njalo njalo). Ukuba banxibe lenses, kufuneka udibane nogqirha wakho into ke endonyula izibulali. Ngenxa yokuba ezinye izinto kunokubangela mizwa ekhathazayo emehlweni, iindlela ezinjalo ngoko kufuneka kufakwe elinye. Xa usebenzisa lens onombala kunjalo akunakwenzeka ukuba bathenge izisombululo, ezibandakanya peroxide. ukusebenzisa kwabo kuya kukhokelela kombala lens. Ngelo xesha, loo izisombululo zezona zona lenses abicah hydrogel. Ukongeza, MCL processing ayikhuthazwa ukusebenzisa izisombululo eziyilelwe lens nzima, njengoko oku kunokukhokelela deformation zabo.

Izixhobo unyango

Engazi ukuba indlela yokukhathalela lenses ethambileyo, kuya kuba kuhle ukuba udibane yincutshe. Ugqirha uya kukunceda ukhethe indlela ifanelekileyo ukuze lens namehlo akho. Iimveliso zokucoca bohlulwa babe ngamaqela ezininzi:

• Surfactants. Ngoncedo lwabo osusa amanqatha, iiproteins kunye calcium neetyuwa ze-lens (MCL). La machiza zithathwa ekhuselekileyo ngokupheleleyo iliso yabantu. Xa isisombululo ngamanzi ezizodwa zihlanjiwe ngaphandle kobunzima okukhulu. Le izinto benza ngempumelelo, kufuneka ukuba zibekwe phantsi kweemeko ezizodwa, apho ngokuqhelekileyo elivumelana ubume ikhemikhali isisombululo;
• abacoci enzymatic ukuba ususe imali phezu lens, yona ekugqibeleni phula phezulu amasuntswana emihle;
• arhente Oxidizing, nto leyo kungoku nje ngokubanzi zisetyenziswa kuba kunokuba yingozi iliso kunye MCL.

izisombululo ezininzi

Ukongeza, kukho izisombululo ezikuvumela ukudibanisa izigaba ezininzi ukukhathalela MCL. Ngelo xesha linye asetyenziswa nokucoca, ngamanzi, iintsholongwane kunye nokugcinwa MCL. Ziquka izakhi ukuba nempembelelo ezahlukileyo lens. Ukongeza, umntu ngamnye ungakhetha isicombululo ukuze zilungele iimfuno zakho kunye nezincomo kagqirha. Ukusebenzisa izisombululo ezinjalo, kuyimfuneko ukulandela imiyalelo.

Ukongeza, ubuncinane kanye ngeveki, ilens kufuneka ziphathwe abacoci enzyme. Kwakhona, ukuba unomdla kwindlela yokunyamekela lenses ethambileyo, kufuneka luthathele ingqalelo ukuba esenza MCL kubonakala ungcoliseko. Oku kukhokelela deformation kwimimandla ethile ezikhoyo phezu zinamehlo oko kwenzeka ngenxa amasuntswana ngumphunga. Ngenxa yoko, kukho utshintsho olungephi ubukhulu bayo. Ngoko ke, ukuba kulondolozwe Ubukhulu lens kuyimfuneko ukusebenzisa amachaphaza ezikhethekileyo ukuba kweentlobo ezimbini. Ukuchama kuyimfuneko ukwandisa isixa iinyembezi, kodwa kugcina isiphumo wabo ixesha elide. amathontsi yokuqaba zisetyenziselwa ukukhuhlana phakathi lens kanye inwebu. Basebenza iyure yonke.

amacebo aluncedo

Kukho imithetho osisiseko lens ethambileyo. Zezi zilandelayo:

• lens nganye kufuneka sikhatshwe kususwa zokucoca yakhe, ukuhlamba kunye kweentsholongwane.
• Swi nga ha endleka iilensi emlonyeni wakho uze usebenzise namathe ekucoceni kubo. Oku kunokukhokelela kwinwebu emehlweni, njengoko kwi amathe enzayim ezimbi kuye.
• Gcina MCL kufuneka ityala ezizodwa, apho Pre-ezaliswe nesisombululo ecacileyo.
• Isisombululo akunjalo ingasetyenziswa izihlandlo eziliqela ukususela ilens asinakukwazi ukulandisa iintsholongwane eyingozi kokusingqongileyo.
• Izandla kufuneka athathe lens omnye kuphela, ekubeni ilens ayikhuthazwa okuxuba kwezinye iindawo.
• Imigaqo ngononophelo lenses ezithambileyo zifuna ukusetyenziswa iinkqubo ezifanayo ononophelo. Kucetyiswa ukuba usebenzise kuphela lowo isincomo zamehlo yakho.
• MCL kufuneka kufakwe ngamathuba athile, ngokungqinelana nethayimthebhile ebesiqulunqwe yi-gqirha khona.
• Awukwazi unxibe iilensi emva make-up. Ukongeza, kungcono uye zokuthambisa ezenziwe ngamanzi-based.
• Awukwazi nayo batshizwe zabo phezu kwezinye izinto ezimanzi.
• Isisombululo akufuneki zisetyenziswe ngaphezulu kweenyanga ezi-6 emva kokuvula i-ebhotileni.
• Kuyimfuneko ukuba ukulandela ngokungqongqo iingcebiso zamehlo.
• Kwisingxobo engamanzi ugalele isixa esaneleyo isicombululo. Siyibhinqe kufuneka ivalwe ngexesha iilensi ane kuyo. Ndihlambe kufanele kube yonke imihla, yaye endaweni malunga rhoqo emva kweenyanga ezi-3. Ukuba iintanda kumphezulu afunyanwa, imikrwelo, kungcono ukuba ulilahle kude. Kungenjalo kwamagciwane ukuze kuphumelele.

reviews

Abaninzi indawo iglasi kwi lenses contact ethambileyo. Care kunye nohlolo lwendawo zokugcina, nomdla abaninzi. Abantu bathi ukuba kulula kakhulu lens engqongqo, kuba phantse uziva emehlweni. Ukuba ngamathontsi ezikhethekileyo ngaphezulu kwaye usebenzise ukuba kunciphisa ukukhuhlana phakathi SLC kunye inwebu, ukuze nokuba ulibale ngokuba kukho ixesha iliso lens. Nangona kunjalo, ukuthatha unonophelo kubo kancinci nzima ngenxa yokuba bathambile ngakumbi. Ukuba ubasuse ufuna yonke imihla, asikwazi kusala emoyeni evulekileyo, kungenjalo ngokukhawuleza zimbi. Kodwa xa ulandela yonke imithetho ukuzinakekela, baya kukhonza ixesha yabo kwezo ngaphandle ebangela ubuhlungu kuhlolwe.