Kana varwere vachiunza nyaya yemavara ekuonana lenses, chinhu chekutanga chinouya mupfungwa kuchinja kweruvara rweziso.Kuwedzera kune zvikonzero zvekushongedza, tinted kana tinted contact lenses inogona kubatsira varwere munzira dzakati wandei, sekudzikisa kupenya kana kushandura ruvara. maonero muvanhu vane upofu hwemavara.
Zvingave zvekushongedza kana kushandiswa kwekurapa, tinted contact lens kazhinji haisi iyo OD inoreva varwere.Zvisinei, kana yakurudzirwa, inofarira varwere vakawanda.
contact lenses ruvara
Zvinokurudzira zvinogona kuitwa kubva kumativi akasiyana-siyana.Zvisinei nokuti zvinoendeswa sei, zvakakosha kuziva kuti kunyange zvazvo ma lens ane tinted angabatsira varwere, ane ngozi iyo vakawanda vasingazivi.Ngationgororei kuti mavara ekubatanidza mavara anogona sei kuchengetedza uye zvinobudirira varwere.
Misa-yakagadzirwa nemavara ekubatanidza lenses Misa-yakagadzirwa nemavara ekubatanidza ma lenses anogona kuwanikwa mu-try-on kits uye anoparadzirwa nyore muhofisi yehofisi.Kazhinji, aya mapfuti anogadzirwa nekombuta.Naizvozvo, OD haigone kushandura maparameter akadai saturation, kureruka, kana kurongeka kwemavara.
Misa-yakagadzirwa nemavara mavara ekuonana lenses anogona kuwedzera ruvara rwechisikigo cheziso remurwere kana kuchinjisa zvachose.Iwo akafanana neakawanda akapfava malenses anoshandiswa kugadzirisa refractive zvikanganiso.Nekudaro, hapana yekuwedzera nguva yekugara inodiwa kana ichienzaniswa neakawanda-inogadzirwa akajeka akapfava kubata. lenzi.
Malenzi akawanda anogadzirwa nemavara ane mavara ane spherical simba anotsiviwa zuva nezuva kana pamwedzi.Malenzi haadhure nekuda kwekugadzirwa kwakawanda, saka anogona kuunzwa nyore kuvarwere seyenguva yakazara kana yenguva yekupfeka sarudzo.
Misa-yakagadzirwa nemavara contact lenses inowanzofarirwa pamagariro evanhu.1 Nekuda kwekutsigira kwavo kwakajeka uye mavara ane mavara akakomberedza iris, anobvumira maitiro akasiyana-siyana anogona kugadzira chitarisiko chechisikigo kana chakashinga.
Semuenzaniso, murwere ane maziso ebrown anogona kusarudza brown kana hazel kuti achinje zvishoma ruvara rweiris, kana bhuruu kana girini kuti achinje chitarisiko zvakanyanya. complication rates pakati pevanopfeka lens.2
Matambudziko Kunyange zvazvo njodzi dzema lens ekuzora dziri pachena kune veOD vakaona migumisiro ye ocular, ruzhinji rwevanhu vanowanzosaziva nezvekutyisidzira kwavanoisa kuhutano hweziso.When Berenson et al.yakaongorora ruzivo rwevarwere uye kushandiswa kwecosmetic contact lenses, zvigumisiro zvakaratidza kuti varwere vakawanda vakanga vasinganzwisisi njodzi uye mirayiridzo yekushandiswa kwakakodzera.3,4 Maererano nekuongorora, mumwe muvarwere vana vakataura kuti vakamboshandisa lenses yekushongedza kare, uye vazhinji vakawana lenzi. kubva kunzvimbo dzisina kutenderwa.
Paakabvunzwa nezveruzivo rwekuonana lens, zvakabuda zvakaratidza kuti varwere vazhinji vaisaziva zvakakodzera kupfeka protocol.3 Varwere vazhinji havazivi kuti hazvisi pamutemo kutengesa maconta lens pamusoro pekaunda pasina kunyorerwa nyika yose.Havazivewo kuti kusangana. lenzi haisi panacea, iyo tupukanana inogona kubatika kune lenzi, uye kuti "anime" lenzi haisi FDA-yakatenderwa.3
RELATED: Poll Results: Chii Chinonyanya Kusagutsikana neContact Lens Wear?Pavarwere vakaongororwa, 62.3% vakati havana kumbodzidziswa kuchenesa macontact lens.3
Kunyange isu tingave tichiziva zvimwe zvezviwanikwa izvi, zvakakosha kuti tiongorore kuti marenzi ekuzora anowedzera sei mukana wezviitiko zvakashata (AEs) zvichienzaniswa neakajeka kuonana lenzi.
AEs Color contact lenses ine ngozi yakawanda yezviitiko zvinotapukira uye zvinoputika nekuda kwekuumbwa kwavo.Kuongorora kwechangobva kuitika kwakaongorora ma-cosmetic contact lenses akasiyana-siyana kuti aone nzvimbo ye pigment mu lens layers.5 Yakawana kuti yakawanda yeakaongororwa lenses ane zvizhinji zve pigment mukati me 0.4 mm yepasi.Nyika zhinji hadzidzore kuwanda kwependi dzakavharirwa, asi nzvimbo inogona kukanganisa kuchengeteka uye kunyaradza.5
Imwewo wongororo yakawana kuti malenzi mazhinji akatadza bvunzo, zvichiita kuti pigment ine ruvara ibude.6 Pukuta bvunzo Shandisa donje swab kupukuta zvinyoro kumberi nekumashure kwemasekonzi makumi maviri, wobva wayera huwandu. ye pigment detachment.
Related: Malenzi ane OCT-yakatemerwa scleral-lens space inotadza swabbing bvunzo yakaratidza yakakwirira Pseudomonas aeruginosa adhesion, izvo zvakaguma nekuwedzera maAEs uye AEs inotyisa yekuona.Idzi pigments dzakawanikwa dziine zvinhu zvine chepfu kune ocular pamusoro tishu.7
Kuvapo kwepigment chero ipi zvayo kunogona kukonzera AEs.Lau et al vakawana kuti lenzi dzine pigment pamusoro pe lens surface (mberi kana kumashure) dzaive dzakanyanya kukwirira friction values munzvimbo dzine mavara kupfuura munzvimbo dzakajeka.8 Zvidzidzo zvakagumisa kuti cosmetic lenses ane pigment akafumuka ane zvishoma kuenderana huso, zvichiita kuti lubricity uye kuwedzera pamusoro roughness.Lubricity uye roughness zvinotamba mabasa anokosha pakuchengetedza firimu remisodzi kugadzikana.Nekuda kweizvi, kukanganisa kunogona kutungamirira kune kusagadzikana kwekuona uye kuderedza kuonana kwema lens kunyaradza.
Acanthamoeba keratitis inogona kuitika nemarudzi ose e-contact lenses, njodzi yatinokurukura nevose vatsva vanopfeka.Kudzidzisa varwere kuti vadzivise kushandiswa kwemvura ine soft contact lenses chinhu chinokosha chekuisa lens uye kubvisa kudzidziswa.Multipurpose uye hydrogen peroxide solutions inogona kubatsira kuderedza maAE ane chokuita nehutachiona, asi tsvakurudzo yemazuva ano yakawana kuti kuumbwa kwe lens kunokanganisa mukana weAcanthamoeba inonamatira kune lens.9
Related: Ipa Toric Orthokeratology Lenses Scanning Electron Microscopy Imaging Uchishandisa SEM mifananidzo, Lee et al.akawana kuti achromatic nzvimbo dze cosmetic contact lenses dzaive dzakapfava uye dzakapfava kupfuura nzvimbo dzine mavara.
contact lenses ruvara
Vakaonawo kuti nhamba yepamusoro yeAcanthamoeba trophozoites yakabatanidzwa kune pigmented rough nzvimbo zvichienzaniswa nenzvimbo dzisina ruvara, dzakapfava.
Sezvo kudiwa kwema cosmetic contact lens kunowedzera, iyi injodzi inofanirwa kukurukurwa nevarwere vanopfeka tinted lenses.
Nezvinhu zvitsva zvelens, zvakadai sesilicone hydrogels, ma-lens akawanda anogadzirwa nemagetsi anopa kuwedzera kweokisijeni kupfuura zvakakodzera.Kutapurirana kweokisijeni kunoyerwa kuburikidza nepakati pe optic zone ye lens, nepo peripheral oxygen transmission inonetsa.
Ongororo yakaitwa neGalas neCopper yakashandisa lenses dzakakosha dzakagadzirwa nepigments chete kuburikidza nepakati optical zone kuyera kupenya kweokisijeni kuburikidza nemavara.10 Vakaona kuti pigment haina kuverengera kukanganisa oxygen permeability, zvichiratidza kuti haideredze kana kushandura lens. chengetedzo.RELATED: Nyanzvi Inopa Zvakavanzika Kubata Lens Dzidzira Kubudirira
KUFUNGWA Pasinei nekukanganisa kwema-mass-produced contact lenses, kushandiswa kwavo kwave kuri kuwedzera zvishoma nezvishoma.Chinyorwa ichi chine chinangwa chekubatsira varapi kuti vanzwisise kuti nei dzidzo iri chikamu chakakosha chekupfeka mavara ekubatanidza lenses.Ingave yekushandiswa kwezvizoro kana kurapa, dzidzo yevarwere uye ruzivo rwengozi inogona batsira kudzikisira zviitiko zvakashata uye kuvandudza chengetedzo yetinted contact lenses.
Nguva yekutumira: Jun-04-2022
