Optometrists (ODs) vanodyara mukupa specialty contact lens vanogona kupihwa mubairo munzira dzakati wandei.
Kutanga, kutarisirwa kunotarirwa kunoitwa nevarwere kunowanzovaita kuti vadzoke kwenguva refu vatengi.Izvi imhaka yokuti, muzviitiko zvakawanda, zviratidzo zvaionekwa sezvisingabviri zvinogoneka.
Chechipiri, varwere ve-lens vane mikana yekuvandudza hukama hwenguva refu nemahofisi anorayira ma lens avo emhando nekuda kwekuwedzera kushanya kune bvunzo uye kutarisirwa kwekutevera.Izvi zvinoshandura mukubudirira kweunyanzvi kune vashandi uye mahofisi.
Nei Professional Lenses Akasiyana Chii chinoita kuti ma lenses ehunyanzvi akasarudzika ndeye niche community yavanogadzira.Yakanyatsogadzirirwa varwere vane dambudziko remaziso, senge cornea mamiriro, nyanzvi yekuona lenses inogona kutsigira zvizere mhedzisiro yekurapa inodiwa uko kwakajairika kuonana lenses isingakwani.
Professional contact lenses isarudzo huru pakutsvaga magirazi emaziso akagadzirirwa kune varwere vane nguva dzose uye vasina kukwana corneas.Vanogona kuvandudza kunyaradzwa kwekuona uye kushanda kwekuona kune varwere vane dambudziko rekuwana lens yakarurama.
Pane zvisingaverengeki zvemhando yelenses inogona kubatsira kurapa akasiyana corneal mamiriro.Izvi zvinosanganisira progressive myopia, hyperopia, massive astigmatism, keratoconus, hyaline marginal degeneration, post corneal surgery senge corneal transplantation, laser-assisted in situ keratomileusis (LASIK) dilation. , mavanga ecorneal, ziso rakaoma, uye kusanzwa zvakanaka nekuona lens kunopfeka vanhu. Related: Edza Toric Orthokeratology Lenses
Zvekare, kune akasiyana siyana enyanzvi dzekuona lenzi dzekusarudza kubva.Idzi dzinosanganisira soft and rigid gas permeable (RGP) contact lenses (kusanganisira orthokeratology), piggyback contact lenses, scleral contact lenses, corneal-scleral lenses, mini-scleral lenses, hybrid. contact lens uye prosthetic contact lens.
Scleral lenses, RGP lenses, hybrid lenses, soft prosthetic contact lenses, uye cornea molds ndiwo marudzi 5 anonyanya kushandiswa.Kubudirira kwavo kunobudirira kunotsigira kubatanidzwa kwakakura kwema lenzi ose eunyanzvi.
Iyo dhayamita yeiyo scleral contact lens yakakura kupfuura iyo yechinyakare yekusangana lenzi, ichishandisa yakazara yayo yakakwira oksijeni permeability zvinhu uye kuwedzera kunyaradza.
Uyezve, panzvimbo yekuiswa zvakananga pamusoro peziso, scleral contact lens inoiswa pane sclera uye inowanzoita arch pamusoro pe cornea;izvi zvinosiya dura remisodzi pakati pe lens ne cornea.
Iyo sagittal kureba, kana nzvimbo yepakati, inogadzirwa nejira remvura yemisodzi inobatwa pasi pe lens uye inobatsira kuderedza corneal aberrations, kupa varwere mhedzisiro yekuona zvirinani.
Mascleral lenzi anofanirwa kuzadzwa nemushonga wesaline usina kuchengetedzwa kuti usaite mabubbles emhepo anoumba mundiro yelens.Anofanira kubva apinzwa pamberi peziso.Related: Determination of Scleral Lens Space Uchishandisa OCT.
Saline solution (pamwe neapo neapo kuwedzera kwedonhwe reanouraya artificial misodzi kana autologous serum madonhwe) inoshanda sechigadziro chinoramba chiripo chemufirimu wemisodzi, ichichengeta kumberi kweziso kuine hydrated uye kunodyiswa kwenguva yakareba, kunatsiridza zviratidzo zvemaziso akaoma uye kutsiva corneas dzisina kujairika. ine nzvimbo yakatsetseka .Izvi zvinowanzogadzirisa matambudziko ekuona anokonzerwa nekoneal irregularities.
Mascleral lenzi anogadzirirwa murwere wega wega.Nekuda kweizvozvo, kuapfeka kunoda hunyanzvi, nguva yakawanda yechigaro, uye kushanya kakawanda muhofisi pane echinyakare akapfava kana madiki RGP lenzi.
Midziyo yekufungidzira uye michina yekuyeresa yemagetsi inoshandiswa ne scleral lens panguva yekutanga yakakodzera uye inotevera kushanya kwekutevera kuti uve nechokwadi chakakodzera.Izvi zvishandiso kazhinji hazvidiwi pakupfeka zvinyoro zvinyoro.
Ukuru hwe scleral lens hunoenderana nekuoma kweiyo corneal condition.Kazhinji ne keratoconus, lens inowanzochinja kakawanda nekuda kwekuwedzera kwechidimbu, uye inofamba zvakanyanya nekubwaira, zvichiita kuti maziso asagadzikana.
Mamiriro epamusoro uye akaomarara, akadai seyepakati-kusvika-yakaoma keratoconus uye chirwere chemaziso, chingada scleral lenses ine yakakura kupfuura yepakati dhayamita kuti ive nechokwadi chekuvhara kwakakwana uye kunyorovesa iyo yose yemaziso inobatwa neiyo irregular cornea.Related: Scleral Lens Wear uye Ocular Surface Zvirwere
Keratoconus inotarisa kufambira mberi nokukurumidza kusvika kumatanho akaoma uye inowanzosateerera kune mamwe marapirwo.Kune varwere vane chirwere ichi, kuchengetedza hutano hwemaziso pamwe chete nekuona kwakanaka uye kunyaradza ndicho chinhu chinonyanya kukosha.
colored contact lenses ye astigmatism
Kubatsira kwema scleral lenses ndeyekuti haadonhe nekufamba kwemaziso nekukurumidza, uye chero bedzi murwere achiita hutsanana hwemaziso uye kuchengetedza lens, zvimedu zvakadai seguruva nemarara hazviwanzopinda pasi pe lens.
RGP lenses dzave dziripo kwenguva yakareba uye dzaishandiswa kuva sarudzo huru isati yasanganiswa uye scleral.RGP lenses inopa maonero akajeka kupfuura akapfava uye silicone hydrogel lenses nekuda kwepamusoro optical performance, shoma lens kukotama uye kuderedzwa dhipoziti adhesion.
MaGP lenzi akanakira kutsigira varwere vane tortuous corneas kana blurred magirazi, pamwe nevaya vasingaone zvakanaka vane manyoro matete.
Pamusoro pekugadzirisa kwekuona, RGP lenses inopa orthokeratology kururamisa, iyo inogadzirisa pamusoro peiyo cornea kuti inonoke kufambira mberi kwemyopia.
Vanokwanisa kugadzirisa kuona kwekanguva pasina kudiwa kwemalenzi emasikati kana magirazi, zvichiita kuti zvive zvakanakira vana nevanhu vanotamba mitambo kana basa zvinoita kuti zviome kupfeka malensi anogadzirisa masikati. kutanga kwa2022
Masoft prosthetic contact lenses anopa cosmetic, therapeutic, and psychological benefits kuvarwere, kunyanya avo vane scarred corneas, irregular irises, uye maziso asina kumira zvakanaka.Izvi zvinogona kukonzerwa nekukuvara, glaucoma, utachiona, matambudziko ekuvhiya, uye congenital anomalies.
Mukuwedzera pakuvandudza chitarisiko chekuzora, lenzi dzinogona kubatsira kuvhara chiedza uye kuderedza kukanganiswa kwekuona kunogona kutungamirira kumarwadzo, photophobia, diplopia, uye kusagadzikana.
Malenzi anowanikwa mumhando dzakasiyana-siyana senge tinting yakajeka, magadzirirwo akajeka akajeka, uye magadzirirwo akapendwa nemaoko, zvinoenderana nemarapirwo uye zvinodiwa zvekuzora.ZVANOFANIRA: Mapfekero eScleral Lenses Unevimbo uye Nehungwaru.
Soft prosthetic contact lenses inogona kubatsira kurerutsa kushushikana mupfungwa uku uchipa kurapwa kwevarwere vane matambudziko akawanda emaziso.
Nekuisa tsika yakapfava prosthetic yekubata lens kumurwere, OD inogona kupa mhinduro yekunyaradza murwere.
Hybrid contact lenses inopa hupenyu hurefu, kusimba, uye maonero akajeka eRGP lenses ane yakagadzikana, inopfekeka dhizaini yemalenzi akapfava.Vakawana mhedzisiro iyi neGP centre yakakomberedzwa neyakapfava yekunze lens zvinhu.
colored contact lenses ye astigmatism
Siketi yakapfava yakatenderedza lenzi yakasanganiswa inovhara kubatana pakati pezvinhu zvakapfava uye zvinhu zveGP, zvichiita kuti pave nemuchina wepombi yekubvarura uye kuburitsa okisijeni zuva rese.
Yakanaka murwere profiles anosanganisira ayo anogara ari corneal astigmatism uye kunetseka pamusoro pekuchinja kwekuona mukutenderera kwelenzi kana malenzi akapfava uye asina kujairika cornea contours.
Kune idzo tsika dziri kunetsekana kuwana magiro mune dzimwe nzira dzemalenzi, Hybrid isarudzo yakanaka uye yakakosha.ZVAKAENDA: Podcast: Bata Lens Wear Isarudzo Ine Utano Kune Vana
Kana zvasvika kune maziso ane mamwe ma nuances, ill-fitting contact lenses inogona kuwedzera njodzi yezvinetso zvakadai se corneal scarring.Kana diagnostic uye empirical fitting ikakundikana mumamiriro ezvinhu akaoma, ophthalmic prostheses inogona kugadzira tsika-fit scleral lenses.Vanoita izvi kuburikidza kuunganidza zvinoonekwa zve cornea, chirongwa chinotora zvisingapfuure maminetsi maviri, uye shandisa izvi kugadzira malenzi akasarudzika anoenderana nemakona chaiwo eziso rega rega.Malenzi anogadzirwa nemaitiro aya anopa anopfeka kugadzikana kukuru nekunyaradza.
Iyo yakakura nharaunda yekuvhara uye kusimba kweiyo cornea mold inovandudza kunyaradza uye kuona, uye yakagadzikana kupfuura echinyakare, madiki GP kana mahybrid lens.
Aya special scleral lenses anogona kugadzirwa kuti agadzirise corneal steepness uye zvisizvo zvinowanikwa muectatic conditions.RELATED: Multifocal lenses for presbyopia with previous corneal surgery.
Mhedziso Specialty contact lenses dzakave nechanza chikuru paoptometry.Kuziva uye kugovera mabhenefiti awo rwendo urwo maOD mazhinji asina kunyatsoongorora.
Zvisinei, kana nguva yashandiswa kugadzirisa dambudziko rekunyatsoona, kufanira uye kunaka kwekutarisira, kugutsikana kwemurwere kunowedzera.Kutaura zvazviri, vazhinji vanopfeka lens vane ruzivo vanogutsikana nemaitiro avo emagetsi zvokuti vanozeza kudzokera kune dzimwe nzira.
Nekuda kweizvozvo, maOD ari kuvashandira anonakidzwa nevarwere vakavimbika vasingawanzo tenga kumwe kunhu. Tarisa More Contact Lens Coverage
Nguva yekutumira: Feb-28-2022
