Kuchinja kune Presbyopia
Kubatana kwemajekiseni inzira yakakwana kune avo vedu vanopfuura makumi mana emakore uye vachitarisana nepfungwa yakajeka. Pakazosvika makore makumi mana, maziso edu anotanga kukura presbyopia . Presbyopia inzvimbo iyo maziso anotadza kukwanisa kuisa pfungwa pazvinhu zviri pedo. Iyi ndiyo nguva apo vanhu vazhinji vanotanga kutengesa kumativi ekuverenga magirazi . Vamwe vanosarudza kupfeka zvidhi , zvinyorwa, kana kuti kwete-line inoramba ichiwedzera magirazi emaziso.
Zvinotevera ndezvishomanana zvekutsvaga lens zvingasarudzwa kune vanhu vanopfuura makumi mana.
Shandisa Lenzi uye Kuverenga Magirazi
Kana iwe ukapfeka majekisi ekuona maonero, kurema magirasi anogona kuiswa pamusana pekutarisa pedyo nezvinhu uye kuverenga. Zvisinei, unogona kuwana zvakaoma kusvika kune magirazi ako ekuverenga uchipfekedza mavarai ako. Mushure mezvose, iwe unenge uchipfeka mairi lenzi panzvimbo yekutanga nokuti haunakidzwi nokupfeka magirazi emaziso.
Ichi chisarudzo chingaita sechinhu chinonakidza kwauri, asi ichi kazhinji ndiyo nzira yakanakisisa yekuwana maonero akajeka ari kure, mukati kana pedo. Iro-lens inosungirirwa inogadzirirwa kururamisa kure kure nekuona zvakakwana. Zvadaro maona-maonero ekuputika, magirasi-marefu-mashizha kana mashoma-maonero pedyo nekuverenga magirazi anosungirwa pane zvinhu zviri pedyo.
- PROS: Kunyange zvazvo isiri iyo nzira yakanakisisa yekururamisa maonero, nzira iyi inounza zvakananga, zvakakosha kuona zvese basa. Vanhu vane zvimwe zviitiko zvinoda maonero chaiwo zvinowanzoita zviri nani kupfeka nzira iyi yekururamisa maonero. Vatambi vanofarira kufarira nzira iyi kuti vawedzere kurema maonero avo.
- CONS: Unofanira kuvhara uye kubvisa magirazi ako ekuverenga nguva dzose kana uchida kuona zviri kure. Chaizvoizvo, unofanira kugara uine magirazi ako ekuverenga asingakwanisi.
Monovision Contact Lenses
Mu monovision , rimwe lens rejeri rinopfekedzwa nekuona kure uye rimwe rinopfekedzwa pedyo. Rutivi rwemagetsi lens rinowanzopfekedzwa muziso rinotarisa .
Isu tose tine ziso rinotyisa iro isu tinonyanya kushandisa kana tichitarisa kumativi zvinhu. Somugumisiro, kushamwaridzana kwekambani inotarisa muziso iri risingaoneki hakuratiki kuisa dambudziko mukugadzirisa nenzira iyi yekururamisa maonero .
- PROS: Kunyange zvazvo zvisinganzwisisiki zvinoshamisa, vazhinji vanoona monovisheni vanobata lens varwere vanogadzirisa nokukurumidza kupfuura kune dzimwe mhando dze presbyopic contact lenses. Pedyo chiratidzo chinoratidzika sechinyatsonzwisisika ne monovision nokuti ziso rimwe nerimwe rakakodzana nekono rimwe rono rekuona simba. Uyezve, kana kuwana mhepo yakagadzikana yakagadzikana iri nyore kwauri, chiremba wako ane chisarudzo chisingaverengeki chemajeri, mazamu uye maumbirwo nokuti monovision ishanduko yekugadzirisa simba, panzvimbo pekutsvaga kwekutsvaga lens .
- CONS: Vamwe vanhu vanocherechedza zvishoma nezvishoma kana kurega kutyaira, kunyanya usiku, pamwe ne monovision. Kuzama kwekutarisa kwakadererawo zvishoma pavanenge vakapfeka monovision, iyo inogona kuva dambudziko guru kune vanhu vanofarira mitambo, segorofu uye tennis. Uyezve, vashandi vezvikwata kana vanofambisa zvigaro havagone kupfeka monovision sezvo zvingaita kuti imwe nzvimbo yechiratidzo iite zvishoma.
Bifocal kana Multifocal Contact Lenses
Bifocal kana multifocal contact lens rinoshandisa kuumba maonero ezvisikwa zvepanyama, sezvo maziso ose ari kururamiswa kwemaonero ari kure uye pamwe nekuswedera pedyo.
Multifocal lenses inowanika mumhando dzakasiyana-siyana, kusanganisira gasi yakaoma inogadziriswa , yakasvibiswa zvakaoma / yakanyorova, uye inowanzoshamwaridzana ne-lenses. Zvichienderana nemuti, ivo vose vanoshanda zvishoma zvakasiyana.
Mimwe yemakristoni akaoma akaumbwa zvikuru seganda rakagadzika-chepamusoro-bundu reyeshi uye rinotenderera paziso rako. Paunotarisa pasi kuti uverenge, dzinofamba zvishoma kuitira kuti mutsara wako uonekwe nechemberi. Dzimwe lenzi dzinoonekwa se aspheric lens design uye hazviwanzofambi-mberi paziso. Simba reAspheric rinowedzera zvishoma nezvishoma uye rinowedzera simba kubva kubva pakati kusvika kune imwe nzvimbo ye lens.
Mamwe emarangire aya anoswedera pedyo nekuona simba pakati peganda uye simba rekumhara mumativi ose, kana zvimwewo. Aya majekensi anobata basa rakawanda se-no-line inofambira mberi inoratidzika lens uye dzimwe nguva inobva paukuru hwevadzidzi vako.
Dzimwe lenzi dzingave dzakanyatsogadzirwa. Zvigadzirwa zvakakosha zvine zvindori zvinoshandiswa zvekufamba uye pedyo nemasimba. Izvi zvakangofanana nokuve nemakiro maviri, imwe nzvimbo uye imwe pedyo, inoputika pamwechete.
Zvinotora nguva kuti maziso ako agadziriswe kumagetsi ekubatana nawo. Mushure mechinguva chiduku, maziso ako achadzidza kusiyanisa pakati pemitemo yakasiyana, uye achatanga kushandisa mishonga yakakodzera yemuganhu wakakodzera.
- PROS: Multifocal lenses inoderedza kuderera kwekunzwisisa, kana zvachose. Kana yakakwanisa kubudirira, haufaniri kupfeka magirazi emaziso pamusoro pekutora lenzi yako kwezvinhu zvakawanda zvezuva nezuva.
- CONS: Vamwe varwere vakawanda vanowanzofungira kunyunyuta kwemaonero apo vachiita mamwe mabasa. Kana kurema kwemaonero kwakanyatsojeka, saka pedyo pedyo pane dzimwe nguva zvinotambura. Kana pedo zviratidzo zviri pachena, kurema kana kuratidzwa kwemukati kunogona kunge kusingatarisirwi. Vanachiremba vemaziso vakawanda vanobvunzurudza varwere vavo kuti vaone basa ripi rinokosha uye rinonyanya kukosha kwavari uye chinangwa chekupa zviratidzo zviri nani zvebasa iro. Vamwe vanhu vanonyunyutira mifananidzo yemweya kana kubatanidzwa kwezvifananidzo pane dzimwe nguva, kazhinji pavanenge vaine maiti multifocal kwekutanga. Kunyangwe ichi ichi chikamu chekugadzirisa nzira, inoshungurudza vamwe vanhu kusvika pavanorega kuvapfekedza. Kusiyanisa kunzwisa tsitsi dzimwe nguva chinetso kana uchipfeka multifocal lenses. Vamwe vanhu vachakwanisa kuverenga mutsara we20/20, asi vanoti haiti "crisp."
Zvaunofanira Kuziva
Vamwe vanachiremba vemaziso vanobatanidza kusanganiswa kwemazano ari pamusoro apa, zvichienderana nezvinodiwa nemurwere. Kukodzera kugadziriswa kwema-lens kunowanikwa pane zvinhu zvakawanda zvinosanganisira kuchinja kwako, mararamiro ako, mishonga uye maziso ako eziso uye zvepamoyo. Vanachiremba vane maitiro uye ophthalmologists vanokodzera mapepa emagetsi vanodzidza kuti imwe lensi yemhando haina kushandira munhu wose. Kukodzera mazano ekubatanidza kugadzirisa presbyopia kunoda scientists duku uye unyanzvi hudiki.
Kunobva:
Gupta, N, SA Naroo naJS Wolffsohn. "Kuenzanisa kwekuonekwa kwei-multifocal contact lens kusvika monovision." Optometry uye Visual Science, Feb 2009.