Varifocals uye bifocals ese ari maviri marudzi emagirazi egirazi akagadzirirwa kugadzirisa nyaya dzechiratidzo dzine chekuita nepresbyopia, mamiriro akajairika ane hukama nezera anokanganisa pedyo nekuona.Nepo ese maviri marudzi emalenzi achibatsira vanhu kuona pamadaro akawanda, anosiyana mukugadzira uye kushanda.Mukuenzanisa kwakazara uku, tichaongorora misiyano yakakosha pakati pevarifocals uye bifocals, kusanganisira kuvaka kwavo, mabhenefiti, zvipingamupinyi, uye kufunga pakusarudza imwe pamusoro peimwe.
Bifocals: Bifocals yakagadzirwa naBenjamin Franklin mukupera kwezana ramakore rechi 18 uye ine zvikamu zviviri zvakasiyana zvelens.Chikamu chepamusoro chelens chinoshandiswa kuona chinhambwe, nepo chikamu chepasi chakagadzirirwa kuona pedyo.
Kuvaka:Bifocal lenses inoratidzirwa neinooneka yakatwasuka mutsara unoparadzanisa zvikamu zviviri zvelens.Mutsetse uyu unonzi "bifocal line," uye unopa chiratidzo chakajeka chekuchinja pakati pechinhambwe uye pedyo nechikamu chechiratidzo chelenzi.
Optical Benefits:Mukana wekutanga we bifocal lenzi kusiyanisa kwavo kwakajeka pakati pechinhambwe uye pedyo nekuona.Shanduko yekukasira pamutsetse webifocal inobvumira vanopfeka kuti vachinjike zviri nyore pakati pemadaro maviri akatarisana nekutarisa nechikamu chakakodzera chelenzi.
ZvakaipaChimwe chezvipingamupinyi zvikuru zvebifocals mutsara unooneka, unogona kunge usingafadze vamwe vanhu.Pamusoro pezvo, kukurumidza kushanduka pakati pezvikamu zviviri zvelens kunogona kukonzera kusagadzikana kwekuona kana kukanganisa, kunyanya panguva yekuchinja nekukurumidza mukutarisa pakati pechinhambwe uye pedyo zvinhu.
Zvinotarisirwa:Kana uchifunga nezve bifocals, vanhu vanofanirwa kuziva zvavanoda zvekuona uye zvavanoda.Bifocals isarudzo yakakodzera kune avo vane zvakasiyana uye zvinofanotaurwa zvinodiwa zvechinhambwe uye padyo nekugadzirisa kwechiratidzo.
Varifocals:Varifocals, inozivikanwawo semalenzi anofambira mberi, inopa shanduko isina musono pakati pemafaro akatarisa akawanda pasina mutsara unooneka unowanikwa mune bifocals.Aya malenzi anopa kururamisa kwechinhambwe, chepakati, uye padyo nekuona mukati meimwe lenzi dhizaini.
Kuvaka:Varifocal lenses inoratidzira kufambira mberi zvishoma nezvishoma kwesimba re lens kubva kumusoro kusvika pasi, zvichibvumira vanopfeka kuti vashandure kutarisa kwavo pakati pemadaro akasiyana pasina mutsara unooneka.Kusiyana nemabifocals, varifocal lenzi hadzina chikamu chinooneka, ichipa chitarisiko chakasarudzika uye chinoyevedza.
Optical Benefits:Mukana mukuru wevarifocals kugona kwavo kupa kuenderera, kwechisikigo kururamisa kwekuona pamadaro akasiyana.Iyi dhizaini inobvumira vanopfeka kuti vafambe zvakanaka pakati pekure, yepakati, uye padyo nekuona pasina kusangana nekuchimbidzika kwekuchinja kwakabatana nebifocal lenses.
ZvakaipaKunyange zvazvo varifocals vachipa ruzivo rwakanyanya rwechisikigo, vamwe vanopfeka vangada nguva yekugadzirisa kune kufambira mberi kwema lenses.Iyi nguva yekugadzirisa, inowanzonzi "kuchinjisa," inogona kusanganisira kujairana nenzvimbo dzakasiyana dzekuona mukati melenzi uye kudzidza kushandisa lens zvine hungwaru kuita zviitiko zvakasiyana.
Zvinotarisirwa:Paunenge uchitarisa varifocals, vanhu vanofanirwa kufunga nezve mararamiro avo uye maitiro ekuona.Varifocal lenses akanakira avo vanoda gadziriso yekuona isina musono pamadaro akawanda uye vanoshuvira dhizaini yakangwara uye inoyevedza lens.
Kusarudza Pakati peVarifocals uye Bifocals: Pakusarudza pakati pevarifocals uye bifocals, zvinhu zvakati wandei zvinofanirwa kutariswa kuti ive nechokwadi chakanyanya kufanira sarudzo yezvido zvemunhu uye zvinoonekwa zvinodiwa.
Mararamiro neMabasa:Funga nezvezviitwa chaizvo uye mabasa anoda kuona kwakajeka pamadaro akasiyana.Semuyenzaniso, vanhu vane basa rinosanganisira kugara vachichinjana pakati pepedyo nekure kuona vanogona kubatsirwa neshanduko isina musono inopihwa nevarifocals.Nekune rimwe divi, avo vane zvimwe zvinofanotaurwa zvinodikanwa zvechiratidzo vanogona kuwana bifocals kuva sarudzo inoshanda.
Aesthetic Preferences:Vamwe vanhu vangave vaine zvavanoda zvakasimba pamusoro pechitarisiko chegirazi ravo remaziso.Varifocals, nekusavapo kwavo kwemutsara unooneka, vanowanzopa imwe sarudzo inoyevedza kune vanopfeka vanoisa pamberi pekutaridzika, kwemazuva ano.Bifocals, ine mutsara wavo wakasiyana webifocal, inogona kunge isinganyanyi kukwezva kubva kune aesthetic maonero.
Kunyaradza uye Kugadzirisa:Kufunga kunofanirwa kupihwa kune iyo nguva yekugadzirisa inodiwa kune ese arifocals uye bifocals.Nepo varifocals ichipa shanduko yechisikigo pakati pemadaro akatarisana, vanopfeka vangangoda nguva yekujairana neinofambira mberi lens dhizaini.Bifocal vanopfeka vanogona kusangana nekukurumidza kuchinjika nekuda kwekusiyanisa kwakajeka pakati pechinhambwe uye pedyo nechikamu chechiratidzo.
Kunyorerwa uye Kuona Zvinodiwa:Vanhu vane zvimiro zvakaoma zvekuona kana matambudziko ekuona anogona kuona kuti imwe mhando yelenzi inokodzera zvirinani zvavanoda.Zvakakosha kubvunzana nenyanzvi yekuchengeta maziso kuti uone sarudzo yakanyatsokodzera lens zvichienderana nezvinodiwa zvekuona kwega.
Mukupedzisa, varifocals uye bifocals akasiyana mukuvaka, optical mabhenefiti, zvinokanganisa, uye kufunga kune vanopfeka.Nepo bifocals ichipa mutsauko wakajeka pakati pechinhambwe uye padhuze chiono chine mutsara unooneka, varifocals inopa shanduko isina musono pakati pemafaro akatarisa akawanda pasina chikamu chinooneka.Paunenge uchisarudza pakati pevarifocals uye bifocals, mararamiro, aesthetic zvaunofarira, kunyaradza, kuchinjika, uye yemunhu maonero zvinodiwa zvese zvinofanirwa kutariswa.Nekunzwisisa iwo akasiyana maficha uye kufunga kwakabatana nemhando yega yega lens, vanhu vanogona kuita sarudzo ine ruzivo kugadzirisa zvavanoda zvekuona.
Nguva yekutumira: Feb-04-2024