Kuchembera kwevanhu kwazova chinhu chakajairika munyika. Mazuva ano, matambudziko ehutano evakwegura anotorwa zvakanyanya nemunhu wese. Pakati pazvo, zvinetso zvoutano zvechiono zvavakwegura zvinodawo ngwariro yomunhu ari wose nokukurumidza. Vanhu vazhinji vanofunga kuti presbyopia haigoni kuona mazwi ari pedyo zvakajeka, saka ingotenga magirazi epresbyopic. Muchokwadi, kusarudzwa kwemagirazi ekuverenga hakuna kudaro "random". Zvakakosha kunyatsosarudza magirazi ekuverenga anokodzera iwe.
Maitiro Ekusarudza Peya Yekuverenga Magirazi
1.SINGLE VISION
Ndiyo nzira inonyanya kushandiswa kugadzirisa presbyopia. Kazhinji, pamusana pekuona zvakajeka kure, imwe chiyero chesimba regirazi rakanaka rinowedzerwa, kuitira kuti kuona zvakajeka kure kunove kwakajeka pedyo.
Zvakanakira:Inonyaradza, inowirirana lens kupenya mukati memunda wekuona, nyore kugadzirisa; mari uye inokwanisika.
Zvakaipa:Kune vamwe vanhu vanoda kupfeka magirazi kuti vaone kure, kuvhiyiwa kwacho kunonetsa. Semuenzaniso, vakwegura vane myopia yepakati kusvika kumusoro vanowanzoda kupfeka magirazi ane myopia yakakwirira pakufamba uye kuona TV; kana vachiverenga mabhuku kana nharembozha, vanofanira kuzvichinja. Kupfeka magirazi e presbyopic, uchiatora nekuabvisa, kuvhiya kwacho kunonetsa. Pamamiriro ezvinhu akadaro, pane magirazi here anogona kugadzirisa dambudziko rekuona kure uye pedyo panguva imwe chete? Hongu, bifocals.
2. Bifocals
Inoreva kugadziridzwa kwemasimba maviri akasiyana erefractive pamagirazi akafanana kuti ave girazi rekuona nenzvimbo mbiri dzekugadzirisa panguva imwe chete.
Zvakanakira:Yakanaka, hafu yepamusoro yelens inzvimbo yekuona kure, uye hafu yepasi ndiyo nzvimbo yekuona iri pedyo. Peya imwe yemagirazi inogadzirisa dambudziko rekuona kure nepedyo, uye inodzivirira kubva uye kupfeka mapeya maviri emagirazi kumashure nekudzoka.
Zvakaipa:Kune vakwegura vane madhigirii akakwirira epresbyopia, zvinhu zviri pakati nepakati zvinogona kunge zvichiri kujeka; Iyo yepasi prism athari inoita kuti chinhu chiite se "chasvetuka" kunzvimbo yepamusoro.
Kana ichienzaniswa nelenzi yekuona kamwe chete, bifocal lens inokwanisa kuona zviri kure nepedyo, asi haigone kubatsira zvinhu zviri pakati nepakati, saka pane magirazi here anogona kuona kure, pakati nepedyo, uye anogona kuona zvakajeka padaro rega rega? Hongu, Progressive magirazi.
3. Magirazi anofambira mberi
Inoreva kushanduka zvishoma nezvishoma kwemagirazi asingaverengeki ekuwedzera kubva kumusoro kusvika pasi pachidimbu chegirazi, zvichipa muchengeti ane chiono chinopfuurira uye chakajeka kubva kure kusvika pedyo, uye hapana rudzi rwakakosha rwemagirazi maererano nekuonekwa kwe lens.
Zvakanakira:Yakanaka, pamusoro pelenzi inzvimbo yekuona kure, uye pasi inzvimbo yekuona iri pedyo. Kune kureba uye nhete gradient nzvimbo inobatanidza maviri, ichikutendera iwe kuona zvinhu zviri pakati pemadaro. Mativi maviri enzvimbo yegradient inzvimbo dzekutenderera. Magirazi maviri panguva imwe chete anogadzirisa zvinodiwa zvekuona zvemafaro ari kure, epakati uye ari pedyo, achiwana "stepless speed change".
Zvakaipa:Zvichienzaniswa negirazi rekuona rimwe chete, zvinotora nguva yakareba kuti udzidze uye uchinje.
Saka, "kamwe uye zvachose" kusarudza magirazi ekuverenga akakodzera?
Uye hazvisizvo. Dhigirii yepresbyopia icharamba ichiwedzera nezera, kazhinji ichiwedzera pamwero we50 madhigirii ega ega makore mashanu. Zvidzidzo zvakawana kuti kune vanhu vasina chero diopter, dhigirii ye presbyopia pazera remakore 45 inowanzoita madhigirii zana, uye inowedzera kusvika 200 degrees pazera remakore 55. Pazera remakore makumi matanhatu, dhigirii ichawedzera kusvika 250 degrees kusvika ku300 degrees. Dhigirii ye presbyopia kazhinji haina kudzika. Asi nokuda kwemamiriro ezvinhu chaiwo, zvinokurudzirwa kuenda kuchipatara chemaziso kune optometry yezvokurapa usati warayira magirazi
Kana iwe uchida kuziva zvakawanda nezve magirazi fashoni maitiro uye kubvunza indasitiri, ndapota shanyira webhusaiti yedu uye utibate isu chero nguva.
Nguva yekutumira: Jul-28-2023