Kurongwa kwezvinhu zvitatu zvikuru
Magirazi egirazi
Pakutanga, zvinhu zvikuru zvaishandiswa kugadzira magirazi egirazi zvaive magirazi egirazi. Izvi zvainyanya kuitika nekuti magirazi egirazi egirazi ane chiedza chakawanda, akajeka zvakanaka, uye maitiro ekugadzira akakura uye ari nyore. Zvisinei, dambudziko guru nemagirazi egirazi nderekuchengetedzeka kwawo. Haana simba rekudzivirira kukuvadzwa uye ari nyore kupwanyika. Pamusoro pezvo, anorema uye haafadzi kupfeka, saka kushandiswa kwawo pamusika pari zvino kwakaganhurirwa.
Magirazi eresin
Magirazi eResin magirazi ekuona akagadzirwa neresin sechinhu chisina kugadzirwa, anogadziriswa uye anogadzirwa kuburikidza nemaitiro chaiwo emakemikari uye kupolisha. Parizvino, chinhu chinonyanya kushandiswa pamagirazi iresin. Magirazi eResin ane huremu hwakareruka kana tichienzanisa nemagirazi ekuona uye ane simba rekudzivirira kupwanyika kupfuura magirazi ekuona, zvichiita kuti asaputsikane uye saka akachengeteka kushandisa. Panyaya yemutengo, magirazi eresin anodhurawo. Zvisinei, magirazi eresin haana simba rekudzivirira kukwenya, anokurumidza kuoxida, uye anowanzo kukwenya pamusoro.
Magirazi ePC
Malenzi ePC malenzi akagadzirwa nepolycarbonate (thermoplastic material) anogadzirwa nekupisa. Izvi zvinobva mukutsvagisa kwezvirongwa zvemuchadenga uye zvinozivikanwawo semalenzi emuchadenga kana kuti malenzi ecosmic. Nekuti PC resin ipurasitiki inoshanda zvakanyanya, yakakodzera kugadzira malenzi egirazi remaziso. Malenzi ePC ane simba rekudzivirira kukanganiswa, haamboputsike, uye akachengeteka kushandisa. Panyaya yehuremu, akareruka kupfuura malenzi eresin. Zvisinei, malenzi ePC anogona kuoma kugadzirisa, zvichiita kuti adhure zvakanyanya.
Zvinhu Zvakakodzera Vakwegura
Kune vakwegura vane presbyopia, zvinokurudzirwa kusarudza magirazi kana magirazi eresin. Presbyopia inowanzoda magirazi ekuverenga asingashande nesimba rakawanda, saka huremu hwemagirazi hausi dambudziko guru. Uyezve, vakwegura vanowanzo shanda zvishoma, zvichiita kuti magirazi kana magirazi eresin akaomarara arambe achidzivirira kukwenya, ukuwo vachiona kuti maziso anogara kwenguva refu.
Zvinhu Zvakakodzera Vakuru
Magirazi eResin akakodzera vanhu vane makore epakati nepakati nevechidiki. Magirazi eResin ane sarudzo dzakasiyana-siyana, kusanganisira kusiyanisa zvinhu zvichienderana nerefractive index, mashandiro azvo, uye nzvimbo dzakakosha, nokudaro zvichizadzisa zvinodiwa zvakasiyana-siyana zvemapoka akasiyana.
Mashoko Akakodzera Vana Nevachiri Kuyaruka
Pakusarudza magirazi evana, vabereki vanokurudzirwa kusarudza magirazi akagadzirwa nezvinhu zvePC kana Trivex. Zvichienzaniswa nedzimwe mhando dzemagirazi, zvinhu izvi hazvina kureruka chete asiwo zvinopa hunhu huri nani hwekudzivirira kupenya uye kuchengetedzeka kwakanyanya. Pamusoro pezvo, magirazi ePC neTrivex anogona kudzivirira maziso kubva kumwaranzi yeUV inokuvadza.
Magirazi aya akaomarara zvikuru uye haakurumidzi kutyoka, saka anonzi magirazi ekuchengetedza. Achirema magiramu maviri chete pa cubic centimeter, parizvino ndiwo akareruka anoshandiswa kumagirazi. Hazvina kukodzera kushandisa magirazi egirazi kumagirazi evana, sezvo vana vachishanda uye magirazi egirazi anogona kutyoka, izvo zvinogona kukuvadza maziso.
Mhedziso
Hunhu hwemagirazi akagadzirwa nezvinhu zvakasiyana hwakasiyana zvikuru. Magirazi egirazi anorema uye haana kuchengetedzeka kwakawanda, asi haagoni kukwenywa uye ane nguva yakareba yekushandiswa, zvichiita kuti akwane vanhu vakwegura vane mazinga mashoma ekurovedza muviri uye presbyopia iri nyore. Magirazi eresin anouya akasiyana-siyana uye ane mashandiro akazara, zvichiita kuti akwane kune zvakasiyana-siyana zvekudzidza uye zvinodiwa pabasa revanhu vezera repakati nevechidiki. Kana zvasvika kumagirazi evana, kuchengetedzeka kwakanyanya uye kureruka zvinodiwa, zvichiita kuti magirazi ePC ave sarudzo iri nani.
Hapana chinhu chakanakisa, kungoziva kusingachinji kwehutano hwemaziso. Pakusarudza magirazi akagadzirwa nezvinhu zvakasiyana, tinofanira kufunga nezvemaonero emutengi, tichifunga nezvemitemo mitatu yekuisa magirazi: kunyaradzwa, kugara kwenguva refu, uye kugadzikana.
Nguva yekutumira: Ndira-08-2024