Sayenzi yakakurumbira yemhando dzegirazi dziripo pamusika parizvino

Magirazi ekuverenga:
Mashandiro ayo: Anoshandiswa kugadzirisa presbyopia, magirazi ekuverenga magirazi anobatsira maziso kutarisa.
Type: Magirazi ekuverenga ega ega, anogona kungoona padhuze; Kune bifocal kana multi-focal kuverenga magirazi, ayo anogona kusangana nezvinodiwa zvekuona kure nekuvhara panguva imwe chete.

Magirazi ezuva:
Basa: Inonyanya kushandiswa kuvhara chiedza chezuva uye ultraviolet mwaranzi kuderedza kukurudzira uye kukuvara kwechiedza chezuva kumaziso.
Lens ruvara: Akasiyana mavara emalenzi akakodzera nharaunda dzakasiyana uye zviitiko. Semuenzaniso, grey lenses inopa maonero emavara echisikigo uye akakodzera kune zvakasiyana-siyana zvechiedza; Malenzi ebrown anowedzera kusiyanisa kwemavara uku achidzikisa kupenya, akakodzera kutyaira uye zvimwe zviitiko; Yellow lenses inosimudzira kusiyanisa, iyo yekuona maitiro iri nani mune yakaderera chiedza kana makore, anowanzo shandiswa skiing, hove uye mimwe mitambo.

Magirazi ekuchinja mavara:
Nheyo: Iyo lenzi ine yakakosha makemikari zvinhu (senge sirivheri halide, nezvimwewo), mu ultraviolet kana simba remwenje irradiation ichaitika kemikari reaction, ita kuti lens ruvara ruve rima; Kana chiedza chikaderedzwa, mhinduro inodzoserwa shure, uye ruvara rwe lens zvishoma nezvishoma runova chiedza uye pachena.
Zvakanakira: Magirazi maviri anogona kusangana nezvinodiwa zvemukati nekunze kushandiswa panguva imwe chete, zviri nyore uye nekukurumidza, kudzivirira dambudziko rekugara kutsiva magirazi.