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Sei magirazi ezuva achidzivirira maziso?

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Sei magirazi ezuva achidzivirira maziso?

2024-07-01

Kukuvadza kwemirairo ye ultraviolet

Kune marudzi matatu emwaranzi yeultraviolet muchiedza chezuva: UVA, UVB, uye UVC. UVC inowanzotorwa nemhepo yepasi, ukuwo UVA neUVB zvichinatswa nemwaranzi pasi. Kugara kwenguva refu kune iyi ultraviolet mwaranzi kunogona kukonzera kwakasiyana kukuvara kwemaziso, kusanganisira:

1. Photokeratitis:

Uku kuzvimba kwepamusoro peziso kunokonzerwa neUVB, kwakafanana nekupisa kwezuva paganda.

 

2. Cataract:

Kugara kwenguva refu kune ultraviolet mwaranzi kunowedzera kuitika kwecataract uye kunokonzera kusaona zvakanaka.

 

3. Macular degeneration:

UVA neUVB inomhanyisa kudzikira kwenzvimbo ye macular uye inokanganisa zvakanyanya kuona kwepakati.

 

4. Pterygium:

Uku kukura pacornea kunonyanya kukonzerwa nekukurudzira kwe ultraviolet uye kungada kurapwa.

 

 

 

Nzira yekudzivirira yegirazi

Magirazi ezuva epamusoro anokwanisa kuvhara 99% kusvika 100% yemwaranzi yeUVA neUVB, nokudaro achideredza kukuvadzwa kwakananga kwemwaranzi iyi inokuvadza kumaziso. Kudzivirira kwemagirazi ezuva kunonyanya kuratidzwa mune zvinotevera zvinhu:

1. Kuvharira UV mwaranzi:

Magirazi ezuva epamusoro-soro acharatidza chiyero chekudzivirira kweUV400, zvinoreva kuti anogona kuvharisa mwaranzi yese yeultraviolet ine wavelength iri pasi pe400 nanometers.


2. Kuderedza kupenya:

Polarized lenses inogona kuderedza kupenya kubva panzvimbo dzakati sandara (semvura, chando, nezvimwewo), kunatsiridza kunyaradzwa kwekuona uye kujeka.


3. Chengetedza ganda rakatenderedza maziso:

Ganda rakapoteredza maziso rakatetepa uye rinokuvadzwa nyore nyore nemirairo ye ultraviolet. Kupfeka magirazi ezuva kunogona kupa imwe dziviriro uye kuderedza njodzi yekuunyana negomarara reganda.


4. Dzivirira kuneta kwemaziso:

Chiedza chakasimba chinogona kuita kuti mboni yeziso ibate, kuwedzera mutoro pamhasuru dzeziso, uye kukonzera kuneta kwemaziso kwenguva yakareba. Magirazi ezuva anogona kuderedza kusimba kwechiedza uye kuita kuti maziso ave akasununguka.

 

 

 

Nzira yekusarudza magirazi ezuva akakodzera

Kusarudza magirazi ezuva akakodzera haafaniri kungofunga nezvemafashoni avo, asiwo teerera kune basa ravo rekudzivirira. Mazano anotevera anogona kukubatsira kuita sarudzo yakanaka:

1. Tarisa iyo UV yekudzivirira label:

Ita shuwa kuti magirazi ezuva ane UV400 yekudzivirira label inogona kuvhara ese anokuvadza ultraviolet mwaranzi.


2. Sarudza iyo chaiyo lenzi ruvara:

Gray lenses inogona kuderedza chiedza chese pasina kuchinja ruvara, nepo brown uye amber lenses inogona kuwedzera kusiyanisa uye kudzika kwekuona, iyo inokodzera mitambo yekunze.


3. Funga nezvema lens zvinhu:

Polycarbonate lenses ikareruka uye inopesana-inodzivirira, yakakodzera kumitambo uye kushandiswa kwemazuva ese.


4. Iva nechokwadi chekuvhara lens yakazara:

Malenzi akakura uye magadzirirwo ekuputira anogona kupa dziviriro iri nani uye kudzivirira ultraviolet mwaranzi kubva mumativi.

 

 

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Magirazi ezuva haangori fashoni chete, asiwo chinodiwa chekuchengetedza hutano hwemaziso. Sarudza magirazi ezuva emhando yepamusoro kuti upe maziso ako dziviriro yakanakisisa paunenge uchinakidzwa nezuva.