Zvimwe zvezvinhu zvakakosha zvinotarisirwa kutyaira musika wekuona lens zvinosanganisira kuwedzera kuwanda kwezvirwere zvemaziso senge myopia, presbyopia, uye astigmatism, pamwe nemararamiro ekugara, kuwedzera kuchembera kwehuwandu hwevanhu, kukanganisa presbyopia, uye yekupedzisira-mushandisi havi ye presbyopia.Vanoziva...
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