Sezvo isu tichikura, lenzi, iyo inotarisisa sisitimu yemeso edu, inotanga kuomesa zvishoma nezvishoma uye kurasikirwa nekusimba kwayo, uye simba rekugadzirisa rinotanga kupera zvishoma nezvishoma, zvichitungamira kune yakajairika physiological chiitiko: presbyopia. Kana nzvimbo yepedyo yakakura kudarika 30 centimita, uye obj...
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