Mu ntangiriro hari ijambo, kandi ijambo ryari ridasobanutse.Ibyo biterwa nuko indorerwamo z'amaso zitaravumburwa.Niba warebaga kure, ukareba kure cyangwa ukagira astigmatism, wagize amahirwe.Ibintu byose byari bidasobanutse.Mu mpera z'ikinyejana cya 13 ni bwo havumbuwe lensisiti ikosora kandi idahwitse, ...
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