Yayin da muke tsufa, ruwan tabarau, tsarin mayar da hankali na idanunmu, yana fara taurare sannu a hankali kuma ya rasa elasticity, kuma ikon daidaitawa ya fara raguwa a hankali, yana haifar da wani abu na al'ada na ilimin lissafi: presbyopia.Idan wurin kusa ya fi 30 centimeters, kuma obj ...
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