Magalasi owerengera osavuta a Retro

Magalasi owerengera a buluu awa, mawonekedwe ake ndi akulu, mawonekedwe osavuta, amuna ndi akazi amatha kuvala magalasi, mawonekedwe osinthika, osavuta kupindika.Zinthu zowala, zomasuka komanso zathanzi.Miyendo yagalasi yowoneka bwino, yopanda kopanira kumaso, kumva bwino pakhungu, kuvala bwino;Hinge ndi yolimba, imatha kutseguka ndi kutseka mwakufuna, yokhazikika komanso yosalala;Pamphuno yabwino, mphuno yosalala popanda kukakamizidwa;Tanthauzo lapamwamba la lens, kusamvana kwakukulu, masomphenya omveka bwino, komanso zotsatira za kuwala kwa buluu, kuwala kwa buluu kumatha kupyolera mu lens kupita ku retina, kuvulaza kwa maso ndi kwakukulu kwambiri, pali magalasi osagwirizana ndi kuwala kwa buluu amatha kulepheretsa kuwala kwa buluu, tetezani thanzi la maso, zinthu zamagetsi zatsiku ndi tsiku, kusewera foni, osati kungoyang'ana momveka bwino, kumathanso kulepheretsa chitetezo cha maso a buluu.Kuwerenga nyuzipepala, kuyenda, etc., ndi ntchito kwa buluu kuwala presbyopia magalasi, m'mlengalenga satenga anthu, kalembedwe yosavuta ndi zosunthika, kapangidwe wonse ndi kuwala kwambiri, yabwino kunyamula.