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1.74 Magalasi a Spin Photochromic Gray HMC Optical
Ubwino wa lenzi yosintha mtundu ndi wakuti padzuwa lakunja, lenziyo imasinthidwa pang'onopang'ono kuchoka pakhungu lopanda mtundu kukhala imvi, ndipo ikabwerera m'chipinda kuchokera ku dzuwa la ultraviolet ndikubwerera pang'onopang'ono kukhala lopanda mtundu, imathetsa vuto lovala magalasi a dzuwa chifukwa cha myopia, ndipo imakwaniritsa mawonekedwe amkati ndi akunja.
