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1.74 Koodhka buluuga ah ee HMC muraayadaha indhaha
Muraayadaha indhaha 1.74 waxa loola jeedaa muraayadda leh index refractive 1.74, kaas oo ah kan leh index refractive-ka ugu sarreeya suuqa, iyo kan leh dhumucda muraayadda ugu khafiifsan. Halbeegyada kale waa siman yihiin, kor u kaca index refractive, khafiif ah lens, iyo qaali noqon doonaa. Haddii heerka myopia uu ka badan yahay 800 darajo, waxaa loo arkaa inuu yahay ultra-high myopia, iyo index refractive ee 1.74 ayaa ku habboon.
