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1.74 Ngā karaihe whatu HMC Blue Coat
Ko te tikanga o te mōhiti 1.74 ko te arotahi he 1.74 te taupū whakaata, koinei te mea he teitei rawa te taupū whakaata i te mākete, ā, ko te mea he angiangi rawa te matotoru o te arotahi. Mēnā he ōrite ētahi atu tawhā, ka teitei ake te taupū whakaata, ka angiangi ake te arotahi, ā, ka nui ake te utu. Mēnā he nui ake te taumata o te myopia i te 800 nekehanga, ka kiia he myopia tino teitei, ā, he pai te taupū whakaata o te 1.74.
