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1.56 Bifocal Flat top / Round Top / Blended HMC anya anya m
Bifocals lenses bụ lenses spectacle nwere ma mpaghara mgbazi ma a na-ejikarị emezi presbyopia.Ebe a na-akpọ ebe bifocals na-edozi anya dị anya ka a na-akpọ ebe dị anya, ebe a na-agbazikwa nso ebe ọhụụ na-akpọ nso ebe ọhụụ na ebe ọgụgụ.Ọtụtụ mgbe, ebe dị anya na-ebuwanye ibu, ya mere a na-akpọkwa ya isi ibe, na ebe dị nso dị ntakịrị, nke a na-akpọ sub iberi.
