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1.56 Anya Anya Igwe Anya A Na-acha Acha nke A Na-emecha nke Ọma
Ọtụtụ mgbe, enwere ụdị ihe ngosi isii nke ihe ngosi resin: 1.50, 1.56, 1.60, 1.67, 1.71 na 1.74. Ọ bụrụ na ịchọrọ ihe ngosi refractive dị elu, naanị ihe ị ga-atụle bụ ihe ngosi iko, nke nwere 1.80 na 1.90 ịhọrọ. Ọ bụ naanị na a naghị eji ihe ngosi iko eme ihe ugboro ugboro taa, mana mpempe akwụkwọ iko nwekwara obere ihe ngosi refractive, dịka 1.60 na 1.71.
