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1.74 Iilensi zeBlue Coat HMC Optical
I-eyeglass 1.74 ithetha i-lens ene-refractive index ye-1.74, eyona nto iphezulu kakhulu kwi-refractive index kwimarike, kunye neyona nto i-lens thinnest. Ezinye iiparameters zilingana, isalathisi esiphezulu se-refractive, i-lens encinci, kwaye iya kuba yindleko. Ukuba iqondo le-myopia lingaphezu kwama-800 degrees, lithathwa njenge-ultra-high myopia, kunye ne-index refractive index ye-1.74 ifanelekile.
