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1.49 Ib Lub Zeem Muag UC
Tus nqi refractive index ntawm lub lens, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 ntawm lub cim sab saud ntawm lub lens txhais tau tias tus nqi refractive index ntawm lub lens. Rau cov tsom iav myopic, tus nqi refractive index ntawm lub lens siab dua, qhov ntug ntawm lub lens nyias dua, vim tias lwm yam kev teeb tsa zoo ib yam.
