Unmounted ophthalmic lens of any material other than glass, optically worked 眼科透镜,未装配的,除玻璃外的任何材料制,经光学加工的
Optical coherence tomography for ophthalmic imaging Results: The spectacle magnification is relative to the power of the correcting lens and distance of eye from the back vertex of the lens. 结果:镜片角放大率与矫正镜片屈光力,以及镜眼距有关。