eye gauge的用法和樣例：
例句
- The wavy lines on the polished surface of jadeit jade are visiable to the naked eye or observation under magnification.
通過肉眼和放大鏡下觀察，翡翠玉器的拋光表面一般都可見到微波狀起伏，即微波紋。 - The Coddington is essentially a sphere with a slot cut in it to allow an aperture smaller than the pupil of the eye.
科丁頓放大鏡實質上是一個球，球面上開槽，使得孔徑小於眼的瞳孔。
