本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
If the human eyeball is too long from froarvc9; s8sc d5/1lz2xsn- 8zah kmwp,nt to bacnixkpt97x 3w /k, this gives rise to a vision defect that cant/iwnk9 7x3x p be corrected by using
A. convex meniscus eyeglasses.
B. concave meniscus eyeglasses.
C. cylindrical eyeglasses.
D. contact lenses, but no ordinary lenses.
E. shaded glasses (i.e., something that will cause the iris to dilate more).
参考答案: B
本题详细解析:
暂无
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Post time 2024-1-26 22:03:25