摘要
梁绍荣等主编的《普通物理学》（第四分册）《光学》中所介绍的小孔成像的实验， 可以间接地证明人眼的视网膜上的像是倒立的本文试图更明确地解释其原 因。
This experiment can Indirectly prove: that image on the retina of eye is downward. The article explains exactly the principle, and discusses the key to the success of the experiment.
关键词
眼前近物
小孔
阴影
幻影
像
near-eye object
small hole
shadow
pseudoscopic image
image
