以下は「IMAIOS」の解説文となる。
The internal axis of eyeball is the virtual line connecting the posterior surface of the cornea to the inner surface of the retina measured on the same line with the external axis of eyeball (between the anterior and posterior poles).
【 語 句 】
・cornea:角膜 ・retina:網膜 ・external axis of eyeball:外眼球軸 ・posterior pole:後極