Actually, what he finds is the winning side would lose about 5% and the losing side would lose maybe as much 15%, and so you get some idea.

他得出的结论是,胜方伤亡,大约是百分之五,而败方可以高达百分之十五,大概是这样

耶鲁公开课 - 古希腊历史简介课程节选

So I think it's pretty clear when Socrates starts talking about what's visible versus what's invisible, he doesn't limit himself to vision, he means to be talking about all of the 5 senses.

所以我认为很清楚的是，苏格拉底,在谈论何为有形,何为无形的时候，并没有局限在看这一种感官上,他要谈的是所有的五种感官。

耶鲁公开课 - 死亡课程节选