题目3.原发性开角型青光眼的房角为-|||-○A.闭角-|||-○B.眼压低时为开角,眼压高时为闭角-|||-bigcirc )C.始终是开角-|||-bigcirc D.眼压高时为开角,眼压低时为闭角题目解答答案C. 始终是开角