About aqueous humor, which of the following descriptions are correct ?
A.It is colorless, transparent and watery fluid.
B.It fills the chambers of the eye.
C.It comes from the secretion of ciliary body.
D.?It passes through the iridocorneal angle (虹膜角膜角) to the ophthalmic vein (眼静脉) directly.
E.It plays a part in refracting the light ertering the eye.
正确答案是ABCE