After fusion the mass solidifies to a transparent vitreous solid which dissolves readily in water to form boric acid (q.v.); it is exceedingly hygroscopic and even on standing in moist air becomes opaque through absorption of water and formation of boric acid.
It is a vitreous greenish blue, as I remember it, like those patches of the winter sky seen through cloud vistas in the west before sundown.
The condition is caused by blood vessels growing into the vitreous, which is followed later by fibrosis.
The materials used for the cistern remained the same, although some tanks were made of vitreous china.
ICCE surgery has more complications related to vitreous disturbance (i.e., cystoid macular edema, retinal detachment and corneal decompensation) than ECCE.