Blue-tinged sclerotics are not infrequently seen in infants and young children. In tuberculous patients also such a blue tinge may occasionally be noted. Congenital heart disease with marked cyanosis may be associated with blue sclerotics, and is largely due to venous congestion. In negro infants and children I have sometimes noted patches of pigmentation in the sclerotics. The blue sclerotics which I am about to describe are entirely distinct from any of these. The condition is congenital and the sclerotics are of a uniform blue color. The first to note the peculiarity was von Ammon;1 his description is as follows:
Congenital diseases of the sclerotic are rare.... Of importance is a peculiar whitish blue coloration of this membrane occasionally met with when the whole development of the eye is retarded. The sclerotic in such cases appears thin and almost transparent. I have seen it also in congenital hydrophthalmus.... A