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Evolution of optociliary veins in optic nerve sheath meningioma. Evolution
R. K. Imes, H. Schatz, W. F. Hoyt, M. L. Monteiro and M. Narahara
Sequential fundus photographs, obtained during an eight-year period,
documented the development of optociliary veins. Disc edema preceded their
appearance by three years, and as optic atrophy became profound, the veins
changed in number and in size.