2Kumar M, Arora R, Sanga L, et al. Black corneal ulcer[J]. Cornea, 1997, 16(5) : 590 -591.
3Sengupta S, Rajan S, Reddy P R, et al. Comparative study on the in- cidence and outcomes of pigmented versus non pigmented keratomycosis [J]. Indian J Ophthalmol, 2011,59(4) : 291 -296.
