Retinopathy associated with pegylated interferon and ribavirin treatment for chronic hepatitis C

Four months after initiation of treatment: cotton wool spots O.D.

Four months after initiation of treatment: cotton wool spots and 2 nerve fiber layer hemorrhages, 1 superior and 1 inferior to the optic nerve O.S.

Five months after initiation of treatment: resolving cotton wool spots O.D.

Five months after initiation of treatment: resolving cotton wool spots O.S.

Six months after initiation of treatment: trace cotton wool spots with 2 nerve fiber layer hemorrhages, 1 in the superior arcades and 1 superior to the optic nerve O.D.

Six months after initiation of treatment: no retinopathy O.S.