The term post-rotational nystagmus is identified in base64 scheme by the sequence cG9zdC1yb3RhdGlvbmFsIG55c3RhZ211cw==, while the MD5 signature is equal to 222576a42e63829fae7a5f5c3e1ebbfe. The ASCII encoding of post-rotational nystagmus in hexadecimal notation is 706f73742d726f746174696f6e616c206e79737461676d7573.