A gifted artist, Lonewolf suffers from rod monochromacy.    From Wordnik.com.  [PR.com Press Releases] Reference

The veterinary ophthalmology researchers said the disorder -- called congenital achromatopsia or rod monochromacy -- is a rare autosomal recessive genetic disorder with an estimated prevalence in human beings of about 1 in 50,000.    From Wordnik.com.  [The Money Times] Reference