• The symptom of poor night vision may be due to a progressive condition such as retinitis pigmentosa or one of the several congenital stationary night blindness (CSNB) disorders.
  • Poor color vision can be a mild hereditary disorder (often found in males) or a more serious problem such as a cone dystrophy.
  • The week’s case has both a CSNB disorder with numerous yellowish white dots in the fundus and cone dystrophy.
  • In addition to these two rare untreatable disorders, the patient also appears to be developing an unrelated common but treatable disorder: glaucoma.