The hands are no longer able to reach out and grasp objects. Symptoms your physician may observe At the age of about six months, a characteristic cherry red spot can be observed in the back of each eye of an affected baby. In addition, genetic tests can identify both carrier parents and affected fetuses. There is no cure and no treatment except keeping the child comfortable. Outlook Gradually the baby becomes blind, paralyzed, and unresponsive.
Death usually occurs by three or four years.