For individuals with<unk> , symptoms do not appear until about one year of age. From conception to birth, individuals with<unk>  appear asymptotic, with no abnormal characteristics. Vision is negatively affected within the first year of life, particularly night vision. Individuals with<unk>  experience decreased visual acuity, meaning their ability to see distinct sharp lines decreases. Vision quality continues to deteriorate until age three. Any further reduction in vision acuity is not observed until the individual is between the ages thirty to forty. Delayed sentence processing and intellectual disability is associated with individuals with<unk> , primarily observed at age four. Individuals continue to develop and grow until they are five to twelve years old. During this age bracket, truncal obesity can develop, characterized by the buildup of fat around one's trunk or torso as opposed to the person's extremities. Males enter puberty at around age twelve and develop normally, except for their penis, which will remain at the prepubescent size, resulting in a micropenis. Both the life span and fertility of individuals with<unk>  is unclear .
MORM syndrome
Sly syndrome
Mungan syndrome
Strømme syndrome
WHIM syndrome
ANOTHER syndrome
McGillivray syndrome
Grisel's syndrome