Hypotrichosis with juvenile macular degeneration (HJMD) is a very rare syndrome characterized by sparse and short hair from birth followed by progressive macular degeneration leading to blindness. The disease is Orphanet rare-disease nomenclature entry Orphanet_1573 (Hypotrichosis with juvenile macular degeneration). Also known as: HJMD, Hypotrichosis with juvenile macular dystrophy.