<unk>  disease is an inherited form of juvenile macular degeneration that causes progressive vision loss usually to the point of legal blindness. Several genes are associated with the disorder. Symptoms, mainly vision loss, typically develop before age 20, and also include wavy vision, blind spots, blurriness, impaired color vision, and difficulty adapting to dim lighting.
Stargardt's disease
Rosai Dorfman disease
Farber disease
Batten disease
Pickardt syndrome
Hailey-Hailey disease
Kennedy disease
Tangier disease