Congenital stationary night blindness
ORPHA:215· ICD-10 H53.6
Definition
Congenital stationary night blindness (CSNB) refers to a non-progressive group of retinal disorders characterized by night or dim light vision disturbance or delayed dark adaptation, poor visual acuity (ranging from 20/30 to 20/200), myopia (ranging from low (-0.25 diopters [D] to -4.75 D) to high (≥-10.00 D)), nystagmus, strabismus, normal color vision and fundus abnormalities.
- Prevalence
- Unknown
- Inheritance
- Autosomal dominant, Autosomal recessive, X-linked recessive
- Age of onset
- Neonatal