Diagnosis of an X-linked type 2 congenital stationary night blindness using electroretinography and CACNA1F sequencing.A 4-year-old boy, with no history of relevance, presented with bilateral visual impairment, more so in scotopic conditions, and did not improve with optical correction. 
electroretinography
Diagnosis of an X-linked type 2 congenital stationary night blindness using electroretinography and CACNA1F sequencing.A 4-year-old boy, with no history of relevance, presented with bilateral visual impairment, more so in scotopic conditions, and did not improve with optical correction. 
CACNA1F sequencing