| Term Name: | congenital stationary night blindness |
|---|---|
| Synonyms: | congenital essential nyctalopia |
| Definition: | A hereditary night blindness that is characterized by hemeralopia with a moderate loss of visual acuity and caused by defective photoreceptor-to-bipolar cell signaling with common ERG findings of reduced or absent b-waves and generally normal a-waves. |
| Ontology: | Human Disease [DOID:0050534] ( DOID:0050534 ) |