Electronegative ERG
Possible Causes
- CSNB (Oguchi’s)
- CRVO / acute CRAO
- Juvenile X-linked retinoschisis
- Siderosis
- Myotonic dystrophy
- Duschenne muscular dystrophy
- Batten’s disease
- Quinine toxicity / methanol toxicity
- MAR (melanoma-associated retinopathy / CAR (cancer-associated retinopathy)
- Retinoschisis