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. 2021 Jul 19;6(1):e000751. doi: 10.1136/bmjophth-2021-000751

Table 1.

Some causes of electronegative electroretinogram waveforms

Inherited X-linked retinoschisis
Congenital stationary night blindness
Batten disease
Duchenne muscular dystrophy
Other genetic conditions
Acquired Vascular Central retinal artery/vein occlusion
Toxic Vigabatrin
Quinine
Methanol
Siderosis
Inflammatory or autoimmune Paraneoplastic Melanoma-associated retinopathy
Carcinoma-associated retinopathy
Non-paraneoplastic Birdshot uveitis
Other inflammatory/autoimmune