There are multiple definitions:

1. electro-olfactogram(English)

   • Electrophysiology, Olfactory system

2. electrooculography(English)

   • EEG, OA
   • Electrophysiology, Ophthalmology

3. electro-ocular-graph(English)

   • an electrophysiological test of the outer retina and retinal pigment epithelium (RPE) in which changes in the electrical potential across the RPE are recorded during successive periods of dark and light adaptation
   • RPE
   • Ophthalmology, Electrophysiology
   • https://doi.org…0633-017-9573-2