Do ERG and EOG eye tests measure the same thing? (Light sensitivity?) Trying to find out so I can correlate findings for a seasonal Aff disorder essay

No the tests. you mention are electrophysiology tests which measure different eye issues including pupillography (light sensitivity) etc. There are NO Correlations I am aware of with Seasonal Affective Disorder PER SE (HOWEVER research using these tools is ONGOING!!!!!!!! You might ask your OPTHAMOLOGIST for some references! Hope this helps\ Dr Z.