Linked from
The 12 pages that link to Electroretinography, each with the reason it gives.
Rod cellRelated: Rod-specific responses help measure dysfunction in dim-light retinal pathways.
AchromatopsiaRelated: It can reveal severely reduced or absent cone responses.
MonochromacyRelated: It can reveal whether cone responses are absent or selectively preserved.
Stargardt diseaseRelated: It helps assess whether dysfunction extends beyond the macula.