https://www.selleckchem.com/pr....oducts/sch-527123.ht
However, overall there was not strong evidence of a relationship between the number of antiparkinsonian medications taken and the fERG parameters. Findings suggest that fERG may be a useful, non-intrusive measure of retinal, and, perhaps overall CNS function, in PD. However, additional studies in larger samples are needed to clarify this association. Findings suggest that fERG may be a useful, non-intrusive measure of retinal, and, perhaps overall CNS function, in PD. However, additional studies in larger samples are needed to clarif