The following are true about electroretinogram (ERG):
a. the a-wave has negative deflection
b. a wave is generated by the retinal pigment epithelium
c. amacrine cells are responsible for the oscillatory potential
d. it is possible to separate the cone and rod ERG
a. the a-wave has negative deflection
b. a wave is generated by the retinal pigment epithelium
c. amacrine cells are responsible for the oscillatory potential
d. it is possible to separate the cone and rod ERG