CaV3.1, CaV3.2, CaV3.3 and CaV1.2 are expressed in rat Müller cells.
CB1R agonist WIN55212-2 dose-dependently suppresses Ca2+ currents in Müller cells.
WIN55212-2-induced suppression of Ca2+ currents is independent of CB1R/CB2R.
Endocannabinoids 2-AG/AEA suppress Ca2+ currents in a CB1R-independent manner.
The 2-AG effect is not, but the AEA effect is partially mediated by CB2Rs.