“…Retinal isolation and test signal recording were performed in Ringer's solution. In our experiment, the Ringer's solution was composed of (in mM): 120 NaCl, 2.6 KCl, 1.0 MgCl 2 , 1.0 CaCl 2 , 28.0 NaHCO 3 , and 5.0 glucose buffer to pH 7.6 (Asano, 1977).…”