Abstract
AbstractPurpose: To investigate the distribution of chlorine and potassium in the inner and outer segments of control and blue‐light‐exposed rat retinas.Methods: Rats were exposed to blue light at a retinal dose of 380 kJ/m2. The chlorine and potassium distributions were estimated with a nuclear microprobe.Results: The control retina had a high concentration of potassium and a low concentration of chlorine in the inner segments and a high concentration of chlorine and low concentration of potassium in the outer segments. After light exposure, these elements were redistributed.Conclusion: The redistribution of chlorine and potassium indicated an inactivation of Na/K‐ATPase in the inner segments during blue‐light exposure.
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