Retrodav's Blog (1)

Methods SpragueDawley rats reared under cyclic light were exposed continuously to diffuse blue light (400480 nm) at 0.64 W/m2 for 3 or 6 h after 22 h of dark adaptation. The rats were kept in darkness and killed immediately, 8,16 and 24 h following light exposure. The retinal damage by the blue light was examined with a transmission electron microscope. The cell death was characterised by in situ terminal dUTP nick end labelling (TUNEL) and gel electrophoresis.Results During the 24 h…