1. The Use of Optical Coherence Tomography to Demonstrate Dark and Light Adaptation in a Live Moth

    The Use of Optical Coherence Tomography to Demonstrate Dark and Light Adaptation in a Live Moth

    To work effectively, the eyes of nocturnal insects have a problem they must overcome. During the night, the light levels are low, so their eyes need to be very sensitive; but they also need a way of adapting to environmental light conditions, and protecting those sensitive organs, if a bright light is encountered. Human eyes have a pupil that changes size to regulate light input to the eye. Moths (Lepidoptera) use a light absorbing pigment that moves position to limit the light within the eye. This pigment migration is difficult to record because it is a dynamic process and will ...

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