We will study how the fruit fly (Drosophila) photoreceptor synapses adapt to light stimulation. In the classic view, neurones are immobile, and their information transfer quantal, with neurotransmitters released from similarly-sized vesicles. Our new results are now changing this view by showing that synaptic communication is morphodynamic: when adapting to light changes, their structures move and are reshaped dynamically. Using Drosophila as our model, we aim to understand how X-ray stimulation, which activates photoreceptors like visible light, adapts synaptic transmission. Employing high-speed X-ray imaging and electroretinograms, ERGs, we will analyse photoreceptor terminal activity with Drosophila's consistent eye layout aiding synapse identification. Extending our prior work on photoreceptors, we will capture real-time axon terminal movements, synaptic vesicle changes, and ERGs under X-ray and visible light. Our objective is to discern how synaptic morphodynamics enhance vision.