trace the sequence of events through a reflex arc which occur when a bright light is focussed on your eyes.

Reflex arch is a neural pathway that do not directly pass into the brain, but synapse in the spinal cord. When bright light is focussed on our eyes, this signal do not directly passes into the brain but synapses in the spinal cord which allows us to respond at a much faster rate and this results in immediate closing of our eyes in respond to bright light.