Optic Neuritis: Phenomena

There are three phenomena associated with optic neuritis:

Light flashes

Phosphenes, or flashes of light, are usually precipitated by eye movements.

Uhthoff phenomenon

Uhthoff phenomenon or deterioration of vision is induced by exercise, a hot meal or a hot bath.

Pulfrich effect

The Pulfrich effect occurs when latencies between the eyes are unequal, resulting in a sense of disorientation in moving traffic.