Optical Black Hole in a medium...Hmmmm (Score 1)

If an optical black hole can be created by passing light through a medium that causes the light to slow down relative to the speed of the vortex, does this mean that the observed effect (specific-frequency light can't escape) is caused completely by the vortex? This could lead me to believe that a REAL black hole only creates a gravity well because it creates such a strong vortex in the medium of spacetime. This may already be the common belief of black holes, but I always thought that a black hole was just a massive point in space that sucked stuff straight into it and matter falling into it followed the path of a vortex. Could it be that the gravity well surrounding a singularity is CAUSED by the vortex action around it?