After ripping the sewn seam, the upholstery can be unfolded to expose the back of the vanity assembly. Note the 8 small stamped nuts screwed down onto the plastic pegs that make disassembly VERY difficult.
IF THE IMAGE IS TOO SMALL, click it.
For more info on visor upholstery, see this:

Original vanity bulbs are stamped TS-14V10P.