He loved the stock when Visx was racking up 20% -plus sales gains and dominating the competition.

FORBES: What Goes Up ...

Visx has been suing users of Nidek lasers because the privately held Japanese company refuses to pay the royalty.

FORBES: Eye strain

But such an outcome would infuriate laser centers already invested in Visx systems.

FORBES: Eye strain

Scavone recently shorted Visx, a provider of laser eye-surgery equipment.

FORBES: What Goes Up ...

But now it's Visx's turn in the doghouse.

FORBES: What Goes Up ...