STAAR Surgical is trading 6.2% down at $23.84 in after-hours trading. The decline follows the company's Q2 earnings report: - Revenue of $93.5 million exceeded the consensus estimate of approximately $90 million, marking 111% year-over-year growth. - Despite the revenue beat, management's cautious outlook and guidance may have contributed to the market reaction. - China sales rebounded strongly in the quarter.