Alcon's mixed Q4 results, with an EPS beat but a slight miss on sales forecasts, may lead to neutral market reactions. The EPS beat indicates operational efficiency and profitability, which could be positive for investor sentiment. However, the slight miss on sales, despite being close to estimates, might temper optimism. The significant year-over-year sales growth of 8.21% suggests underlying strength in the business, potentially offsetting the short-term impact of the sales miss.