Calculating the best intraocular lens power for patients undergoing cataract surgery remains a key part of achieving patient satisfaction. But despite constant advances in biometry and ever-improving power-calculation formulas, most practices are still only getting about 80 percent of patients within 0.5 D of the target refraction. Surgeons now have access to an ever-increasing number of complex and highly accurate formulas. So, how should a surgeon proceed? In this feature, experts explain how the measurement and calculation process has evolved, why it still has limits, and what lies ahead. Read More