Update and understanding of optical biometer

Abstract

With advances in technology that allow for more accurate measurement of ocular biometric characteristics and the availability of sophisticated methods for calculating intraocular lens (IOL) power, cataract surgery has evolved into a refractive operation. Patient expectations have been raised as a result of this, as well as free and simple access to information about the latest technology. After cataract surgery, there is a greater demand than ever for life without spectacles. Newer advances in optical biometry, such as swept-source optical coherence tomography, combined with the availability of highly accurate IOL power calculation formulae, including artificial intelligence-based formulae, have the potential to enable surgeons to achieve near-perfect outcomes in the majority of their patients. Understanding the benefits and limitations of currently available cutting-edge technologies and equations and applying them to the cataract surgical practice is required to hit the bull’s eye in terms of goal refraction.