The Carl Zeiss IOL MASTER 700 Optical Biometry is a cutting-edge device used in ophthalmology for precise measurements of the eye, particularly for calculating the power of intraocular lenses (IOLs) used in cataract surgery and refractive lens exchange. Using swept-source optical coherence tomography (SS-OCT) technology, this instrument captures high-resolution images of the eye to measure the cornea, anterior chamber depth, and axial length. With its advanced features and user-friendly interface, the IOL MASTER 700 is a crucial tool for ophthalmic surgeons and optometrists to achieve optimal visual outcomes for their patients.