It is a device used to determine the strength of the lens inside the eye before a cataract removal operation by measuring the anatomical features using a non-contact technique, which measures the focal length through an optical system called SWEPT Source Biometry that provides 2000 images per second with high efficiency to provide the best results in Refractive surgery. Axial length is defined as the distance from the top of the cornea to the fovea of the retina along the optical axis, where the focal length is a variable necessary to calculate the power of the lens that will be implanted...
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