August 19, 2024
Brothers Steve and Grant Frisken used to have regular phone hookups on Sundays. Steve, an optical physicist, worked in the telecommunications industry, and Grant led the software development for a corneal topographer (using reflectance light to measure the front surface of the eye). Grant knew that if you could find a way to keep the eye perfectly still, then optical coherence tomography (OCT) would have a whole new life in the ophthalmic field, beyond imaging the back of the eye. If you could remove motion artefacts (caused by the eye's movement), then the micron-level accuracy of OCT could be used to measure the critical surfaces at the front of the eye. These are the measurements you need for the precision of cataract and refractive surgery and monitoring other important ophthalmic eye diseases such as myopia and keratoconus. Grant challenged Steve to devise a new way of using OCT to image the eye, knowing that eye movement will always be present. They…

















