P1 and P4 Purkinje light reflections can be recreated intraoperatively if patient fixation is hindered and may assist in capsulotomy centration during cataract surgery, according to a study.
“When the patient fixates properly, and they’re looking at the microscope light that is coaxial with the surgeon and the surgeon wants to center surgery on their visual axis, Purkinje 1 and Purkinje 4 have a very distinct and reproducible relationship,” study author Vance Thompson, MD, told Healio/OSN. “If the patient is moving their eye because they’re confused or under