Blinking is allowed but the patient must remain as still as possible for the best and quickest images to be captured. NOTE: During OCT tests the patient places his or her chin in a chinrest while pressing their forehead to the forehead rest for several minutes each eye. The Anterior Segment OCT test may be used for Some scans are also able to measure the thickness of the cornea and topographical map of the cornea. Optical coherence tomography (OCT) is noninvasive, noncontact, imaging technique that can make images of structures in the retina with a resolution of 10 to. The OCT test uses a light beam, which is not harmful to the eye, in order to scan and image the front of the eye including the cornea, anterior chamber, the angles in the anterior chamber and the iris. This is a non-invasive test most often performed while the patient is NOT dilated. Optical coherence tomography (OCT) Anterior Segment The Posterior Segment OCT test may be used for: This tracking enables us to not only obtain the highest quality of imagery for each unique eye but also allows us to scan each eye in the exact same area as previous scans, within a degree of one micron, to track for any changes that have occurred. Optical Coherence Tomography (OCT) is a noninvasive and quick cross-sectional imaging technique that uses low-coherence interferometry, which is similar to. The OCT testing system has the ability to track the blood vessels of the eye of each patient. Our physicians can read the maps and see if areas of the retina and optic nerve may be thinner or thicker than normal. The state-of-the-art software used at Wills Eye Hospital allows us to create topographical maps of the eye and compare the data results to a normative database. The light measures the thickness of the macula, retina and optic nerves. Methods. We reviewed the medical records of 56 consecutive eyes with macula-off RRD. The OCT uses a light beam which is not harmful to the eye. Purpose. We evaluated the ability of novel optical coherence tomography (OCT) parameters to predict postoperative best-corrected visual acuity (BCVA) in macula-off rhegmatogenous retinal detachment (RRD) eyes.This is a non-invasive test most often performed while a patient is dilated, although new software allows for patients to be undilated as needed. Optical coherence tomography (OCT) Posterior Segment
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