OCTOCTOptical Coherence Tomography (OCT) is used to obtain a cross-sectional image of your retina to aid in the diagnosis and treatment your retinal disease. It is similar to a small CT or MRI scan of the eye.ENGLISHRElated linksTests And TreatmentRetinal ExamIntravitreal InjectionsUltrasonographyLaser SurgeryOctFluroscein AngiographyOutpatient ProceduresVitrectomyScleral Buckling SurgeryPneumatic Retinopexy