Optical coherence tomography (OCT) is a new, noninvasive, noncontact, transpupillary imaging technology which can image retinal structures in vivo with a resolution of 10 to 17 microns. Cross-sectional images of the retina are produced using the optical backscattering of light in a fashion analogous to B- scan ultrasonography. The anatomic layers within the retina can be differentiated and retinal thickness can be measured.
The appearance of a variety of posterior segment pathologies using OCT has been described. These include diabetic retinopathy, macular holes, epiretinal membranes, cystoid macular edema, central serous choroidopathy and optic disc pits.
Normal Retinal Anatomy
Normal Fovea OCT Image
Macular Holes
Macular Holes (before and after successful and unsuccessful surgical repair)
Epiretinal membrane
Posterior vitereous detachmentFluid Accumulation within the Retina
Central serous chorioretinopathy
Retinal pigment epithelial detachment
Cystoid macular edema
Retinoschisis
Diabetic retinopathyDisorders of the Optic Nerve
Normal disc appearance
Congential pit of the optic nerve head
Dis edema in inflammatory optic neuropathyOther Images
Hisptopathological correlation
Choroidal Nevus
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Main Number: 212-979-4000 • Physician Referral Line: 212-979-4472
