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Optical Coherence Tomography (OCT) by Dr. Himanshu Mehta


Optical coherence tomography (OCT) is a non-invasive imaging test. OCT uses light waves to take croWith OCT, your ophthalmologist can see each of the retina’s distinctive layers. This allows your ophthalmologist to map and measure their thickness. These measurements help with diagnosis. They also provide treatment guidance for glaucoma and diseases of the retina. These retinal diseases include age-related macular degeneration (AMD) and diabetic eye disease.ss-section pictures of your retina.

OCT is useful in diagnosing many eye conditions, including:

  • macular hole
  • macular pucker
  • macular edema
  • age-related macular degeneration
  • glaucoma
  • central serous retinopathy
  • diabetic retinopathy
  • vitreous traction

OCT is often used to evaluate disorders of the optic nerve as well. The OCT exam helps your ophthalmologist see changes to the fibers of the optic nerve. For example, it can detect changes caused by glaucoma.

OCT relies on light waves. It cannot be used with conditions that interfere with light passing through the eye. These conditions include dense cataracts or significant bleeding in the vitreous.

optical coherence tomography eye test
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