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Optical Coherence Tomography

If your eye doctor needs to examine your retina, she or he may suggest optical coherence tomography. OCT is a noninvasive test that uses light waves to create 3D or cross-section images of the retina’s layers. The images allow the doctor to compare the thickness of your retinal layers with those in a healthy eye. This helps achieve an accurate diagnosis.

You’ll receive eye drops to dilate the pupils, and you’ll sit in front of the OCT device while resting your chin on a support. Scanning takes about five to ten minutes.

OCT enables diagnosis of eye conditions such as:

  • Macular degeneration
  • Glaucoma
  • Diabetic eye disease
  • Optic nerve damage
  • Macular holes

Because it uses light rays, OCT isn’t suited for conditions that prevent light from passing through your eyes, such as cataracts or bleeding.

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Services Near You

Alta Bates Summit Medical Center | Alta Bates Campus

Alta Bates Summit Medical Center | Alta Bates Campus

2450 Ashby Avenue

Berkeley, CA 94705

(510) 204-4444

Alta Bates Summit Medical Center | Summit Campus

Alta Bates Summit Medical Center | Summit Campus

350 Hawthorne Avenue

Oakland, CA 94609

(510) 655-4000

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