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Year : 2019  |  Volume : 6  |  Issue : 2  |  Page : 21-26

Optical coherence tomography in glaucoma

Department of Ophthalmology, G.M.C., Chandrapur, Maharashtra, India

Correspondence Address:
Dr. Chandan Govind Tiple
S/O G.N. Tiple, Ashok Nagar, Near Ashok Buddha Vihar, Visapur, Tah-Ballarpur, Chandrapur - 442 701, Maharashtra
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DOI: 10.4103/bijo.bijo_3_16

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Optical coherence tomography (OCT) is a commonly used imaging modality in the evaluation of glaucomatous damage. Spectral-domain OCT allows for unprecedented simultaneous ultrahigh-speed, ultrahigh-resolution ophthalmic imaging. The higher resolution, currently at 5–7 μm commercially, can provide images of subtle abnormalities or progression currently not visible with time-domain-OCT and would potentially allow improved segmentation and greater accuracy in measurements of retinal layers. A review of the evidence to date suggests that the retinal nerve fiber layer remains the dominant parameter for early diagnosis of glaucoma and the detection of its progression.

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