Abstract

Optical coherence tomography is a new type of medical imaging technology based on optical coherence characteristics in nearly twenty years.Since it need not contact with eyes when getting images,OCT has unique value in diagnosis of ocular trauma and examination before ophthalmic surgery.With an expression of pseudo color image and grayscale image,it can intuitively manifest anterior ocular segment (cornea,anterior chamber and anterior chamber angle,iris,ciliary body,lens,etc),retina and choroid,with information of shape,thickness and structure.This technology has many advantages,such as simply and fast operating,good repeatability,reliable data,high resolution,safe and noninvasive,etc.OCT has great application value in ophthalmic clinical work.This article will give a general review of the normal images,application in diagnosis of ocular trauma and ophthalmic diseases,and the late development of OCT. Key words: Optical coherence tomography; Trauma; ocular; Surgery,ophthalmic

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