The use of optical coherence tomography in the assessment of diabetic retinopathy and maculopathy
This review was performed to assess the use of optical coherence tomography in diabetic retinopathy and maculopathy and its application in the diagnosis and management of these conditions. A comprehensive literature search on MEDLINE was performed for studies published until 2013 with key words ‘diabetes mellitus’, ‘optical coherence tomography’, ‘diabetic retinopathy’, ‘diabetic maculopathy’, ‘intersessional repeatability’, ‘diurnal variation’, ‘fundus autofluo- rescence’ and ‘treatment’. Search results were limited to studies published in English and in human subjects only. The Early Treatment Diabetic Retinopathy Study established the current standard of care for diabetic retinopathy and maculopathy with the diagnosis based on slit-lamp biomicroscopy, indirect ophthalmoscopy, and fluorescein angiography. There has been a recent shift to the use of optical coherence tomography in the qualitative and quantitative assessment of such diseases. Furthermore, the advancement of optical coherence tomography from time-domain to spectral- domain technology allows us to visualize pathological changes of diabetic maculopathy in details in different retinal layers. Such observed changes have been used to establish new classifications of diabetic maculo- pathy. The high sensitivity and quantitative nature of optical coherence tomography make it a highly popular modality used extensively to monitor disease progression and efficacy of new treatment modalities. Optical coherence tomography plays a crucial role in the modern clinical management of diabetic retino- pathy and maculopathy. Its use has revolutionized the understanding and management of these eye diseases.
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