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Optical coherence tomography 10/03/2022


Optical coherence tomography (OCT) is a non-invasive, tomographic optical image technique (image by section) that uses a combination of lights from different receptors to achieve greater resolution. Its millimetre penetration provides high resolution photographs of the different layers of the retina. The latest generation technology used by the Institut means that abnormal details can be identified almost at a cellular level in different layers of the retina and in many different sections covering the whole macular zone, enhancing our capacity to diagnose and monitor different therapies in a range of macular and retinal pathologies. Today it would be unthinkable to deal with a macular pathology without the diagnostic aid of optical coherence tomography.


 Optical coherence tomography (OCT) of the optic nerve (ON) quantitatively measures the optic nerve head and the retinal nerve fibre layer and is very useful in the diagnosis and monitoring of patients with glaucoma.

 Measuring the retinal nerve fibre layer helps us to differentiate between healthy eyes and those affected by glaucoma. Moreover, by comparing results between explorations, we can also detect the progression of glaucoma.

Last modified: 27 March, 2023 - 8:42

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