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Covering the gap in depth resolution between OCT and SLO in imaging the retina

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dc.contributor.author PODOLEANU, Adrian Gh.
dc.contributor.author ROGERS, John A.
dc.contributor.author SURUCEANU, Grigore I.
dc.contributor.author JACKSON, David A.
dc.date.accessioned 2022-04-22T09:55:16Z
dc.date.available 2022-04-22T09:55:16Z
dc.date.issued 2001
dc.identifier.citation PODOLEANU, Adrian Gh., ROGERS, John A., SURUCEANU, Grigore I. et al. Covering the gap in depth resolution between OCT and SLO in imaging the retina. In: Coherence Domain Optical Methods in Biomedical Science and Clinical Applications 5. 2001. –V. 4251, pp. 220-227. en_US
dc.identifier.uri https://doi.org/10.1117/12.427898
dc.identifier.uri http://repository.utm.md/handle/5014/20212
dc.description Access full text - https://doi.org/10.1117/12.427898 en_US
dc.description.abstract Two instruments are now available for high depth resolution imaging of the retina. A scanning laser ophthalmoscope is a confocal instruments which can achieve no more than 0.3 mm depth resolution. A longitudinal OCT instrument uses a superluminescent diode which determines a depth resolution better than 20 microns. There is a gap in depth resolution between the two technologies. Therefore, different OCT configurations and low coherence sources are investigated to produce a choice of depth resolutions, and to cover the gap between the old confocal technology and the new OCT imaging method. We show that an instrument with adjustable depth resolution is especially useful for the en-face OCT technology. Such an instrument can bring additional benefits to the investigation process, where different requirements must be met. For instance, a poor depth resolution is required in the process of positioning the patient's eye prior to investigation. A good depth resolution is however necessary when imaging small details inside the eye. The utility of the OCT en-face imaging with adjustable coherence length for diagnostic is illustrated by images taken from the eye of a volunteer. Images with a similar aspect to those produced by a scanning laser ophthalmoscope can now be obtained in real time using the OCT principle. en_US
dc.language.iso en en_US
dc.publisher SPIE en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject retina en_US
dc.subject scanning laser ophthalmoscopes en_US
dc.subject depth resolved imaging en_US
dc.title Covering the gap in depth resolution between OCT and SLO in imaging the retina en_US
dc.type Article en_US


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