Compact MEMS-based Adaptive Optics Optical Coherence Tomography for Clinical Use

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We describe a compact MEMS-based adaptive optics (AO) optical coherence tomography system with improved AO performance and ease of clinical use. A typical AO system consists of a Shack-Hartmann wavefront sensor and a deformable mirror that measures and corrects the ocular and system aberrations. Because of the limitation on the current deformable mirror technologies, the amount of real-time ocular-aberration compensation is restricted and small in the previous AO-OCT instruments. In this instrument, we proposed to add an optical apparatus to correct the spectacle aberrations of the patients such as myopia, hyperopia and astigmatism. This eliminated the tedious process of the ... continued below

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12 p. (0.3 MB)

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Chen, D.; Olivier, S.; Jones, S.; Zawadzki, R.; Evans, J.; Choi, S. et al. February 4, 2008.

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Description

We describe a compact MEMS-based adaptive optics (AO) optical coherence tomography system with improved AO performance and ease of clinical use. A typical AO system consists of a Shack-Hartmann wavefront sensor and a deformable mirror that measures and corrects the ocular and system aberrations. Because of the limitation on the current deformable mirror technologies, the amount of real-time ocular-aberration compensation is restricted and small in the previous AO-OCT instruments. In this instrument, we proposed to add an optical apparatus to correct the spectacle aberrations of the patients such as myopia, hyperopia and astigmatism. This eliminated the tedious process of the trial lenses in clinical imaging. Different amount of spectacle aberration compensation was achieved by motorized stages and automated with the AO computer for ease of clinical use. In addition, the compact AO-OCT was optimized to have minimum system aberrations to reduce AO registration errors and improve AO performance.

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12 p. (0.3 MB)

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PDF-file: 12 pages; size: 0.3 Mbytes

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  • Presented at: SPIE Photonics West 2008, San Jose, United States, Jan 18 - Jan 24, 2008

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  • Report No.: LLNL-CONF-401741
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 926071
  • Archival Resource Key: ark:/67531/metadc898128

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  • February 4, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • April 13, 2017, 4:21 p.m.

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Chen, D.; Olivier, S.; Jones, S.; Zawadzki, R.; Evans, J.; Choi, S. et al. Compact MEMS-based Adaptive Optics Optical Coherence Tomography for Clinical Use, article, February 4, 2008; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc898128/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.