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Self-Optical Coherence Tomography and Angiography.

Ahmad M Mansour1

  • 1Department of Ophthalmology, American University of Beirut, Beirut, Lebanon.

Case Reports in Ophthalmology
|April 18, 2017
PubMed
Summary
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Self-optical coherence tomography (OCT) allows good image quality for macular scans but may be decentered. This technique offers privacy and potential for remote or home use by patients and professionals.

Area of Science:

  • Ophthalmology
  • Medical Imaging Technology

Background:

  • Optical coherence tomography (OCT) is a crucial diagnostic tool in ophthalmology.
  • Current OCT procedures require a trained operator, limiting accessibility and patient privacy.

Observation:

  • This study introduces the concept of self-OCT and self-OCT angiography, where patients or non-specialists operate the OCT device.
  • Ten OCT machines were evaluated for their suitability for self-scanning, with auto-alignment, auto-focus, and auto-shoot features being key.
  • Self-scans performed by an ophthalmologist and optometrists were compared to operator-performed scans for image quality and centration.

Findings:

  • Self-OCT scans achieved comparable image quality to operator-performed scans.
  • However, self-scans of the macula showed a high rate of decentration (37-46%) compared to operator scans (0%).
Keywords:
Auto-ophthalmoscopyMaculaOptical coherence tomographyOptical coherence tomography angiographySelf-examination

Related Experiment Videos

  • Machines with automated features significantly improved the feasibility of self-OCT.

    • Implications:

    • Self-OCT presents a viable option for obtaining good quality macular images with enhanced patient privacy.
    • Potential applications include use by ophthalmic professionals, in remote settings like space stations, and for future home-based self-imaging.
    • Addressing the challenge of macular decentration is crucial for widespread adoption of self-OCT.