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Integrated optical coherence tomography and reflectometry system for ocular anterior segment imaging and tear film thickness evaluation

机译:集成光学相干断层扫描和反射仪系统,用于眼前节成像和泪膜厚度评估

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摘要

We report an integrated optical coherence tomography (OCT) and reflectometry system for ophthalmology imaging. The dual-functional device provides a complementary high-resolution tear film evaluation by reflectometry and anterior segment imaging by OCT, offering a more comprehensive anterior segment examination. The imaging measurement capabilities have been demonstrated on a human eye as well as on a model eye. The minimum measured tear film thickness is 0.3 μm with measurement resolution of less than ±0.58% of film thickness yet the OCT anterior segment offers a depth resolution of 7 μm with a 45-nm bandwidth superluminescent light source at 840-nm center wavelength. The integrated system has demonstrated the capability for three-dimensional imaging in the anterior segment of the eye.
机译:我们报告了眼科成像的集成光学相干断层扫描(OCT)和反射仪系统。该双功能设备通过反射法和OCT进行的前段成像提供了互补的高分辨率泪膜评估,从而提供了更全面的前段检查。成像测量功能已经在人眼和模型眼睛上得到了证明。最小的泪膜厚度测量值为0.3μm,测量分辨率小于膜厚度的±0.58%,而OCT前段的深度分辨率为7μm,中心波长为840 nm的45 nm带宽超发光光源。该集成系统已经证明了在眼前节中进行三维成像的能力。

著录项

  • 来源
    《Optical engineering》 |2014年第6期|061705.1-061705.6|共6页
  • 作者单位

    University of Miami Department of Electrical and Computer Engineering 1251 Memorial Drive Coral Gables, Florida 33146;

    University of Miami Department of Biomedical Engineering 1251 Memorial Drive Coral Gables, Florida 33146;

    University of Miami Department of Electrical and Computer Engineering 1251 Memorial Drive Coral Gables, Florida 33146;

    University of Miami Department of Electrical and Computer Engineering 1251 Memorial Drive Coral Gables, Florida 33146;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    imaging systems; coherence optical systems; reflectometers; interferometry; ophthalmology; optical devices;

    机译:成像系统;相干光学系统反射计干涉测量眼科;光学设备;

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