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Related Experiment Video

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A Reproducible Computerized Method for Quantitation of Capillary Density using Nailfold Capillaroscopy
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OCTA: A Practical Method of Image Averaging Using Adobe Photoshop Software.

Mirriam Mikhail, Shangjun Jiang, Paul Hahn

    Ophthalmic Surgery, Lasers & Imaging Retina
    |December 27, 2019
    PubMed
    Summary
    This summary is machine-generated.

    Adobe Photoshop CC 2017 can effectively average ocular coherence tomography angiography (OCTA) images, enhancing clarity for retinal specialists. This method improves visualization of the foveal avascular zone and vasculature in OCTA imaging.

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    Area of Science:

    • Ophthalmology
    • Medical Imaging
    • Image Processing

    Background:

    • Ocular coherence tomography angiography (OCTA) is crucial for retinal imaging.
    • Averaging OCTA images can improve diagnostic quality.
    • Standardized methods for OCTA image averaging are needed.

    Purpose of the Study:

    • To describe and assess a method for averaging OCTA images using Adobe Photoshop CC 2017.
    • To evaluate the feasibility and effectiveness of Photoshop as an OCTA image averaging tool.

    Main Methods:

    • Three OCTA images per eye were acquired and exported as TIFF files.
    • Images were imported into Adobe Photoshop CC 2017, aligned automatically, and averaged using Smart Objects.
    • Retinal specialists qualitatively assessed image clarity, vessel delineation, and identification of abnormal vasculature.

    Main Results:

    • Adobe Photoshop CC 2017 successfully aligned and averaged OCTA images with at least 40% overlap.
    • Averaged images were preferred by specialists for clarity of the foveal avascular zone (87%), blood vessel delineation (89%), and identification of abnormal vasculature (69%).

    Conclusions:

    • Adobe Photoshop CC 2017 is a viable and effective tool for averaging OCTA images.
    • This accessible software can produce high-quality OCTA images for various pathological conditions.