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    Imaging technology advances meibomian gland visualization

    Next-generation tool helps determine lipid deficiency, detect MGD in earliest phases

     

    Central dilation, gland truncation, and gland drop out can be clearly visualized in contrast to normal meibomian gland structure.

    About the technology

    The technology works through the use of surface lighting (Dynamic Illumination) that originates from multiple sources. The multiple light sources eliminate glare. This result is in contrast to traditional meibography in which only one light source is used and glare almost always results.

    Another component of the technology (Adaptive Transillumination) changes the intensity of the light across the surface of the illuminator to compensate for variations in the lid thicknesses among patients.

    The clinician can obtain the images through the use of the keyboard at the top of the device. A lid everter that emits multi-angle light helps ensures that all of the meibomian glands are visualized.

    A comparison of images obtained from the new device with those obtained using a traditional meibographer showed the traditional technology may not accurately reflect the status of the meibomian glands—possibly resulting in confusion or misdiagnosis of gland dropout and visible glare. Meibomian glands that appear to be dropped out in traditional, static meibography can be seen with dual-mode Dynamic Meibomian Imaging, according to Dr. Donnenfeld.

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