1. Head Tilt Significantly Affects OCT Image Orientation

    Head Tilt Significantly Affects OCT Image Orientation

    Head tilt can impact the orientation of posterior pole images. Knowing this, a team of Canadian researchers conducted a study of 56 healthy patients to determine the effect of head tilt on image orientation measured by the fovea-Bruch’s membrane opening (FoBMO) angle with optical coherence tomography (OCT) imaging. The researchers measured head tilt by affixing a smartphone with a built-in gyroscope to each patient's head. They then performed OCT imaging in both eyes at 0°, 5° and 10° of head tilt in the direction of the imaged eye (ipsilateral head tilt) and in the opposite direction (contralateral head ...

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