Radiologically defining horizontal gaze using EOS® imaging – a prospective study of healthy subjects and a retrospective audit

Background ContextAs sagittal alignment of the cervical spine is important for maintaining horizontal gaze, it is important to determine the former for surgical correction. However, horizontal gaze remains poorly-defined from a radiological point-of-view.PurposeTo establish radiographic criteria to define horizontal gaze.Study design/SettingThis study was conducted at a tertiary healthcare institution over a 1-month period.Patient SampleA prospective cohort of healthy patients was used to determine the best radiological criteria for defining horizontal gaze.

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