Radiographic Head and Neck Positional Changes in Response to Usage of Low-powered Prismatic Lenses
Radiographic Head and Neck Positional Changes in Response to Oculomotor Muscles Tonic Modification Using Low-powered Prismatic Lenses
Lisbon Academic Medical Center - Centro Académico de Medicina de Lisboa
20 participants
Mar 27, 2023
INTERVENTIONAL
Conditions
Summary
This study aims to investigate the short-term modifications in head and neck positioning by usage of low-powered prismatic lenses in patients with Postural Deficiency Syndrome (PDS). A matched pair observation study was designed. Evaluation is carried out using low dose biplanar radiography before treatment and 15 minutes after lenses application.
Eligibility
Inclusion Criteria4
- Presentation of diagnostic criteria for Postural Deficiency Syndrome comprising of
- Two or more cardinal signs of Postural Deficiency Syndrome
- Clinical presentation of asymmetrical stance and head extension and rotation
- Presence of typical directional pseudoscotoma described in this syndrome
Exclusion Criteria5
- Vision under 8/10, strabismus or nistagmus;
- Previous eye or vestibular surgery;
- Known disease affecting the central nervous system or inner ear;
- Medication with known interference with balance and posture and
- treatment for postural and movement disorders in the previous year.
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Interventions
Participants perform biplanar X-ray before and after lens application
Locations(1)
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NCT07532642