Menu
Recruiting NCT07532642

Radiographic Head and Neck Positional Changes in Response to Usage of Low-powered Prismatic Lenses

No phase Interventional Postural Neck Pain Postural Imbalance Postural Disorders

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: Prismatic low-powered lenses.
Who it may be relevant to
Registry conditions: Postural Neck Pain, Postural Imbalance, Postural Disorders. Basic parameters: from 18 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
Portugal
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →

Unsure about the terms? Read our patient guide →

Official title

Radiographic Head and Neck Positional Changes in Response to Oculomotor Muscles Tonic Modification Using Low-powered Prismatic Lenses

Overview

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.

Interventions

  • Device Prismatic low-powered lenses
    Participants perform biplanar X-ray before and after lens application

Primary outcome measures

  • Radiographic modification of pelvic tilt angle [Time frame: From enrollment to second radiographic evaluation on day 1]
  • Radiographic modification of C0 inclination [Time frame: From enrollment to second radiographic evaluation at day 1]
  • Radiographic modification of cervical spinal vertical alignment [Time frame: From enrollment to second radiographic evaluation at day 1]
Secondary outcome measures (4)
  • Radiographic modification of cervical lordosis [Time frame: From enrollment to second radiographic evaluation at day 1]
  • Radiographic modification of inclination of C1 [Time frame: From enrollment to second radiographic evaluation at day 1]
  • Radiographic modification of inclination of C2 [Time frame: From enrollment to second radiographic evaluation at day 1]
  • Radiographic modification of global spinal vertical alignment [Time frame: From enrollment to second radiographic evaluation at day 1]

Eligibility criteria

Inclusion criteria

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 criteria

  • 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.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation
N/A
Model
Single group
Masking
Open label
Primary purpose
Basic science

Study locations

Portugal · 1 center
  • CAML — Lisbon

Identifiers

NCT: NCT07532642 · Refª. Nº 282/21

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗