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Dizziness, vertigo, and balance disorders are often associated with complex dysfunctions within the vestibular system. Among the various components responsible for maintaining spatial orientation, the otolith organs play a critical role in detecting gravity and linear acceleration. When otolith function becomes impaired, patients may experience symptoms such as dizziness, postural instability, and difficulty maintaining proper spatial perception.
Accurate evaluation of otolith-related disorders requires reliable diagnostic methods that can measure how patients perceive vertical and horizontal orientation. The Subjective Visual Vertical (SVV) and Subjective Visual Horizontal (SVH) tests have become important tools in vestibular assessment, helping clinicians evaluate abnormalities in spatial orientation perception.
To improve the efficiency and accuracy of these assessments, ZEHNIT Medical Technology developed VertiSVV™, an advanced SVV/SVH testing solution that combines immersive virtual reality, high-precision measurement, and intelligent software integration to provide clinicians with a more standardized and efficient diagnostic experience.
A Smarter Solution for Subjective Visual Vertical and Horizontal Testing
Traditional SVV and SVH examinations often require dedicated testing environments to eliminate visual references and obtain reliable measurements. While effective, these methods may involve complex setups and are not always convenient for routine clinical workflows.
VertiSVV™ introduces a more flexible approach by integrating:
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VR goggles for immersive visual isolation
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Wireless controller for intuitive patient interaction
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Intelligent software platform for data analysis and management
By combining hardware and software into one integrated system, VertiSVV™ creates controlled testing conditions while simplifying the examination process for clinicians.
The system is designed to help healthcare professionals evaluate patients' perception of verticality and support the assessment of vestibular disorders related to otolith dysfunction.
Immersive VR Environment for More Reliable Assessment
Accurate SVV/SVH testing requires minimizing external visual interference. External references from the surrounding environment may influence a patient's perception of orientation and affect test reliability.
VertiSVV™ addresses this challenge through a fully enclosed VR-based visual environment. The immersive goggles block external visual cues, allowing patients to focus only on the provided visual target during testing.
This controlled environment helps create more consistent examination conditions and supports more objective evaluation of vestibular-related spatial perception.
By reducing environmental interference, VertiSVV™ enables clinicians to focus on the patient's actual vestibular response rather than external influences.
High-Precision Measurement with Wireless Control
During an SVV/SVH examination, patients adjust the position of a visual target until they perceive it as perfectly vertical or horizontal.
VertiSVV™ uses an ergonomic wireless controller that allows patients to adjust the target smoothly with one hand. The system records the deviation angle and provides precise measurement results.
Key advantages include:
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Single-hand operation
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Smooth adjustment experience
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Real-time angle calculation
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Measurement accuracy up to ±0.2°
This high-precision approach helps clinicians capture subtle deviations in vertical perception, providing valuable information for vestibular evaluation and clinical decision-making.
Real-Time Visualization of Head Position and Target Alignment
Patient positioning plays an important role in SVV/SVH assessment. Changes in head orientation can influence vestibular perception and must be accurately monitored during testing.
VertiSVV™ provides real-time visualization of:
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Patient head orientation
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Visual target position
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Alignment status
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Measurement deviation
Through immediate feedback from the software interface, clinicians can ensure that testing conditions remain appropriate throughout the examination.
This real-time monitoring improves operational consistency and helps reduce potential errors caused by incorrect positioning.
Supporting Upright and Tilted Position Testing
Vestibular function is closely connected with the body's ability to understand orientation under different conditions. Evaluating patients in different head positions can provide additional information about vestibular processing.
VertiSVV™ supports testing under both upright and tilted positions, allowing clinicians to evaluate changes in vertical perception during different postural conditions.
This flexibility makes the system suitable for comprehensive vestibular assessments, particularly when clinicians need deeper insight into possible otolith or central vestibular dysfunction.
Integrated Data Management with VertiPACS™
Modern medical diagnostics increasingly rely on digital data management and connected workflows.
VertiSVV™ integrates with VertiPACS™, ZEHNIT’s unified vestibular software platform, enabling centralized management of examination data.
Through this integration, clinicians can benefit from:
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Structured patient information management
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Digital test result storage
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Standardized reporting
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Easier access to historical examination data
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Improved workflow efficiency
The connection between VertiSVV™ and VertiPACS™ allows SVV/SVH testing to become part of a broader digital vestibular diagnostic ecosystem.
Supporting Comprehensive Vestibular Diagnosis
Vestibular disorders often involve multiple functional systems, including eye movement control, balance regulation, and spatial orientation.
VertiSVV™ can be used alongside other ZEHNIT solutions to create a more complete diagnostic workflow, including:
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VertiGoggles™ for eye movement analysis
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VertiChair™ for rotary chair testing and BPPV-related procedures
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VertiPlatform™ for postural stability assessment
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VertiRehab™ for vestibular rehabilitation
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VertiAI™ for intelligent diagnostic support
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VertiPACS™ for centralized data management
This integrated approach helps clinicians evaluate different aspects of vestibular function and develop more comprehensive patient management strategies.
Applications Across Multiple Clinical Settings
VertiSVV™ is designed for use in various healthcare environments, including:
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ENT departments
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Neurology clinics
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Vestibular disorder centers
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Balance laboratories
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Rehabilitation facilities
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Research institutions
The system provides clinicians with a practical tool for assessing patients experiencing:
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Dizziness
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Vertigo
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Balance instability
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Suspected otolith dysfunction
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Vestibular-related spatial orientation disorders
By providing quantitative measurements instead of relying only on subjective observation, VertiSVV™ supports more objective clinical evaluation.
Bringing Precision and Convenience Together
The future of vestibular diagnostics is moving toward greater precision, digital integration, and patient-centered workflows.
VertiSVV™ represents this evolution by combining:
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Immersive VR technology
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Accurate measurement capabilities
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Wireless operation
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Real-time feedback
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Digital data management
This combination allows clinicians to perform SVV/SVH assessments with improved efficiency while maintaining reliable diagnostic standards.
Rather than depending on traditional manual approaches alone, healthcare providers can now utilize a more intelligent and connected solution for evaluating vestibular function.
Conclusion
VertiSVV™ provides a modern approach to subjective visual vertical and horizontal testing by combining immersive virtual reality, high-precision measurement, and integrated software management.
With its ability to create controlled testing environments, accurately measure visual orientation perception, and connect with the broader ZEHNIT vestibular ecosystem, VertiSVV™ helps clinicians gain deeper insights into vestibular function.
As vestibular medicine continues to advance toward digital and precision-based healthcare, VertiSVV™ offers an efficient and reliable solution for improving diagnostic workflows and supporting better patient care.
https://www.zehnit.net/
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