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The videonystagmography (VNG) device for vestibular evaluation

Product Image

EquiCOG is a next-generation VNG goggle that tracks eyes and head motion together at 120 fps, helping clinicians pinpoint causes of dizziness, vertigo, and imbalance quickly and objectively.

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Aasha Clinic
Ashish Clinic
True Tone Clinic

Product Features

3D eye + head tracking
3D eye + head tracking
3D eye + head tracking
Simultaneously records head and eye movements in real time, ensuring precise head–eye correlation. 
Torsional nystagmus quantification
Torsional nystagmus quantification
Torsional nystagmus quantification
Accurately measures torsional eye rotations, adding diagnostic precision for complex vertigo.
120 fps dual-eye IR cameras
120 fps dual-eye IR cameras
120 fps dual-eye IR cameras
High-speed infrared cameras capture subtle nystagmus, with slow-motion replay for clarity.
Video Frenzel mode
Video Frenzel mode
Video Frenzel mode
The goggles block the patient’s vision while a magnified live video of their eyes is shown to the clinician. This allows spontaneous or positional nystagmus to appear without fixation suppression, just like Frenzel lenses. 
Guided workflows
Guided workflows with on-screen prompts & head-angle feedback
Guided workflows with on-screen prompts & head-angle feedback
Provides step-by-step prompts with real-time head angle confirmation for error-free testing. 
Configurable positional protocols
Configurable positional protocols
Configurable positional protocols
A VNG machine that supports customizable positional tests with operator prompts for consistent performance.
Auto reports with traces
Auto reports with traces
Auto reports with traces
Reports that include eye movement traces, velocity graphs, and even video clips. These objective records aid documentation, follow-up, and sharing with colleagues or EMRs.
EMR-friendly export
EMR-friendly export
EMR-friendly export
Exports reports of videonystagmography easily into EMRs or research databases in PDF, CSV, or XML formats.
Comfortable, secure headset
Comfortable, secure headset
Comfortable, secure headset
Lightweight, padded goggles ensure patient comfort with fast setup and easy cleaning. 

Product video

Watch how EquiCOG captures eye and head movements in real time. Discover its advanced features that make videonystagmography more precise and clinician-friendly.

Test Protocols

All tests show horizontal/vertical/torsional traces, head angle/velocity, and slow-phase velocity metrics in real time.

Saccades

Saccades

fast eye jumps

Smooth pursuit

Smooth pursuit

follow a moving dot

Gaze holding

Gaze holding

center & eccentric

Optokinetic

Optokinetic

moving stripes

Advantages

Greater diagnostic confidence

Simultaneous eye–head tracking and torsion analysis for clearer insights.

Detects subtle signs

High-speed imaging and fixation-off mode reveal even fine nystagmus.

Streamlined workflow

Guided prompts reduce errors and minimize repeat testing.

Patient-friendly design

Lightweight, secure headset ensures comfort in shorter test sessions.

Ready documentation

Automated reports with traces, video, and exportable data for records or research.

Product Anatomy

EquiCOG
01.

OSA presents differently in women

02.

Symptoms are often missed or misinterpreted

03.

Untreated OSA carries serious health risks

04.

Early screening and diagnosis improve outcomes

Patient Interaction
Guidance on installation, onboarding & calibration.
Tech Support
Operator training (workflows, safety, hygiene).
Tech Support
Remote assistance &
updates.

List of Clinical Applications

BPPV

BPPV

EquifHIT typically shows normal HIT, helping differentiate BPPV from VOR-related disorders; rare canal paresis may mimic neuritis. 

Vestibular neuritis/labyrinthitis

Vestibular neuritis/labyrinthitis

EquifHIT detects unilateral VOR failure via corrective saccades during head impulses; key for diagnosing neuritis or labyrinthitis.

Ménière’s Disease

Ménière’s Disease

EquifHIT may reveal transient VOR deficits during attacks, aiding in episodic vertigo evaluation when symptoms fluctuate.

Superior Canal Dehiscence

Superior Canal Dehiscence

EquifHIT shows normal or hyperactive VOR in low-frequency HIT, supporting the diagnosis of sound/pressure-induced vertigo.

Brainstem/Cerebellar Strokes

Brainstem/Cerebellar Strokes

EquifHIT helps distinguish central vs. peripheral vertigo; normal HIT in PICA stroke, possible HIT+ in AICA due to labyrinth involvement.

Testimonials

We built our tech to be a game-changer, but you don't have to take our word for it. See how leading clinicians are leveling up their practice and transforming patient outcomes.

Akhil
Akhil
As a consultant audiologist, I have been extensively using the VNG (COG) device for vestibular diagnostics, and it has consistently proven to be a reliable and accurate tool. The system is user-friendly, portable, and highly effective for both clinical and bedside assessments. 
Akhil

Audiologist

Vistara Speech and Hearing Clinic - Bangalore

Dr.Ashish Yadav
Dr.Ashish Yadav
Traditional balance assessments offered only a limited view of patient conditions. With EquiCOG and Equipoise from the Equidor range by Taevas, our diagnostic precision has transformed. EquiCOG helps detect even minute balance deficits across somatosensory, central, and peripheral systems, while Equipoise enhances posturography accuracy and treatment planning. The entire installation and support experience with the Taevas team was seamless.
Dr.Ashish Yadav

Advanced Neurology and Super Speciality Hospital - Mahboob Nagar

Dr K.S Rama Raju
Dr K.S Rama Raju
Installing the Taevas-Equidor Balance Lab has significantly enhanced our day-to-day clinical practice. It has proven to be an invaluable tool for accurately diagnosing vestibular disorders and more. The advanced yet user-friendly technology not only elevates the professionalism of our setup but also improves patient experience. I strongly recommend this system setup to all fellow ENT practitioners. 
Dr K.S Rama Raju

M.S(E.N.T), D.N.B SENSES ENT

Hyderabad

Dr. Niyati
Dr. Niyati
Thanks to Taevas Life Sciences, our diagnostic process became faster, smoother, and far more accurate. Their technologies have truly transformed the way we deliver care. We trust Taevas as an essential partner in our mission to help patients thrive.
Dr. Niyati

Unicare Hearing & Speech Clinic - Delhi

Dr. Kalpana Joshi
Dr. Kalpana Joshi
A majority of our BPPV patients have experienced significant benefits. EquiCOG has been especially valuable in differentiating and ruling out other vestibular pathologies, allowing for definitive diagnoses and targeted treatments. Overall, the VNG (COG) is a dependable, precise, and clinician-friendly diagnostic system that has greatly enhanced our vestibular practice and patient outcomes.
Dr. Kalpana Joshi

Vistara Speech and Hearing Clinic - Bangalore

Clinic Installations

More Installations
Hisar ENT Clinic

Hisar ENT Clinic

Hisar – Haryana
EquiCOG

Hisar ENT Clinic

Hisar ENT Clinic, Hisar, has integrated EquiCOG® with hands-on clinical training to strengthen oculomotor and vestibular diagnostics. 
The system enables high-resolution assessment of eye movements, nystagmus, and cranio-oculography, supporting accurate neuro-otological and vestibular evaluation. 

Devraj Urs Medical College

Devraj Urs Medical College

Kolar – Karnataka
EquiCOG

Devraj Urs Medical College

Devraj Urs Medical College, Kolar, has commissioned a Complete Vestibular Lab with EquiCOG®, EquifHIT®, Equipoise®, and EquiCCG®, strengthening teaching, clinical evaluation, and neuro-vestibular diagnostics. 
The lab enables comprehensive assessment of oculomotor function, VOR, postural stability, and vestibulospinal pathways, supporting advanced training, research, and patient care.

KIMS Hospitals

KIMS Hospitals

Mahadevapura – Bangalore
EquiCCG

KIMS Hospitals

KIMS Hospitals, Mahadevapura, Bangalore, led by Dr. Suman Narayana Swamy, has integrated Balance Lab to advance vestibular and balance assessment. 
The system combines ocular, vestibulospinal, proprioceptive, and postural analysis, enabling accurate localization of peripheral, central, and multisensory balance disorders.

Royal Pearl Clinic – ENT & Dental

Royal Pearl Clinic – ENT & Dental

Chennai
EquiCOG

Royal Pearl Clinic – ENT & Dental

Royal Pearl Clinic – ENT & Dental, Chennai, led by Dr. Sathya JD, has integrated EquiCOG® to enhance oculomotor and vestibular diagnostics. 
The system enables high-resolution assessment of eye movements, nystagmus, and VOR responses, supporting accurate differentiation of central and peripheral causes of vertigo.

Adilabad Neuro Super Speciality Hospital

Adilabad Neuro Super Speciality Hospital

Adilabad
EquiCOG

Adilabad Neuro Super Speciality Hospital

Adilabad Neuro Super Speciality Hospital, led by Dr. Mallikarjuna (Neurologist), has integrated EquiCOG® to strengthen neuro-vestibular and oculomotor assessment. 
The system enables high-resolution analysis of eye movements, nystagmus, and VOR responses, supporting accurate evaluation of central and peripheral vestibular disorders.

Sri Lakshmi Surgical Clinic

Sri Lakshmi Surgical Clinic

Tamil Nadu
EquiCOG

Sri Lakshmi Surgical Clinic

Sri Lakshmi Surgical Clinic, led by Dr. Sugritha, has integrated EquiCOG® to enhance vertigo and oculomotor diagnostics. 
The clinic now enables high-resolution assessment of eye movements, nystagmus, and VOR responses, supporting accurate differentiation of central and peripheral vestibular disorders. 

The Balance Clinic, Bhubaneswar

The Balance Clinic, Bhubaneswar

Bhubaneswar
EquiCCG

The Balance Clinic, Bhubaneswar

At the Balance Clinic, under the leadership of Dr. Jyoti Ranjan Pradhan and Dr. Gitasree Pal, a comprehensive Equidor Balance Lab, featuring EquiCOG, EquiCCG, EquiFHIT, and EquiPOISE — now brings a new level of precision to vestibular diagnostics and rehabilitation. 

Experience
Innovation
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Our innovation targets the deepest challenges in healthcare, from patient discomfort to diagnostic uncertainty. We deliver breakthrough solutions that improve compliance, provide swift, accurate diagnoses, and create pathways to healing that never existed before.

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