Test Detail

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Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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Facial Nerve With Blink Reflex

This test is for
Male, Female
Test Preparation
  1. Tell your radiologist if you have metallic implants like pacemaker, cochlear implants, aneurysm clips, neuro-stimulator, surgical staples/clips or drug implants


What is Facial Nerve With Blink Reflex?

Facial nerve with blink reflex is an electrodiagnostic test to detect (cranial nerve) brain nerve and brain stem function. During the test, the response signal from the brain nerves and muscles are monitored by fitting electrode (sticky pad) on your eyebrow and cheek of the face. Electrical response are captured in the monitor and recorded for further evaluation which may take 20-30 minutes.

Why is Facial Nerve With Blink Reflex done?

  1. To diagnose facial nerve palsy (paralysis of the facial nerve due to accidental injury which leads to paralysis or weakness on the face with a drooping eyelid)
  2. To detect horner’s syndrome (injury of the brain stem) and blepharospasm (inability to open eye)
  3. To find out absence of the tone where the patient fails to close the forced opened eye in case of coma
  4. To evaluate collier’s symptom (upward displacement of the upper eyelid or downward displacement of the lower eyelid thereby exposing the white part of the eye) due to midbrain lesion or inflammation


Bharat X-Ray Clinic provides diagnostic test services at attractive rates, with a guarantee to deliver reports within 72 hrs based on the test conducted. It provides comprehensive range of lab tests covering more than 172 tests.
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