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What is Video-stroboscopy?

Video-stroboscopy is a specialised procedure designed to examine the voice box. It involves the use of a thin, flexible endoscope equipped with a miniature camera and connected to a stroboscopic light source.The scope is gently inserted through the nostril to provide a detailed view of the nasal cavity, nasopharynx (located at the back of the nose), oropharynx, hypopharynx (the entire length of the throat), and ultimately, the vocal cords.


During the video-stroboscopic examination, patients are instructed to produce various vocal sounds, allowing the ear, nose, and throat (ENT) specialist to assess the movement and function of the vocal cords in detail. The stroboscopic light source synchronises with the patient’s vocalisations, creating a slow-motion effect that enables accurate observation of vocal cord vibration. This detailed examination helps diagnose voice disorders such as nodules, polyps, and paralysis. Once the diagnosis is made, an appropriate treatment plan will be prescribed to address the underlying condition and improve voice quality and function.


This procedure is performed within a clinic and may or may not involve local anaesthesia to ensure patient comfort throughout the procedure. Registered as a day-surgery procedure, this treatment is eligible for reimbursement through Medisave or your personal insurance.

When Should You See an ENT Specialist in Singapore?

Please consult an ENT specialist if you are suffering from any ear, nose, or throat symptoms. It is also advisable to visit an ENT doctor if you experience persistent mouth breathing due to a chronic blocked nose or encounter snoring issues.

Dr Ker Liang sees adults and children for general ENT conditions and provides comprehensive management in a broad range of Ear, Nose, and Throat, as well as Head and Neck conditions. In particular, she specialises in treating throat and voice conditions, including persistent sore throat, voice issues, snoring, and Obstructive Sleep Apnoea (OSA).

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Dr Ker Liang
ENT Surgeon

MBBS (S’pore), MRCS (Edin),

Specialising in the diagnosis and treatment of a wide range of conditions affecting the

ENT system, our doctor brings expertise, compassion, and a personalised approach to

every patient interaction. From common concerns such as allergies and sinus issues to

more complex conditions like hearing loss and throat disorders, our ENT specialist is

equipped to address your unique health needs with skill. 

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