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360 million people worldwide have disabling hearing loss[1]. In India, 63 million people suffer from significant auditory loss[2]. However, it is estimated that half of all the cases can be prevented through public health measures. In children under 15 years of age, 60% of hearing loss is attributable to preventable causes which overall helps in reducing annual global cost.[3]

The conventional method for screening of ear conditions involves the use of traditional Otoscope under the supervision of an expert. Due to non-availability of ear-experts in rural areas, screening for ear conditions is not adequately done.

Our Ear Imaging Tool is an innovative device to image conditions and infections of the middle ear. It comprises of a smartphone compatible (OTG enabled) camera that helps in visualizing the middle ear and screening for various ear infections. A companion smartphone application helps practitioners keeping patient records, documenting changes over time and annotate images/videos of the ear.

Tool Setup



  • Smartphone compatible & OTG supported
  • Can visualize the ear canal, up to the eardrum
  • Can be used to capture images & videos 

  • Ergonomic design
  • Robust fitment module for detachable specula
  • Highly portable
Android Application

  • Live visualization of ear canal on the phone screen 
  • Document and annotate captured images
  • Create and maintain patient records

The Ear Imaging Tool is highly affordable and portable, so ideal to be incorporated in a health worker’s kit. It can be used for mass screening of middle and outer ear conditions to detect early-stage abnormalities, which can impact millions.


Ramesh Raskar

Associate Professor and head of the MIT Media Lab’s Camera Culture research group


Anshuman Das | Optics lead + Mentor

Postdoctoral Associate at Massachusetts Institute of Technology

Krishna Rastogi | Hardware specialist

Innovation Engineer, REDX Innovation Lab, Mumbai

Sonali Patel | Design lead

Product Designer, REDX Innovation Lab, Mumbai

This project is developed at REDX WeSchool

This project is supported by

Contact Us

REDX WeSchool, Welingkar Building, Lakhamsi Nappu Road, Matunga East, Near Matunga Central Railway Station, Mumbai, Maharashtra 400019

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