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Clinical Evidence

Research & Publications

Over a decade of peer-reviewed research, clinical studies, and published trade journal articles.

10-Year ReviewDundas & Levy
A 10-Year Review of the Earlens System Part 1
Speech understanding data and bandwidth processing benefits.
10-Year ReviewDundas & Levy
A 10-Year Review of the Earlens System Part 2
Perceptual benefits regarding naturalness and sound quality.
10-Year ReviewDundas & Levy
A 10-Year Review of the Earlens System Part 3
Restoration of loudness via CAM2HF fitting algorithm and direct drive approach.
Case StudyStreet
Innovative Hearing Device for the Treatment of Mild to Severe Sensorineural Hearing Loss
Case study on Earlens for mild to severe sensorineural hearing loss.
Trade JournalStruck & Prusick
Comparison of Real-world Bandwidth in Hearing Aids vs Earlens Light-driven Hearing Aid System
Published in Hearing Review, March 2017.
Trade JournalDundas & Levy
The Earlens Light-Driven Hearing Aid: Top 10 Questions and Answers
Published in Hearing Review, February 2018.
ConferenceMcElveen et al.
Overcoming High-Frequency Limitations of Air Conduction Hearing Devices Using a Light-Driven Contact Hearing Aid
COSM 2017 presentation.
ConferenceEskridge et al.
Sound Quality Comparison of Streamed Audio Through MFi-Compatible Acoustic Aids and a Contact Hearing Aid
AAA 2019 presentation.
ConferenceDundas
The Magic of Direct Drive: What makes the sound quality of direct drive hearing aids so good?
AAA 2019 presentation.
Peer-ReviewedPuria et al.
Temporal-Bone Measurements of the Maximum Equivalent Pressure Output and Maximum Stable Gain of a Light-Driven Hearing System
2015 study on the mechanical stimulation of the umbo.
Peer-ReviewedPerkins et al.
The Earlens System: New Sound Transduction Methods
December 2009 foundational study.
Peer-ReviewedPerkins
Earlens Tympanic Contact Transducer: A New Method of Sound Transduction to the Human Ear
Original 1996 study by Dr. Rodney Perkins.
Peer-ReviewedLevy et al.
Extended High-Frequency Bandwidth Improves Speech Reception in the Presence of Spatially Separated Masking Speech
2015 study on extended high-frequency bandwidth benefits.
Peer-ReviewedKhaleghi & Puria
Attenuating the Ear Canal Feedback Pressure of a Laser-Driven Hearing Aid
March 2017 study on feedback attenuation.
Peer-ReviewedGantz et al.
Light-Driven Contact Hearing Aid for Broad-Spectrum Amplification: Safety and Effectiveness Pivotal Study
2016 FDA pivotal study on safety and effectiveness.

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