Earlens Corp.Earlens Corp.

Earlens Corp.'s novel hearing aid uses a processor and light tip to convert sound to light, which is transmitted to a lens inside the ear that stimulates the users own hearing system. The result eliminates the annoying whistling sound that plagues traditional hearing aids. The Menlo Park, CA-based company brought in $53.6 million in venture capital last quarter.

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[image courtesy of the company]