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Werner’s hearing loss in his left ear

All the Light We Cannot See

Werner’s hearing loss in his left ear is presented as a specific bodily condition within a life shaped by radio: he builds, repairs, and listens to sets, and later receives Marie-Laure LeBlanc’s voice through his right ear. The account establishes the impairment through Werner’s experience of a blocked left ear and the contrast with his functioning right ear, but does not explain when or how the loss began.

The Impairment and Its Circumstances

While trapped beneath the Hotel of Bees, Werner works on a damaged transceiver amid hunger, thirst, and the wreckage around him. The narration identifies a blocked sensation in his left ear among the physical conditions he tries not to dwell on. This detail is not presented as a diagnosis or as the result of a specified injury; the evidence leaves its cause unstated.

The radio’s first test does not succeed, and Werner turns back to the set to inspect and adjust it. When he presses the earphone into his right ear, the text makes the side-to-side distinction explicit: his right ear is the one used for listening. The failed test belongs to the damaged apparatus and should not be mistaken for evidence that his hearing loss prevents him from operating it.

Listening Through Radio

Radio has been central to Werner’s experience since childhood. At eight, he finds a crude set made from a wire-wrapped cylinder, pinewood discs, and frayed leads, including one with an earphone. His early fascination with radio develops into technical work: in wartime, he encounters a radio truck carrying listening equipment and transceivers he designed with Dr. Hauptmann. These scenes establish the importance of listening and radio to his life, though they do not date or explain the loss in his left ear.

Under the rubble, Werner assembles a makeshift receiver from salvaged materials. He coils wire around a pipe to form a tuning coil, connects a diode to a battery, and tests the circuit with an earphone. The sequence gives his hearing loss a practical context: reception depends on both a functioning device and the ear through which its signal is heard. His technical concentration continues despite the impairment and the conditions of entrapment.

The Voice in His Right Ear

On Werner’s fourth day beneath the Hotel of Bees, he is tuning the repaired transceiver when a girl’s voice reaches his good ear. The speaker is Marie-Laure LeBlanc, reading in French from Twenty Thousand Leagues Under the Sea. The scene confirms that Werner can hear the transmission through his right ear; it does not suggest that his left-ear loss has ended or been repaired.

The contrast makes the impairment part of the scene’s structure rather than a detached description. Werner’s damaged surroundings and the failure of his initial radio test hold reception in doubt, while the voice comes through clearly enough for him to recognize spoken language. His left-ear loss remains a limit, but the functioning right ear allows the radio to carry Marie-Laure’s voice across the distance between them.