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Arch Trauma Res. 2016 Jan 12;5(3):e33405. eCollection 2016 Sep.

Traumatic Globe Subluxation and Intracranial Injury Caused by Bicycle Brake Handle.

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1
Department of Ophthalmology, Uludag University, Bursa, Turkey.

Abstract

INTRODUCTION:

Penetration of a bicycle brake handle into the orbit is a rare and serious type of trauma. Globe subluxation due to such trauma has not been previously reported.

CASE PRESENTATION:

A 10-year-old girl presented after falling from a bicycle, which resulted in the handbrake penetrating her right upper eyelid. On examination, the globe was subluxated anteriorly, there was no light perception, and the pupilla was fixed and dilated. Radiologic studies revealed orbitonasal fractures, hemorrhage, emphysema in the orbit and cranium, and rupture of the extraocular muscles. The globe was replaced into the orbit with the help of lateral cantholysis and orbital septotomy. During 22 months of follow-up, the globe remained intact, but total loss of vision, blepharoptosis, and extraocular motility restriction persisted.

CONCLUSIONS:

This case and previous reports show that bicycle brake handles can cause severe, penetrating orbital and cerebral traumas that can result in vision loss or fatality. Brake handles should be designed to protect bicyclists from such injuries.

KEYWORDS:

Brain Injuries; Child; Extraocular Muscle; Optic Nerve Injuries; Orbital Fracture

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