Abstract
The anterior chamber and lens are commonly injured after blunt and penetrating trauma. Due to their anterior position in the skull, these structures are affected by both direct and indirect forces, leading to a variety of clinical findings. In this chapter we discuss the anatomy, as well as the etiology, presentation, management, and prognosis of injuries to the anterior chamber and lens. Hyphema, or blood in the anterior chamber, is a common sequela of blunt trauma to the eye. Its presence often indicates extensive intraocular tissue damage and its associated complications can lead to severe vision loss. Traumatic iritis, or anterior chamber inflammation following blunt trauma, is self-limited and benign. The iris is a thin tissue that lacks structural support, and is particularly susceptible to injury. Iris sphincter tears, iridodialysis, and aniridia are iris injuries that may be encountered. Injury to the crystalline lens is common, and can range from asymptomatic focal opacities to complete cataract formation with severe vision loss. The delicate zonular fibers that hold the lens in position, are easily disrupted following trauma, leading to lens subluxation or dislocation. Surgical management of traumatic lens injury is challenging as damage to the lens capsule and zonules may be found intraoperatively. We also discuss trauma to the pseudophakic eye, in which intraocular lens dislocation and wound dehiscence are possible occurrences after trauma.
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Shaik, N., Arora, J., Liao, J., Rizzuti, A.E. (2017). Trauma to the Anterior Chamber and Lens. In: Kaufman, S., Lazzaro, D. (eds) Textbook of Ocular Trauma. Springer, Cham. https://doi.org/10.1007/978-3-319-47633-9_3
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DOI: https://doi.org/10.1007/978-3-319-47633-9_3
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