TY - CHAP M1 - Book, Section TI - Eye A1 - Addis, Hampton A1 - Brozek, Joshua A1 - Grumbine, F. Lawson A2 - Feliciano, David V. A2 - Mattox, Kenneth L. A2 - Moore, Ernest E. Y1 - 2020 N1 - T2 - Trauma, 9e AB - KEY POINTSMechanical trauma to the eye is divided into open globe injury, where the sclera and/or cornea (eyewall) have a full-thickness wound, and closed globe injury, where these structures do not have a full thickness-injury.The six extraocular muscles are attached directly to the sclera, which is covered by the thin clear conjunctiva, which itself terminates at the cornea.In the patient’s history, posttrauma floaters and a visual field defect are highly suggestive of a retinal detachment.When trying to measure vision between 1/200 and 20/20, the patient should be wearing his or her eyeglasses.The pupil may be peaked if the iris is sealing (plugging) a corneal or anterior scleral laceration.Computed tomography imaging is used to evaluate orbital fractures, orbital foreign bodies, and intraocular foreign bodies.After the application of appropriate medication, corneal abrasions heal faster without patching.Prior to consultation with an ophthalmologist, routine treatment for a hyphema can be initiated with topical steroid eye drops four times a day and a topical cycloplegic agent.Intraocular foreign bodies are associated with an increased incidence of endophthalmitis that results in poorer visual outcomes after penetrating injury.One of the signs of an orbital floor fracture is decreased skin sensation on the cheek of the affected side. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/03/28 UR - accesssurgery.mhmedical.com/content.aspx?aid=1175133017 ER -