Download Emergency Ophthalmology: A Rapid Treatment Guide by Kenneth Chern PDF

By Kenneth Chern

This new guide bargains clinicians specialist assistance at the commonest ophthalmic difficulties that current to a physician on name or to a major care provider's place of work. integrated is every little thing a non-specialist must comprehend to be able to monitor, establish, deal with, and if applicable, refer stipulations on the topic of the attention.

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Emergency Ophthalmology: A Rapid Treatment Guide

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Vision in this case is 20/400. Figure 3-18 Oval preretinal hemorrhage. The blood is trapped between the vitreous and the retinal surface. 72 RUPTURED GLOBE AND SCLERAL RUPTURE HISTORY • Mechanism of trauma â sharp or blunt injury • Prior ocular surgery • Prior ocular injury • Prior tetanus immunization FINDINGS ON EXAMINATION • Decreased vision • Extensive subconjunctival hemorrhage • Limitation of ocular motility • Afferent pupillary defect 48 49 • Extrusion of intraocular contents (Fig. 3-19) • Periorbital ecchymosis • Maxillofacial fractures including orbital blowout fractures • Corneal abrasion • Hyphema • Decreased intraocular pressure • Shallow anterior chamber when compared to fellow eye • Irregular pupil • Iris sphincter tears • Lens dislocation • Vitreous hemorrhage • Commotio retinae (areas of retinal whitening); see also section â • Retinal breaks, tears, or detachment • Choroidal rupture (Fig.

Examination Outline • Slit lamp examination of the cornea may reveal areas of irregular corneal epithelium or a focal epithelial defect. • Loose, poorly adherent sheets of epithelium are present. Treatment • Treat in a similar fashion to corneal abrasion. • Further management provided by the ophthalmologist may include more long-term treatments such as hypertonic saline drops, epithelial debridement, bandage soft contact lens, anterior stromal puncture, and phototherapeutic keratectomy. , often sharp foreign body entering eye) • If foreign body injury, determine the source, composition, and trajectory of the material and possible intraocular retention of foreign material • Prior tetanus immunization Findings on Examination conjunctival laceration (Fig.

Rebleeding is a common complication of hyphema as the blood clot stabilizes and then retracts. Rebleeding usually occurs 2 to 5 days after the initial injury, and the hyphema after a rebleed is often more severe. • Elevated intraocular pressure can occur in hyphema patients if red blood cells or breakdown products clog the trabecular meshwork and inhibit aqueous outflow. High IOP can lead to optic nerve damage, ischemic vascular events in the retina, and corneal blood staining. Surgical evacuation of the blood may be needed.

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