1. Post-Traumatic Localized Corneal Edema: Case Report Tatiana C. Franco, MD Nathalie M. Guibord, MD Geisinger Medical Center Authors have no financial interest

2. Purpose/Objective: To report a case of post-traumatic localized corneal edema due to an inadvertent foreign body in the anterior chamber. To report a case of post-traumatic localized corneal edema due to an inadvertent foreign body in the anterior chamber.

3. Materials/Methods: Case Report Case Report

4. History A 43-year-old man A 43-year-old man Went to ER complaining of blurriness, pain and photophobia 1 day after a rock hit his left eye. Went to ER complaining of blurriness, pain and photophobia 1 day after a rock hit his left eye. Treated as corneal abrasion by the ER staff Treated as corneal abrasion by the ER staff

5. History 2 months later: no improvement 2 months later: no improvement –Referred to ophthalmology Eye exam: mild iritis and central corneal scar. Eye exam: mild iritis and central corneal scar. Treated with topical prednisolone Treated with topical prednisolone Symptoms improved and inflammation resolved Symptoms improved and inflammation resolved

6. History Patient returned 20 months post-injury complaining of blurry vision, red and painful eye Patient returned 20 months post-injury complaining of blurry vision, red and painful eye Worsened VA: from 20/25 to 20/60 in the injured eye Worsened VA: from 20/25 to 20/60 in the injured eye Iritis (mild) Iritis (mild) Inferior corneal edema surrounding old scar Inferior corneal edema surrounding old scar Pachymetry (microns): Pachymetry (microns): –central 639, paracentral 950 and peripheral 983

7. Figure 1. Presentation 20 months post injury showing corneal scar with localized inferior edema.

8. Figure 2. Gonioscopy showing foreign body at 6 o'clock position.

9. Management anterior chamber washout anterior chamber washout

10. Figure 3. Resolution of corneal edema Pre-operative Post-operative

11. Post-AC Washout Endothelial Cell Count and Pachymetry Cell count Cell count Pachymetry Pachymetry –Central: 607

12. Conclusion This case shows that gonioscopy is highly valuable in the thorough evaluation of certain eye injuries This case shows that gonioscopy is highly valuable in the thorough evaluation of certain eye injuries –Especially in those cases where a foreign body is suspected.