Corneal Thinning and Opacity following Selective Laser Trabeculoplasty: A Case Report.
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Date
2014-01-01
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Abstract
Aims: Selective laser trabeculoplasty (SLT) (Lumenis, Santa Clara, CA) was developed
in 1999 as a means to lower IOP in patients with glaucoma. It is a relatively safe
procedure. We report a rare side effect of corneal opacity and stromal haze with corneal
thinning and hyperopic shift following SLT.
Presentation of Case: Case report.
Results: A 50 year-old Asian male who underwent SLT OD developed mild corneal
edema and slightly elevated intraocular pressure (IOP) one day after procedure. He was
prescribed anti-inflammatory drops. One week afterwards, he developed a small corneal
abrasion centrally. He was given topical antibiotics and asked to continue antiinflammatory
drops. On postoperative day 8, his corneal abrasion healed, but he
developed stromal corneal haze. Topical steroids were begun. By postoperative week
#2, his visual acuity and stromal haze had improved. His corneal thickness decreased
from 600 μms to 468 μms. After one year, he had almost complete resolution of his corneal pathology but had residual corneal thinning and flattening.
Discussion: Corneal stromal haze following SLT is a rare side effect. This can result in
corneal scarring with corneal thinning and a hyperopic shift due to corneal flattening.
Physicians and patients should be aware of this potentially vision threatening side effect.
Conclusion: More studies are needed to identify risk factors for the development of
corneal pathology following selective laser trabeculoplasty.
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Keywords
Selective laser trabeculoplasty, corneal thinning, side effect, glaucoma
Citation
Song Julia, Yu David, Song Alice, Palmares Trisa, Song Harold S, Song Michael. Corneal Thinning and Opacity following Selective Laser Trabeculoplasty: A Case Report.British Journal of Medicine and Medical Research. 2014 Jan; 4(1): 279-287.