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Thygeson superficial punctate keratitis and scarring.

Robert E Fintelmann¹, David W Vastine, Michele M Bloomer

¹F.I. Proctor Foundation, San Francisco, CA, USA. rfintelmann@bdpec.com

|April 13, 2012

Summary

Thygeson superficial punctate keratitis (TSPK) can lead to significant corneal scarring in chronic cases. Topical corticosteroids may be necessary to prevent vision-altering scarring in patients with prolonged disease.

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Area of Science:

Ophthalmology
Corneal Disease
Inflammatory Eye Conditions

Background:

Thygeson superficial punctate keratitis (TSPK) is typically considered a self-limiting condition.
Historically, TSPK was believed to resolve without causing corneal scarring.

Observation:

This study presents four cases of TSPK with prolonged disease duration.
All observed patients developed visually significant corneal scarring.

Findings:

Corneal scarring included thickening, Salzmann nodules, stromal opacification, and Bowman layer disruption.
One patient required an anterior lamellar corneal transplant due to severe scarring.
Pathological findings revealed subepithelial fibrosis and basement membrane thickening.

Implications:

Prolonged inflammation in TSPK can result in irreversible corneal damage.
Topical corticosteroids may be indicated in chronic TSPK to mitigate scarring risk.
This challenges the traditional view of TSPK as a non-scarring condition.