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Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

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Salzmann nodular degeneration.

Enrique O Graue-Hernández¹, Mark J Mannis, Kasra Eliasieh

¹Department of Ophthalmology and Vision Science, UC Davis Health System Eye Center, University of California, Davis, Davis, CA, USA.

|January 26, 2010

Summary

Salzmann nodular degeneration predominantly affects women and can impact vision. Conservative treatment is often sufficient, but surgery like nodulectomy can be effective when needed.

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Area of Science:

Ophthalmology
Corneal Diseases
Ocular Surface Disorders

Background:

Salzmann nodular degeneration (SND) is a rare, non-inflammatory corneal condition.
Its etiology is uncertain, though ocular surface inflammation may contribute.
SND is characterized by nodular deposits on the cornea, potentially affecting vision.

Purpose of the Study:

To delineate the characteristic, clinical, and epidemiological features of Salzmann nodular degeneration.
To identify factors influencing disease severity and treatment outcomes.

Main Methods:

Retrospective case review of 108 patients (180 eyes) diagnosed with SND.
Data collected included demographics, clinical presentation, coexistent conditions, treatments, and surgical outcomes.
Statistical analyses included descriptive statistics, correlation, and regression models.

Main Results:

The study included 180 eyes from 108 patients (72.2% female), with a mean age of 60.8 years.
Decreased visual acuity (30.6%) and visual axis involvement (30%) were common; Meibomian gland dysfunction (41.7%) was the most frequent coexisting condition.
Correlations showed significant associations between visual acuity, astigmatism, and disease extension in bilateral cases. More than one quadrant affected or central visual axis involvement predicted the need for surgery (P < 0.015).

Conclusions:

Salzmann nodular degeneration primarily affects middle-aged women, with possible links to ocular surface inflammation.
Conservative management is often adequate; superficial keratectomy or nodulectomy yields satisfactory outcomes in most surgical cases (90.2%), though recurrence can occur (21.9%).