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West Indian punctate keratopathy

B F McLendon¹, M T Kunesh, E L Graig

¹International Eye Foundation, Bethesda, Maryland.

|September 1, 1993

Summary

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West Indian punctate keratopathy, a corneal condition, was identified in 128 patients. This study details its prevalence, clinical presentation, and histopathological findings in a Grenadian population.

Area of Science:

Ophthalmology
Corneal Diseases
Histopathology

Background:

West Indian punctate keratopathy (WIPK) is a corneal condition.
Its prevalence and specific characteristics in the Caribbean population require further elucidation.

Purpose of the Study:

To investigate the prevalence and clinical features of WIPK.
To analyze the histopathological aspects of WIPK lesions.

Main Methods:

Ophthalmic examination of 2,048 patients in Grenada.
Clinical data collection on lesion characteristics, patient demographics, and medical history.
Histopathological and immunoperoxidase analysis of corneal biopsies from 11 affected patients.

Main Results:

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WIPK was found in 128 patients (6.25%), predominantly in Black individuals.

Lesions were asymptomatic, non-traumatic, typically unilateral, and located in the paracentral cornea.

Histopathology revealed lipid deposits in Bowman's layer and adjacent stroma, with epithelial and basement membrane changes.

Conclusions:

WIPK is a distinct corneal entity observed in the West Indies.
The condition is characterized by specific histopathological findings, suggesting a lipid-related etiology.
Further research may clarify the underlying mechanisms and long-term implications of WIPK.