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Concomitant keratoconus and macular corneal dystrophy.

Mohammad-Ali Javadi¹, Alireza Baradaran Rafee'i, Nasser Kamalian

¹Department of Ophthalmology, Tehran University of Medical Sciences, Tehran, Iran. ma-javadi@yahoo.com

|June 29, 2004

Summary

This study reports the first known cases of co-occurring keratoconus and macular corneal dystrophy in siblings. Further research may explore a potential genetic link between these rare corneal conditions.

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Area of Science:

Ophthalmology
Genetics
Corneal Diseases

Background:

Keratoconus is a progressive thinning of the cornea.
Macular corneal dystrophy is a rare inherited condition affecting corneal clarity.
Concomitant presentation of these conditions is exceptionally rare.

Observation:

Two siblings presented with simultaneous clinical and topographical evidence of keratoconus and macular corneal dystrophy.
Ophthalmologic examinations and computerized videokeratography were performed.
Histopathologic analysis of corneal buttons from one patient confirmed the clinical diagnosis.

Findings:

The study identified a rare concurrence of keratoconus and macular corneal dystrophy.
Histopathology confirmed the clinical diagnosis in one case.
This concurrence was observed in siblings, suggesting a potential genetic component.

Implications:

This is the first reported instance of this dual diagnosis in the English literature.
The findings may prompt further investigation into the shared pathophysiological or genetic mechanisms.
Understanding this link could improve diagnostic and therapeutic strategies for corneal dystrophies.