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Bilateral complete isolated cryptophthalmos: a case report.

Deena Egier¹, Robert Orton, Larry Allen

¹University of Western Ontario, London, Ontario, Canada.

Ophthalmic Genetics

|December 15, 2005

Summary

This study details a rare case of isolated cryptophthalmos, a congenital eyelid malformation. The findings highlight unique features and a favorable prognosis for this specific condition.

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Area of Science:

Ophthalmology
Genetics
Developmental Biology

Background:

Cryptophthalmos is a rare congenital eyelid malformation often associated with Fraser syndrome, characterized by syndactyly, urogenital anomalies, and cognitive impairments.
Isolated cryptophthalmos, particularly the bilateral complete form, is exceedingly rare, with few documented cases.
Understanding the spectrum of cryptophthalmos is crucial for accurate diagnosis and genetic counseling.

Observation:

The case presented exhibits features consistent with autosomal dominant bilateral complete isolated cryptophthalmos.
Key defining characteristics include bilateral central dimpling over the globes and normal eyebrow growth.
Crucially, this patient shows an absence of cognitive impairment, distinguishing it from Fraser syndrome.

Findings:

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This report documents the sixth known case of bilateral complete isolated cryptophthalmos.
Phenotypic features differentiating this isolated form from other cryptophthalmos presentations are detailed.
The observed characteristics suggest a distinct clinical entity within the spectrum of cryptophthalmos.

Implications:

The identification of specific phenotypic markers aids in distinguishing isolated cryptophthalmos.
The absence of cognitive impairment suggests a potentially more favorable prognosis compared to syndromic forms.
Further research into the genetic underpinnings and long-term outcomes of isolated cryptophthalmos is warranted.