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[Hereditary hyperferritinemia syndrome and cataract].

J Feys¹, M Nodarian, P Aygalenq

¹Service d'ophtalmologie, CHI, Villeneuve Saint-Georges, 94190 France.

Journal Francais D'Ophtalmologie

|March 16, 2002

Summary

Hereditary hyperferritinemia cataract syndrome is an autosomal dominant disorder causing bilateral cataracts and high serum ferritin. This genetic condition, distinct from hemochromatosis, involves L-ferritin gene mutations.

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Area of Science:

Genetics and Ophthalmology
Molecular Biology
Human Disease Syndromes

Background:

Hereditary hyperferritinemia cataract syndrome is a rare autosomal dominant disorder.
It is characterized by elevated serum ferritin levels and bilateral cataracts.
This condition is genetically distinct from hemochromatosis.

Observation:

A family study investigated three members with cataracts and hyperferritinemia.
Elevated serum ferritin levels and bilateral cataracts were observed in a mother and her two sons.
Patients showed normal serum iron and transferrin saturation, ruling out hemochromatosis.

Findings:

Serum ferritin levels were significantly elevated (e.g., 1200 µg/L).
Cataracts presented as fine crystalline cortical opacities.
Genetic analysis revealed heterozygosity for a 16 bp deletion in the L-ferritin gene.

Implications:

The study confirms the genetic basis of hereditary hyperferritinemia cataract syndrome.
It highlights the importance of distinguishing this syndrome from iron overload disorders.
Further research may explore the correlation between ferritin levels and cataract severity.