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Anterior megalophthalmos
Chien-Kuang Tsai1, Ing-Chou Lai, Hsi-Kung Kuo
1Department of Ophthalmology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan, ROC.
Chang Gung Medical Journal
|June 11, 2005
Summary
This study details a rare case of anterior megalophthalmos in a 36-year-old female, diagnosed through comprehensive ophthalmologic examinations. The condition presented with bilateral megalocornea, deep anterior chambers, and secondary cataract development.
Area of Science:
- Ophthalmology
- Genetics
- Human Biology
Background:
- Anterior megalophthalmos is a rare congenital condition characterized by enlarged corneal диаметer and anterior chamber.
- It is often associated with other ocular anomalies and can lead to complications like glaucoma and cataracts.
Observation:
- A 36-year-old female presented with presenile cataracts (nuclear sclerosis and posterior subcapsular opacity).
- Ophthalmologic examinations revealed bilateral megalocornea with increased corneal diameters (14.0/13.5 mm) and iridodonesis.
- Deep anterior chamber depths (1.772 mm OD, 1.690 mm OS) and unreactive pupils were noted, with cataractous lenses.
Findings:
- The patient was diagnosed with anterior megalophthalmos, distinct from glaucoma, due to bilateral megalocornea and significantly deep anterior chambers.
- Secondary effects observed included iridodonesis, miosis, and cataractous lens changes.
- Gonioscopy, specular microscopy, visual field, and intraocular pressure were within normal limits, ruling out glaucoma.
Implications:
- This case highlights the importance of thorough ophthalmologic evaluation for diagnosing rare conditions like anterior megalophthalmos.
- Recognizing secondary effects such as iridodonesis, miosis, and cataract formation is crucial for patient management.
- Further research into the genetic and developmental factors of anterior megalophthalmos may improve understanding and treatment strategies.