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High frequency ultrasound imaging in pupillary block glaucoma
I M Aslanides1, P E Libre, R H Silverman
1Department of Ophthalmology, Cornell University Medical College, New York, NY 10021, USA.
The British Journal of Ophthalmology
|November 1, 1995
Summary
High frequency ultrasound aids in diagnosing pupillary block glaucoma when eye media clarity is poor. This imaging technique assesses iris configuration and anterior chamber depth, confirming the diagnosis.
Area of Science:
- Ophthalmology
- Medical Imaging
Background:
- Accurate diagnosis of pupillary block glaucoma is crucial.
- Ocular media clarity is essential for traditional diagnostic methods.
- Assessing iridotomy patency and anterior chamber depth is key.
Observation:
- High-frequency ultrasonography was employed in three patients with suspected pupillary block.
- The study aimed to evaluate iris configuration, posterior chamber volume, and ciliary body conformation.
- This non-invasive imaging modality was utilized to overcome challenges posed by poor ocular media clarity.
Findings:
- Ultrasonography revealed characteristic signs of pupillary block, including iris bombé.
- A formed posterior chamber was consistently observed in affected patients.
- Lack of anterior rotation of the ciliary processes was a notable finding.
Implications:
- High-frequency ultrasound is a valuable tool for diagnosing pupillary block glaucoma.
- It provides critical diagnostic information when direct visualization is limited.
- This imaging technique can corroborate clinical findings and guide treatment decisions.