A good surgical outcome can be obtained in large-angle strabismus with a single surgical procedure, though a randomized controlled study needs to be done to establish whether three-muscle surgeries give better results than two-muscle surgeries.
Autorefraction with Topcon KR-8900 can be used reliably in Indian children older than six years, if conducted under cycloplegia. In mixed astigmatism and children less than six years, it should be corroborated with retinoscopy.
Introduction: The aim of this study was to investigate the role of ultrasound biomicroscopy (UBM) in imaging anterior segment foreign bodies and compare it with conventional B-scan ultrasound and computed tomography (CT).
Materials and Methods: The charts of 18 eyes with anterior segment foreign bodies were reviewed. The rates of detection of foreign bodies using ultrasound, CT scan and UBM were compared.
Results: The foreign body detection rates were 36.5% by ultrasound, 88.9% by CT scan, and 94.4% by UBM. The diagnosis of presence of a foreign body using UBM was made based on high reflective echoes causing shadowing or reverberations. In 7 eyes, UBM detected injury to the zonules, guiding the operative procedure. In the 8 eyes for which all tests were performed, rates of detection of foreign bodies were 25% (2/8) with ultrasound, 87.5% (7/8) with CT, and 100% (8/8) with UBM.
Conclusion: UBM is a valuable adjunct for the accurate localisation of small foreign bodies, including cilia. It offers a higher detection rate than that provided by ultrasound and CT scan.
Key words: B-scan ultrasonography, Computed tomography, Ocular trauma, Retained foreign bodies
An adult worm in the anterior chamber is apparently rare and can present even with a quiet eye. Surgical removal is essential. However, visual prognosis is good.
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