Role of Ultrasound Biomicroscopy for Zonular Evaluation in E
A Study was conducted to evaluate the role of ultrasound biomicroscopy (UBM) in detecting zonular abnormalities in eyes with ocular trauma.

Prospective study of 143 eyes of 143 patients with ocular trauma and having opaque media was evaluated using a UBM. The presence or absence of zonular damage (zonular tears and/or zonular stretching) was examined and the clock-hour involvement was noted.

Results:
--101 eyes had blunt trauma (70.63%; group 1), while 42 eyes had penetrating trauma (29.37%; group 2)

--The mean age of the patient population was 48.01± 17.93 years with a male:female ratio of 2.11:1. Group 1 had significantly greater visual acuity than group 2.

--Zonular damage was present in 79 eyes, including zonular tears (48 eyes) and zonular stretching (31 eyes).

--Zonular damage was seen significantly more in eyes with blunt trauma (64.28%) as compared to penetrating trauma (25.74%).

--On quantitative analysis, zonular damage between 3 and 6 clock hours was most frequent, both in eyes having zonular tears and zonular stretching.

--Additionally, 3– 6 clock hours of zonular stretching was seen significantly more in blunt trauma as compared to penetrating trauma.

UBM, in particular, is a useful imaging modality for detecting zonular abnormalities in individuals with ocular injuries and opaque media. The ability to detect the presence of zonular weakness and quantify it using a UBM is crucial for developing the best surgical strategy and avoiding any unfavorable surgical consequences.

Source: https://www.dovepress.com/ultrasound-biomicroscopy-for-zonular-evaluation-in-eyes-with-ocular-tr-peer-reviewed-fulltext-article-OPTH
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