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Purpose: To evaluate the frequency of posterior segment pathologies determined by B-Scan Ultrasonography in patients with congenital cataract.Material and Methods: 204 Patients with congenital cataract admitted in ophthalmology department in Bahawal Victoria hospital Bahawalpur were included in the study. Study period was six months with non probability consecutive sampling. Age range was from new born to five years. Patients having cataract underwent B-Mode Ultrasonography. B-Mode Ultrasonography was done with HISCAN (OPTIKON), by 4th year resident under supervision of consultant ophthalmologist. Outcome variables like vitreous disorders, retinal detachment and intraocular tumours were measured.Results: Ninety female and 114 male patients (total 237 eyes) were analysed. On B-Scan Ultrasonography seventeen eyes (7.17%) showed finding suggestive of posterior segment pathology while two hundred and twenty (92.83%) eyes showed no pathology in posterior segment in patient with congenital cataract. The most common finding was in the vitreous. Five (2.5%) eyes showed persistent fetal vasculature (PHPV) and three (1.5%) showed haemorrhage. Intraocular tumour was present as elevated fundus lesion in 3 (1.5%) eyes. Retinal detachment was present in one (0.5%) eye. Detectable optic nerve lesions were present in four eyes; in 1 eye (0.5%) there was optic disc drusen, elevated optic disc was present in 2 (1%) and one eye (0.5%) showed cupping. Other demonstrable findings were posterior staphyloma in one (0.5%) eye.Conclusion: B-Scan Ultrasonography proves accurate and beneficial in opaque ocular media to detect posterior segment pathologies. There is possibility that some kind of other pathology might be present behind the cataract. B-Mode Ultrasonography should be included as essential investigating tool in evaluation of eyes undergoing cataract surgery in paediatrics population.
Piyya Muhammad Musammat Rafi, Muhammad Rizwan Khan, Muhammad Naeem Azhar. (2013) Evaluation of the Frequency of Posterior Segment Pathologies Determined by B-Scan Ultrasonography in Patients with Congenital Cataract, Pakistan Journal of Ophthalmology, Volume 29, Issue 04.
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