Clinical features of strabismus and nystagmus in bilateral congenital cataracts
Journal Title: International Journal of Ophthalmology - Year 2018, Vol 11, Issue 5
Abstract
"AIM: To evaluate the prevalence, clinical features, and the factors affecting onset of strabismus and nystagmus in patients with bilateral congenital cataracts. METHODS: This study evaluated 116 eyes of 58 patients who underwent lens removal for the treatment of bilateral congenital cataracts between January 1999 and January 2011. The presence and type of strabismus and nystagmus were determined before and after surgery. Type of strabismus and final visual acuity were compared in patients with and without nystagmus. Patients were divided into three groups (orthotropia/orthotropia, orthotropia/strabismus, and strabismus/strabismus) according to their preoperative and postoperative ocular alignment. Age at cataract surgery and associations of nystagmus and primary intraocular lens (IOL) implantation with strabismus were analyzed. RESULTS: Six patients (10.3%) had strabismus preoperatively and an additional 11 (19.0%) developed postoperative strabismus. Exotropia was more common than esotropia both preoperatively and postoperatively. Eighteen patients (31.0%) had postoperative nystagmus, with sensory nystagmus being the most common type. Of the 18 patients with nystagmus, 10 had strabismus, with exotropia being more common than esotropia. Postoperative visual acuity was poor in patients with nystagmus. Age at cataract surgery and rate of primary IOL implantation were significantly lower, and postoperative nystagmus was more common, in the orthotropia/strabismus group than in the other two groups. CONCLUSION: Exotropia and sensory nystagmus are common in patients with bilateral congenital cataracts. Age at cataract surgery and rate of IOL implantation are lower and nystagmus more common in patients with postoperative onset of strabismus. Nystagmus is associated with poor visual prognosis."
Authors and Affiliations
Soo Jung Lee
Keywords
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- EP ID EP489885
- DOI 10.18240/ijo.2018.05.16
- Views 78
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