[Prevalence of ocular lesions in children seropositive to Toxocara canis].

Authors:
Address: Unidad de Oftalmología, Hospital Luis Calvo Mackenna, Santiago, Chile.
Journal:

Publication:

abstract

Intraocular invasion by Toxocara canis is one of the most commonly recognized etiologies of uveitis and blindness in children. In order to estimate the Prevalence of ocular lesions caused by toxocariasis in a pediatric referral hospital, we conducted a retrospective analysis of clinical charts of all children seropositive to Toxocara canis, who also had an eye exam between the years 2005 and 2009 at the Calvo Mackenna Children's Hospital in Santiago, Chile. We identified 175 children [mean age 6 years (range 0.66-15)] seropositive to Toxocara canis, who had dilated eye exam. Only one child [(0.57%); 95% CI, -0.55 - 1.69] had ophthalmoscopic findings compatible with Toxocara canis infection. The patient also suffered from decreased vision of the affected eye. The information gained from this study may be of useful for the implementation of algorithms for the ophthalmological examination of children seropositive to Toxocara canis in public hospitals in Chile.

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