25-gauge pars plana vitrectomy in persistent foetal vasculature: Tunisian experience

Poster Details

First Author: A.Trigui TUNISIA

Co Author(s):    S. Ben Amor   M. Sakka   I. Abid   J. Fki                    

Abstract Details


Persistent foetal vasculature (PFV) is a congenital developmental anomaly of the eye resulting from failure of the embryological primary vitreous and hyaloid vasculature to regress. It can be classified as anterior, posterior and combined forms, according to the affected intraocular structures. The purpose of this study is to evaluate visual and anatomical outcomes after 25-gauge pars plana vitrectomy combined to cataract surgery in combined forms of PFV.


Department of ophthalmology, Habib Bourguiba University Hospital, Sfax, Tunisia.


Prospective, descriptive case series of patients with combined PFV presentation, submitted to 25-gauge vitrectomy combined to phacoaspiration and intraocular lens implantation between December 2013 and December 2015. Amblyopia therapy was conducted to all the patients. Follow-up and complications after surgery were recorded.


The study comprised 8 eyes of 7 patients. Age at diagnosis ranged from 3 months to 8 years-old. The initial visual acuity varied from light perception to 3/10. Microphthalmia was noted in 2 eyes. PFV presentation was mild with minimal foetal vascular remnants (only persistent hyaloid artery) in 4 eyes, moderate with persistence of the hyaloid artery with a fibrovascular stalk connected to the optic disc in 2 eyes and severe with large stalk, severe optic nerve dysplasia and retinal fold in 1 eye. Mean follow-up after surgery was 24 months. One patient was lost of view 1 month after surgey. Postoperative complications were posterior synechiae (3 eyes), inflammatory pupillary membrane (1 eye), posterior capsular opacification (1 eye), and retinal detachment and phthisis (1 eye which had had a severe presentation). Visual acuity improved after surgery in 4 eyes, was steady in 2 eyes and worsened with no light perception in 1 eye.


25-gauge pars plana vitrectomy combined to cataract surgery seems to be safe and efficient to treat mild and moderate combined PFV.

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