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Clinical presentations and outcomes of rhegmatogenous retinal detachment in retinitis pigmentosa

Session Details

Session Title: Vitreoretinal Surgery IV

Session Date/Time: Sunday 20/09/2015 | 09:00-10:30

Paper Time: 09:16

Venue: Thalie.

First Author: : V.Dave INDIA

Co Author(s): :    A. Nayaka   S. Pathengay           

Abstract Details

PURPOSE:To describe the clinical presentations and outcomes of rhegmatogenous retinal detachments (RRD) in eyes with retinitis pigmentosa

Setting:

A tertiary eye care institute in South India

Methods:

A retrospective review of all cases of retinitis pigmentosa with RRD from January 1990 to December 2013

Results:

Out of total 28,622 cases of retinitis pigmentosa, 17 eyes of 17 patients had RRD. Mean age at presentation was 34.53±16.42 years (median 32 years). Median duration of decreased vision attributed to RRD was 6 months.13 eyes (76%) had inferior retinal detachment. 9 eyes (53%) had lattice with holes and 8 eyes (47%) had atrophic holes. Significantly there were no horse shoe tears, giant retinal tears, dialysis and macular holes related RRD. 82% of the breaks were in the inferotemporal quadrant. Only 3 eyes (18%) eyes had PVR at presentation. 12 eyes at presentation had BCVA < 20/200 and six eyes had only light perception vision. Mean pre operative visual acuity was 1.4±0.88 logMAR (median 1.3, range 3 - 0.1)(20/502). 6 eyes (35% cases) did not undergo surgery, 5 eyes (30%) underwent scleral buckling and 6 eyes (35%) underwent vitrectomy. Median follow up was 5 months. Reattachment rate at last follow up was 91%. Mean post operative BCVA recorded was 1.06±0.8 (median 1, range 3 - 0.1)(20/229)(p=0.15). Eight eyes at last visit had BCVA < 20/200. Post surgery 4 improved, 7 had status quo vision.

Conclusions:

The incidence of RRD in retinitis pigmentosa is very low. Presentation though delayed, is at a younger age. Horse shoe tears and PVR are uncommon; cataract is a common co existing pathology. Surgical reattachment rates appear high and recurrent RRD is uncommon. However, visual gain is limited by the underlying retinal degenerative condition

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