ANATOMICAL AND FUNCTIONAL OUTCOME FOLLOWING PRIMARY RETINAL RE-ATTACHMENT SURGERY IN PHAKIC AND PSEUDOPHAKIC RHEGMATOGENESIS RETINAL DETACHMENT

Asfandyar Asghar, Aziz ur Rehman, Waseem H Jafri, Yawar Zaman, Nasir Bhatti, Mazhar ul Hassan

Abstract


Background: Rhegmatogenous Retinal detachment (RRD) is relatively unusual in general population;
annual incidence is 1:10,000. Objective of this study was to compare the anatomical and functional
outcome of primary retinal re-attachment surgery in phakic and pseudophakic eyes. Methods: A case
series comparative study was carried out at Al-Ibrahim Eye Hospital, Karachi from July 2008 to June
2009. A total of 71 eyes of 69 patients either phakic (group-I) or pseudophakic (group-II) rhegmatogenous
retinal detachment (RRD) with proliferative vitreoretinopathy (PVR) up to grade C-3 were included in the
study. Eyes with RRD with PVR C-4 and above, corneal opacity and previous posterior segment surgery
were excluded. Pars plana vitrectomy (PPV) or scleral buckling procedure (SBP) was performed as a
primary re-attachment surgery. Patients were followed for at least 6 months. Anatomical (retinal
reattachment) and functional outcome (best corrected visual acuity) was noted at each follow up. Results:
Anatomical outcome (retinal reattachment) was similar in group-I (93.02%) and group-II (92.86%) eyes
(p=0.88). Best corrected visual acuity (functional outcome) of 6/6‒6/18 was achieved in 46.5% in Group-I
and 10.7% in Group-II. Raised intraocular pressure (IOP) was observed as most common complication.
Conclusion: Primary retinal re-attachment surgery either in phakic (group-I) or pseudophakic (group-II)
eyes have similar anatomical outcome but functional outcome depends upon the status of macula at the
time of surgery and level of proliferative vitreoretinopathy (PVR).
Keywords: Pars plana vitrectomy, Scleral buckling procedure, proliferative vitreoretinopathy

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