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. 2016 Nov 18;9(11):1629-1633.
doi: 10.18240/ijo.2016.11.15. eCollection 2016.

Missed retinal breaks in rhegmatogenous retinal detachment

Brijesh Takkar  1 , Shorya Azad  1 , Adarsh Shashni  1 , Amar Pujari  1 , Indrish Bhatia  1 , Rajvardhan Azad  2
Affiliations

Missed retinal breaks in rhegmatogenous retinal detachment

Brijesh Takkar et al. Int J Ophthalmol. .

Abstract

Aim: To evaluate the causes and associations of missed retinal breaks (MRBs) and posterior vitreous detachment (PVD) in patients with rhegmatogenous retinal detachment (RRD).

Methods: Case sheets of patients undergoing vitreo retinal surgery for RRD at a tertiary eye care centre were evaluated retrospectively. Out of the 378 records screened, 253 were included for analysis of MRBs and 191 patients were included for analysis of PVD, depending on the inclusion criteria. Features of RRD and retinal breaks noted on examination were compared to the status of MRBs and PVD detected during surgery for possible associations.

Results: Overall, 27% patients had MRBs. Retinal holes were commonly missed in patients with lattice degeneration while missed retinal tears were associated with presence of complete PVD. Patients operated for cataract surgery were significantly associated with MRBs (P=0.033) with the odds of missing a retinal break being 1.91 as compared to patients with natural lens. Advanced proliferative vitreo retinopathy (PVR) and retinal bullae were the most common reasons for missing a retinal break during examination. PVD was present in 52% of the cases and was wrongly assessed in 16%. Retinal bullae, pseudophakia/aphakia, myopia, and horse shoe retinal tears were strongly associated with presence of PVD. Traumatic RRDs were rarely associated with PVD.

Conclusion: Pseudophakic patients, and patients with retinal bullae or advanced PVR should be carefully screened for MRBs. Though Weiss ring is a good indicator of PVD, it may still be over diagnosed in some cases. PVD is associated with retinal bullae and pseudophakia, and inversely with traumatic RRD.

Keywords: missed retinal breaks; ocular examination; posterior vitreous detachment; retinal detachment; retinal surgery.

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