scholarly journals Tonic Pupil Following Pars Plana Vitrectomy and Endolaser

2009 ◽  
Vol 2009 ◽  
pp. 1-3 ◽  
Author(s):  
Benyamin Ebrahim ◽  
Larry Frohman ◽  
Marco Zarbin ◽  
Neelakshi Bhagat
Keyword(s):  
Retinal Detachment ◽  
Pars Plana Vitrectomy ◽  
Silicone Oil ◽  
Retrobulbar Anesthesia ◽  
Tonic Pupil ◽  
Suprachoroidal Space ◽  
Pars Plana ◽  
Silicone Oil Tamponade

Tonic pupil was observed in a 67 year-old patient following a retinal detachment repair with pars plana vitrectomy, endolaser and silicone oil tamponade performed under retrobulbar anesthesia. The probable location of disturbance is the postganglionic parasympathetic fibers in the short ciliary nerves along their course to the pupil in the suprachoroidal space. A likely explanation for this phenomenon is injury to short ciliary nerves by endolaser treatment.

Hybrid 20/23-G pars plana vitrectomy in endophthalmitis and trauma: a strategic approach

2017 ◽  
Vol 28 (1) ◽  
pp. 94-97
Author(s):  
Daraius Shroff ◽  
Priyanka Gupta ◽  
Charu Gupta ◽  
Neelam Atri ◽  
Ranjan Dutta ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Retinal Detachment ◽  
Silicone Oil ◽  
Vitreous Surgery ◽  
Safety And Efficacy ◽  
Suprachoroidal Space ◽  
Strategic Approach ◽  
Pars Plana ◽  
Silicone Oil Tamponade ◽  
Difficult Cases

Purpose: To assess the safety and efficacy of hybrid vitreous surgery combining active 23-G ports with a sutured 20-G 6-mm infusion cannula for performing vitrectomy in endophthalmitis and trauma. Methods: This is a retrospective analysis of 10 eyes with endophthalmitis and 10 eyes with trauma requiring vitreous surgery, having corneal clarity suitable for vitrectomy and best-corrected visual acuity (BCVA) greater than or equal to light perception. All patients underwent hybrid 20/23-G vitrectomy. Intraoperative notes were analyzed for peroperative complications. The BCVA and retinal status at 3 months were analyzed. Results: In the endophthalmitis group, patients ranged from 5 to 85 years of age and showed varied etiologies. Retinal detachment was present in 5 eyes, which received silicone oil tamponade. Mean preoperative logMAR visual acuity (VA) was 2.29 ± 0.45, which improved to 1.10 ± 0.72 at 3 months postoperatively (p<0.001). Trauma cases ranged from 21 to 75 years of age. Retinal detachment was present in 9 out of 10 eyes, all of which received silicone oil tamponade. Preoperative logMAR VA was 2.26 ± 0.71, which improved to 1.33 ± 0.50 postoperatively (p<0.001). At 3 months postsurgery, the retina was attached in all eyes in both groups. Conclusions: The longer sutured 20-G cannula was easier to visualize through fibrin, exudates, and hemorrhage and did not slip out or enter the suprachoroidal space in any of our cases. The 23-G active ports and vitrectomy cutter enhanced safety and efficacy. Hybrid vitrectomy enabled safe surgery in these difficult cases.

The Influence of Silicone Oil on the Ganglion Cell Complex After Pars Plana Vitrectomy for Rhegmatogenous Retinal Detachment

2018 ◽  
Vol 24 (29) ◽  
pp. 3476-3493 ◽  
Author(s):  
Dorota Raczyńska ◽  
Kamila Mitrosz ◽  
Krystyna Raczyńska ◽  
Leopold Glasner
Keyword(s):  
Retinal Detachment ◽  
Ganglion Cell ◽  
Pars Plana Vitrectomy ◽  
Silicone Oil ◽  
Cell Complex ◽  
Ganglion Cell Complex ◽  
Pars Plana ◽  
Silicone Oil Tamponade ◽  
The Impact ◽  
Sd Oct

Purpose: Pars plana vitrectomy (PPV) and silicone oil endotamponade have been used as a treatment in rhegmatogenous retinal detachment (RRD). Improvement in the modality of spectral-domain optical coherence tomography (SD-OCT) allows for the assessment of ganglion cell layer-inner plexiform layer (GCL-IPL) in the macular region. Information about the GCL-IPL status may be a response to the question as to why the visual recovery after PPV with silicone oil tamponade is incomplete. The aim of the study was to evaluate the impact of silicone oil on GCL-IPL and compare it with other endotamponade types such as Sulfur hexafluoride gas (SF6), Perfluoropropane gas (C3F8) used during PPV performed due to RRD. Patients and Methods: The study involved 57 eyes after PPV and 57 healthy, control eyes of patients with primary RRD who had undergone successful PPV. The patients were divided into three subgroups depending on the endotamponade type, and were tracked with complete ophthalmological examination during a period of 6 months. PPV with internal tamponade silicone oil, 24% SF6 or 14% C3F8 was performed. The medical records were reviewed and compared between the groups. Results: SD-OCT analysis detected a significant reduction of average GCL-IPL thickness and reduction of GCLIPL parameter in almost all examined sectors in the group with silicone oil endotamponade during all follow-up visits (P<0.05). The study showed a significant vision deterioration in the silicone oil group in comparison with the SF6 group on all follow-up visits (P<0.05). Conclusion: This is the first in vivo SD-OCT study describing the toxic effect of silicone oil endotamponade on GCL-IPL complex after PPV for RRD. The study confirmed that the GCL-IPL complex value can be a predictive factor for assessing the final visual acuity. SD-OCT should be recommended as a clinical standard in the followup treatment of patients after PPV for RRD, especially with the use of silicone oil endotamponade. Plain Language Summary: The aim of the study was to examine the impact of silicone oil on the ganglion cell complex. The ganglion cell is a neuron type located in the retina and takes part in transmitting visual information from the retina to the brain. Silicone oil is a substance used during eye surgery called pars plana vitrectomy. This tamponade type acts to hold the retina in a proper position. However, during the retinal detachment, which is the separation of the retina from the layer underneath, a reduction of neurons is observed. We decided to use a new technology device called SD-OCT to determine the thickness of the ganglion cell complex. We compared the impact of silicone oil with other tamponade types. We found that silicone oil causes a reduction in the ganglion cell complex. Moreover, we observed vision deterioration in eyes treated with a silicone oil tamponade. The research describes the toxic effect of silicone oil on ganglion cells. Ganglion cell values may be used to determine visual improvement or deterioration after eye surgery with silicone oil tamponade. SD-OCT should be a clinical standard in monitoring patients with silicone oil tamponade.

scholarly journals Corneal endothelial changes induced by pars plana vitrectomy with silicone oil tamponade for retinal detachment

2021 ◽  
Vol 22 (3) ◽  
Author(s):  
Corina Coman (Cernat) ◽  
Daniel Malita ◽  
Simona Stanca ◽  
Stella Patoni (Popescu) ◽  
Ovidiu Musat ◽  
...  
Keyword(s):  
Retinal Detachment ◽  
Pars Plana Vitrectomy ◽  
Silicone Oil ◽  
Pars Plana ◽  
Silicone Oil Tamponade

scholarly journals Posterior pole retinotomy for treatment of recurrent macular hole retinal detachment in highly myopic eyes: a pilot study

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Xianggui Wang ◽  
Xuezhi Zhou ◽  
Ying Zhu ◽  
Huizhuo Xu
Keyword(s):  
Retinal Detachment ◽  
Macular Hole ◽  
Pars Plana Vitrectomy ◽  
Silicone Oil ◽  
Posterior Pole ◽  
Macular Holes ◽  
Macular Hole Retinal Detachment ◽  
Pars Plana ◽  
Silicone Oil Tamponade ◽  
Hole Closure

Abstract Background To investigate the feasibility and efficacy of posterior pole retinotomy to treat recurrent macular hole retinal detachment (MHRD) in highly myopic patients. Methods We performed a retrospective study and reviewed the medical records in our hospital between January 1, 2016 and December 31, 2018. Highly myopic patients who received posterior pole retinotomy with silicone oil tamponade for their recurrent MHRD after pars plana vitrectomy were included in the analysis. Postoperative retinal reattachment, best-corrected visual acuity (BCVA), macular hole closure, and complications were evaluated. Results There were 11 patients (11 eyes) included in this study. All retinas were reattached. Silicone oil was successfully removed from all eyes 1.5–3 months after the surgery. Macular holes were completely closed in three eyes and remained flat open in eight eyes. The BCVA of all eyes improved significantly at 12 months after surgery (logarithm of the minimal angle of resolution, pre vs. postoperatively, 1.87 ± 0.44 vs. 1.15 ± 0.24, P < 0.05). None of the patients had complications such as endophthalmitis, fundus hemorrhage, retinal redetachment, and proliferative vitreoretinopathy. Conclusion Posterior pole retinotomy is a safe and effective surgery to treat recurrent MHRD after pars plana vitrectomy in highly myopic patients.

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