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POSTERIOR VITREOUS DETACHMENT IN HIGHLY MYOPIC EYES UNDERGOING VITRECTOMY
Elise Philippakis1, Aude Couturier, David Gaucher
1*Ophthalmology Department, Hôpital Lariboisière, AP-HP, Université Paris 7-Sorbonne Paris Cité, Paris, France; and †Ophthalmology Department of Hôpitaux Universitaires de Strasbourg, Nouvel Hôpital Civil, Université Louis-Pasteur, Strasbourg, France.
Purpose:
To assess the rate of complete posterior vitreous detachment (PVD) in highly myopic eyes requiring vitreoretinal surgery based on intraoperative observations.
Methods:
Monocentric retrospective observational case series of consecutive highly myopic patients whose eyes underwent 25 G 3-port pars plana vitrectomy between 2009 and 2012. Patients were operated on for rhegmatogenous retinal detachment, epiretinal membrane, macular hole with retinal detachment, myopic foveoschisis, and myopic macular hole. Patient records were reviewed focusing on the intraoperative assessment of PVD which was assisted in most cases by a visualization agent.
Results:
Ninety-six eyes of 95 patients whose mean age was 62.15 ± 12.4 years (29-95) were included. Complete PVD was observed in 52.1% of eyes. The PVD rate varied depending on the disease (P < 0.0001). It was high in retinal detachment and epiretinal membrane (85 and 74.2%, respectively) and low in myopic foveoschisis and myopic macular hole (14.3 and 10%, respectively). Complete PVD was found in 42.9% of macular hole with retinal detachment.
Conclusion:
In highly myopic eyes, the rate of complete PVD varied widely depending on the vitreoretinal disease operated on. The posterior vitreous cortex was often detached from the retina in retinal detachment and epiretinal membrane but was most often attached in myopic foveoschisis and macular hole.
