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Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Br+J+Ophthalmol 2016 ; 100 (2): 222-6 Nephropedia Template TP
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Radius of curvature changes in spontaneous improvement of foveoschisis in highly myopic eyes #MMPMID26130673
Hoang QV; Chen CL; Garcia-Arumi J; Sherwood PR; Chang S
Br J Ophthalmol 2016[Feb]; 100 (2): 222-6 PMID26130673show ga
Background: Myopic foveoschisis is the splitting of retinal layers overlying staphyloma in highly myopic patients that can lead to vision loss. We assess possible contributing mechanisms to the formation of foveoschisis by examining two cases of spontaneous improvement of myopic foveoschisis and employ a radius of curvature (ROC) measure to track posterior scleral curvature over time. Methods: A retrospective, non-comparative case series was performed and optical coherence tomography images were analysed. Retinal pigment epithelial layer ROC was calculated from manually segmented images through the posterior scleral curvature apex. Results: Two cases of myopic foveoschisis with foveal detachments in the left eye (OS) were studied. Both patients had high myopia (either 30 mm in axial length). One case occurred in a treatment-naive patient who improved after 4 months of observation. On initial presentation, OS posterior scleral ROC was 12.35 mm and decreased to 12.15 mm at the time of resolution. The other case occurred in a patient who was followed for 7 years, had previously underwent pars plana vitrectomy and removal of epiretinal membrane, experienced recurrence of foveoschisis and then spontaneously improved without further posterior segment surgery. There was an uncomplicated cataract extraction in the interim. Posterior scleral ROC was 4.05 mm on presentation, 4.10 during recurrence, 3.55 mm after cataract extraction and 3.75 mm at resolution. Conclusions: Spontaneous improvement of myopic foveoschisis may be due to changes in tractional forces from the internal limiting membrane, cortical vitreous or staphyloma or, alternatively, from a delayed or fluctuant recovery course after intervention.
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Br+J+Ophthalmol 2016 ; 100 (2): 222-6
