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Asymmetrical thickness of parafoveal retina around surgically closed macular hole
  1. K Ohta,
  2. A Sato,
  3. E Fukui
  1. Department of Ophthalmology, Matsumoto Dental University, Nagano, Japan
  1. Correspondence to K Ohta, Department of Ophthalmology, Matsumoto Dental University, 1780 Gobara, Hirooka, Shiojiri-shi, Nagano-ken 399-0781, Japan; ohta{at}po.mdu.ac.jp

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Since the initial report on the surgical closure of idiopathic macular holes (MHs),1 the surgical technique for closing an MH has been significantly modified. The peeling of the internal limiting membrane (ILM) was shown to improve the anatomical and functional success rate.2 3 In successfully closed MHs, the parafoveal temporal retina appeared to be thinner than the nasal parafoveal area in the optical coherence tomographic (OCT) images.4

We measured the retinal thickness by Spectralis HRA-OCT (Heidelberg Engineering GmbH, Heidelberg, Germany) before and after vitrectomy in eyes with an MH. Ten eyes of 10 patients with an idiopathic MH were studied. The patients underwent 23-gauge pars plana vitrectomy with phacoemulsification and placement of a posterior chamber intraocular lens. The ILM was stained in all of the eyes with approximately 0.5 ml of 0.25% indocyanine green (ICG) that was evenly injected intravitreally for 1 min then washed out. The ILM was peeled over 2 to 3 disc diameters around the MH, and then 20% sulphur …

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