The corresponding author submitted this article [1] to the Journal of Ophthalmology although it was under review by BMC Ophthalmology. The article was subsequently accepted and published by the Journal of Ophthalmology [2] and then by BMC Ophthalmology [1]. As it has been brought to the attention of the Editor that duplicate submission and publication have taken place, the Editor has made the decision to retract the article published in BMC Ophthalmology [1].