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Correspondence:      Conflict of Interest:  The authors report no conflicts of interest.  
Ana Ibáñez Muñoz, MD    Contributions:  All authors contributed equally. 
Department of Ophthalmology   Accepted for Publication:  April, 2019 
San Pedro Hospital    This work is licensed under a Creative Commons Attribution 
Piqueras 98, 26007 Logroño, Spain   Non-Commercial 3.0 License (CC BY-NC 3.0). 
E-mail: anciban82@hotmail.com   ©Copyright Muñoz et al., 2019.   
Phone:  (34) 675613259    Licensee Ophthoscience Publishers, USA 

 



  

 
 

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