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In a search 

of the peer-reviewed medical literature (using 

MEDLINE and cross-referenced literature), this study 

may be the first to 

Correspondence:      Conflict of Interest:  The authors report no conflicts of interest.  
Lott Pooi Wah     Contributions:  All authors contributed equally. 
Ophthalmology Department   Accepted for Publication:  October, 2020 
University of Malaya      This work is licensed under a Creative Commons Attribution 
Kuala Lumpur, Malaysia    Non-Commercial 3.0 License (CC BY-NC 3.0). 
Email:  lottpw@yahoo.com    ©Copyright Krishna, et al., 2020.   
Phone: + 60 17 982 5096    License Ophthoscience Publishers, USA 
 



  

 
 

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