. 2017 Mar;65(3):233–237. doi: 10.4103/ijo.IJO_743_16
Copyright: © 2017 Indian Journal of Ophthalmology
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.