[1] [1] Y. C. Tham, X. Li, T. Y. Wong, H. A. Quigley, T. Aung and C. Y. Cheng, Ophthalmology 121, 2081 (2014).

[2] [2] Foster Paul J., Ralf Buhrmann, Harry A. Quigley and Gordon J. Johnson, British Journal of Ophthalmology 86, 238 (2002).

[3] [3] F. Bokhari, T. Syedia, M. Sharif, M. Yasmin and S. L. Fernandes, Current Medical Imaging Reviews 14, 77 (2018).

[4] [4] Lowell J., Hunter A., Steel D., Basu A., Ryder R., Fletcher E. and Kennedy L., IEEE Transactions on Medical Imaging 23, 256 (2004).

[5] [5] Cheng J., Liu J., Xu Y., Yin F., Wong D.W.K., Tan N.M., Tao D., Cheng C.Y., Aung T. and Wong T.Y., IEEE Transactions on Medical Imaging 32, 1019 (2013).

[6] [6] Gu Z., Liu P., Zhou K., Jiang Y., Mao H., Cheng J. and Liu J., Computational Pathology and Ophthalmic Medical Image Analysis 11039, 253 (2018).

[7] [7] B. Al-Bander, B. Williams, W. Al-Nuaimy, M. Al-Taee, H. Pratt and Y. Zheng, Symmetry 10, 87 (2018).

[8] [8] Singh V.K., Rashwan H.A., Akram F., ABDULWAHAB S., MAAROOF N., BARRENA J.T., ROMANI S. and PUIG D., Artificial Intelligence Research and Development: Current Challenges, New Trends and Applications 308, 373 (2018).

[9] [9] Babu TR Ganesh and S. Shenbagadevi., European Journal of Scientific Research 59, 22 (2011).

[10] [10] Yin F., Liu J., Wong D.W.K., Tan N.M., Cheung C., Baskaran M., Aung T. and Wong T.Y., 25th IEEE International Symposium on Computer-Based Medical Systems (CBMS) 1, 1 (2012).

[11] [11] Y. Zheng, D. Stambolian, J. O’Brien and J. C. Gee, International Conference on Medical Image Computing and Computer-Assisted Intervention 8150, 75 (2013).

[12] [12] Haleem M.S., Han L., van Hemert J., Li B., Fleming A., Pasquale L.R. and Song B.J., Journal of Medical Systems 42, 20 (2018).

[13] [13] Z. Ghassabi, J. Shanbehzadeh and K. Nouri-Mahdavi, 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 1, 5942 (2018).

[14] [14] O. Ronneberger, P. Fischer and T. Brox, International Conference on Medical Image Computing and Computer- assisted Intervention 9351, 234 (2015).

[15] [15] G. Huang, Z. Liu, L. Van Der Maaten and K. Q. Weinberger, Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition 1, 4700 (2017).

[16] [16] Zhang Z., Yin F.S., Liu J., Wong W.K., Tan N.M., Lee B.H., Cheng J. and Wong T.Y., Annual International Conference of the IEEE Engineering in Medicine and Biology 1, 3065 (2010).

[17] [17] J. Sivaswamy, S. Krishnadas, A. Chakravarty, G. D. Joshi and A. S. Tabish, JSM Biomed. Imaging Data Papers 2, 1004 (2015).

[18] [18] H. Fu, J. Cheng, Y. Xu, D. W. K. Wong, J. Liu and X. Cao, IEEE Transactions on Medical Imaging 37, 1597 (2018).