2019 International Ophthalmological Forum(IOF 2019)was successfully held in Shenzhen,China during May 24-26,2019.The forum was hosted by Afro-Asian Council of Ophthalmology(AACO),Guang Dong Medical Association(GDMA)and co-hosted by Zhongshan Ophthalmic Center(ZOC),Sun Yat-sen University and Shenzhen Eye Hospital(SZEH),China.Top scientists,relevant experts and scholars.