Cataracts are the main cause of blindness and visual impairment worldwide, therefore cataract surgery is the most common surgical procedure performed by ophthalmologists. The blindness rate in Indonesia is the highest at 1.5% of the total population (about 3.6 million people) compared to the blindness rate in countries in the Southeast Asia Region. The main cause is cataracts, with 2 millions and increase 240 thousands new cases every year.

The phacoemulsification training activity organized by the Ophthalmology Study Program, Faculty of Medicine, Diponegoro University received many attention from ophthalmologists and eye residents, so that in November 2021 the Grand Opening of the Phaco Training Center of the Faculty of Medicine of Diponegoro University being held as an opening for phacoemulsification training activities that will be routine carried out in the following years.