It's the fourth year of specialist assistance from Guangdong province.
Three ophthalmology specialists and a nurse provided free cataract surgery to patients at the Apia National Hospital in Moto'otua.
They also presented medical equipment and medicine to the National Health Service.
They were led by the Deputy Director of the Zhongshan Ophthalmology Center at Sun Yat-sen University.
Photo file MFA China. Caption: Specialists from Guangdong Medical Team are treating a Samoan patient with cataract