Sun Yat-sen Eye Center (affiliated eye hospital) of Sun Yat-sen University is in Guangzhou and there is no branch in Dongguan, so there is no affiliated eye hospital of Sun Yat-sen University in Dongguan.

From Dongguan, you can take the high-speed train to Guangzhou first, and then go to the Eye Hospital affiliated to Sun Yat-sen University (the hospital headquarters is at No.54 Xianlie South Road, Yuexiu District, near the subway station).