1. Take the C785 train at Nanchong Station, and get off at Chengdu East Station at 1 hour 37.
2. Then walk to Chengdu East Station, take Metro Line 2 (Xipu direction) and get off at Tianfu Square Station.
3. Walk to Tianfu Square Station, take subway 1 line (direction of Science City), get off at Huaxi Ba Station (exit B), and walk to the Department of Ophthalmology and Color Vision of Sichuan University-West China Fourth Hospital.