Dr. Yen-Chieh Chang has completed comprehensive subspecialty training in both retinal and corneal diseases at our hospital. He possesses extensive experience in performing minimally invasive vitrectomy for various vitreoretinal conditions, including retinal detachment, vitreous hemorrhage, macular hole, and epiretinal membrane (macular pucker). He is also highly skilled in minimally invasive phacoemulsification cataract surgery, particularly in elderly patients and complex cases, as well as in femtosecond laser-assisted cataract surgery (FLACS). Dr. Chang provides comprehensive care for general ophthalmic conditions and ocular emergencies, aiming to deliver precise and patient-centered eye care across a broad spectrum of diseases.

(1) Oral precancerous lesions and oral cancer surgery and treatment (2) Oral and sacral cysts, tumor surgery (3) Treatment of humeral fracture and facial trauma (4) Artificial implant and related reconstruction surgery (5) Diagnosis and treatment of abnormal facial deformity and occlusion function (6) Salivary gland examination (7) Complex extraction surgery and impacted tooth extraction surgery (8) treatment of head and neck odontogenic infection (9) Treatment of ankle disease

(1) complex extraction and impact tooth extraction surgery (2) various sputum manufacturing pre-operative surgery (3) head and neck odontogenic infection treatment (4) oral sputum facial cyst and benign tumor treatment (5) facial bone fracture And trauma treatment (6) artificial implants and related bone reconstruction surgery (7) facial deformity and occlusion function abnormal surgery (8) facial and facial related cosmetic surgery (9) treatment of ankle joint disease.

Orthodontic treatment in adult and adolescence Orthodontic Treatment combined with orthognathic surgery.