Dr. Irwin Y. Cua
Dr. Irwin Y. Cua is a fellowship-trained Cornea, External Disease, and Refractive Surgery specialist, having completed his fellowship in Cornea, External Disease, and Laser Refractive Surgery at Pepose Vision Institute – Barnes-Jewish Hospital in St. Louis, Missouri, USA.
With more than two decades of experience in laser vision correction and corneal surgery, his practice covers the full spectrum of modern refractive procedures.
He serves as Director of the St. Luke’s Eye Institute, Quezon City; Chief of the Section of Refractive Surgery at St. Luke’s Eye Institute, Quezon City; and Chief of the Section of Cornea and External Eye Disease at St. Luke’s Eye Institute, Global City. He also heads the Vision Laser Center at both the Quezon City and Global City campuses and is a core group member of Laser Vision Specialists, the team of fellowship-trained refractive surgeons of St. Luke’s. Dr. Cua is an Assistant Professor at the St. Luke’s College of Medicine and an Examiner for the Philippine Board of Ophthalmology. His clinical interests include corneal transplantation, laser vision correction, dry eye and ocular surface disorders, and limbal stem cell research.
Global City
Bldg/Room No.: MAB 515
Clinic Schedule: MW 1-4pm; TTh 9-12nn
Contact Number/Local-789-7700 / 7515
Dr. Maria Christina Tumangan-Manas
Dr. Maria Christina Tumangan-Manas is a fellowship-trained Cornea, External Disease, and Refractive Surgery specialist, having completed her fellowship at the University of Southern California – Doheny Eye Institute in Los Angeles, California, USA.She has been a member of the Vision Laser Refractive Surgery Team at St. Luke’s Eye Institute, Bonifacio Global City since 2002, and is a core group member of Laser Vision Specialists, the team of fellowship-trained refractive surgeons of St. Luke’s.Dr. Manas has been a board examiner for the Philippine Board of Ophthalmology Diplomate Oral Examination and a course faculty for the St. Luke’s International Eye Institute Preparatory Course for the Philippine Diplomate Ophthalmic Practical Exams, contributing to the training and certification of Filipino ophthalmologists. Her clinical interests include laser vision correction, corneal transplantation, and the medical and surgical management of cornea and external eye disease.
Global City
Bldg/Room No.: MAB 521
Clinic Schedule: Tue Thu 10:00 AM - 12:00 PM (By appointment)
Contact number/Local: 8-7897700 / 7521
Prof. Ruben Lim Bon Siong
Prof. Ruben Lim Bon Siong is one of the Philippines’ leading authorities in cornea, external eye disease, and refractive surgery. With over three decades of clinical practice and international training at Washington University School of Medicine in St. Louis, Missouri, he has built a distinguished career spanning surgical excellence, academic leadership, and the mentorship of generations of Filipino ophthalmologists.
He currently serves as Chair of the Department of Ophthalmology and Visual Sciences at the University of the Philippines Manila College of Medicine, and as Chief of the Cornea and External Eye Diseases Division at the Philippine General Hospital. He is also the Medical Director of the Sta. Lucia International Eye Bank of Manila, and serves as Secretary and Trustee of the Philippine Board of Ophthalmology.
He is the former Director of the St. Luke’s Medical Center Eye Institute and former Head of the Vision Laser Center, where he played a pivotal role in advancing refractive and corneal services in the institution.
A past President of the Philippine Academy of Ophthalmology (2012–2013), the Philippine Cornea Society (2013–2019), and the ASEAN Ophthalmology Society (2020–2023), Prof. Lim Bon Siong has received numerous national and international honors recognizing his contributions to clinical care, education, and ophthalmic research.
Global City
Bldg/Room No.: MAB 216
Clinic Schedule: Thu Fri 02:00 PM - 04:00 PM (By appointment)
Contact Number/Local: 8-7897700 / 7216
Dr. Reginald Robert Tan
Dr. Reginald Robert Tan completed his fellowship training in Cornea, External Disease, and Refractive Surgery at the University of Ottawa Eye Institute in Canada, and holds a postgraduate credential in Cataract and Refractive Surgery from the University of Ulster in the United Kingdom. He currently serves as the Refractive Surgery Fellowship Training Director at St. Luke’s Medical Center, Bonifacio Global City.
He is also a Clinical Associate Professor at the University of the Philippines – Philippine General Hospital, Department of Ophthalmology and Visual Sciences, where he plays an active role in training the next generation of Filipino eye surgeons.
Dr. Tan is a Founding Member and member of the Board of Trustees of the Refractive Surgery Society of the Philippines, and a Fellow of the World College of Refractive Surgery and Visual Sciences.
Global City
Bldg/Room No.: MAB 1039
Clinic Schedule: Tue Thu Sat 09:00 AM - 12:00 PM
Contact number/Local: 8-7897700 / 7039
Dr. Winston V. L. Villar
Dr. Winston V. L. Villar is a fellowship-trained Cornea, External Disease, Cataract, Anterior Segment, and Refractive Surgery specialist, having completed his fellowship at the New England Eye Center, Tufts University College of Medicine in Boston, Massachusetts, USA.
He serves as Active Consultant at the Tan Eng Gee Eye Institute, St. Luke’s Medical Center, Bonifacio Global City, and as a Core Consultant of the Refractive Surgery Service at St. Luke’s Medical Center, BGC. He is a core group member of Laser Vision Specialists, the team of fellowship-trained refractive surgeons of St. Luke’s.Dr. Villar combines academic rigor with extensive clinical experience in laser vision correction, corneal surgery, and anterior segment disease. He has authored peer-reviewed publications in international journals, including foundational research on corneal wound healing and matrix metalloproteinases conducted during his fellowship in Boston, as well as clinical outcomes research on LASIK, SMILE, and PRK performed at St. Luke’s Vision Laser Center.
Global City
Bldg/Room No.: MAB 216
Clinic Schedule: Friday amd Saturday 9AM - 12PM
Contact number/Local: 8-7897700 / 8-7897700
Dr. Jessica Marie Reyes Abaño
Dr. Jessica Marie Reyes Abaño
Global City
Bldg/Room No.:MAB 235
Clinic Schedule: MTS 1-5pm; W 9-12NN; TH 9-4 BY APPT.
Contact Number/Local: 8-789-7700 / 7235