Dr. Mary Kristelle C. Abrenica graduated with a degree of Doctor of Optometry and is currently taking a course on Pediatric Optometry from the Austraiasian College of Behavioral Optometry. She has completed a Behavioral Optometry course on Every Patient Every Day and Practical Vision Therapy conducted by the Australian College of Behavioral Optometrists (ACBO). She attended local and international conventions organized by different Optometric Associations in the Philippines and other ASEAN countries.