Ferreira | Department of Ophthalmology | School of Medicine

Dr. Pear Ferreira MD, MPH, MSc, PhD

Position(s)

Associate Professor

Contact Info

Tel: (613) 544-3400 x 3511 (Sue Martin)

Fax: 613-544-5721

ResearchGate link

https://www.researchgate.net/profile/Pear-Pongsachareonnont

Dr Ferreira joins our department having been an Associate Professor in the Department of Ophthalmology at Chulalongkorn University in Thailand, where she served as Vice-Chair of Ophthalmology Care Services, as well as occupying leadership roles in ophthalmic and vitreoretinal research.

Education

MSc, Health Systems Research (Health Technology Assessment), University of Toronto (2025)
PhD, Clinical Sciences, Chulalongkorn University, Thailand (2024)
MPH, Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA. (2021)
Vitreoretinal Surgery Clinical Fellowship: University of Toronto (2014)
Retina Research Fellowship, University of California San Francisco, CA (2013)
Retina & Vitreous Clinical Fellowship: Royal College of Ophthalmologists of Thailand (2011)
Ophthalmology Residency: Chulalongkorn University, Thailand (2010)
Medical School: Chulalongkorn University, Thailand (2004)

Publications (as Pear Pongsachareonnont)

Wong, T. Y., Haskova, Z., Asik, K., Baumal, C. R., Csaky, K. G., Eter, N., ... & Hershberger, V. (2024). Faricimab treat-and-extend for diabetic macular edema: Two-year results from the randomized Phase 3 YOSEMITE and RHINE trials. Ophthalmology, 131(6), 708-723.
Tantirattanakulchai, P., Hounnaklang, N., Win, N., Khambhiphant, B., & Pongsachareonnont, P. F. (2024). Structural validity of the impact of vision impairment questionnaire among patients with visual impairment in Thailand. Heliyon, 10(16).
Le, N. T., Le Truong, T., Deelertpaiboon, S., Srisiri, W., Pongsachareonnont, P. F., Suwajanakorn, D., ... & Kaewplung, P. (2024). ViT‐AMD: A New Deep Learning Model for Age‐Related Macular Degeneration Diagnosis From Fundus Images. International Journal of Intelligent Systems, 2024(1), 3026500.
Pongsachareonnont PF, Sakthong P, Chaikitmongkol V, et al. Health Utility Values Among Patients With Diabetic Retinopathy, Wet Age-Related Macular Degeneration, and Cataract in Thailand: A Multicenter Survey Using Time Trade-Off, EQ-5D-5L, and Health Utility Index 3. Value Health Reg Issues. 2024;44:101030. doi:10.1016/j.vhri.2024.101030
Siripongpreda, T., Pongsachareonnont, P., Chanajaree, R., & Rodthongkum, N. (2023). Theranostic contact lens based on cellulose nanofibrils/levofloxacin nanocomposite for ocular bacterial infection. Cellulose, 1-15.
Tantirattanakulchai, P., Hounnaklang, N., Pongsachareonnont, P. F., Khambhiphant, B., Win, N., & Tepjan, S. (2023). Prevalence and factors associated with suicidal ideation among older people with visual impairments attending an eye center during the COVID-19 pandemic: a hospital-based cross-sectional study. Clinical ophthalmology, 917-930.
Tantirattanakulchai, P., Hounnaklang, N., Pongsachareonnont, P. F., Khambhiphant, B., Hounnaklang, S., Win, N., & Tepjan, S. (2023). Impact of COVID-19 on Depressive Symptoms Among Patients with Low Vision and Blindness. Clinical Ophthalmology, 789-796.
Surawatsatien, N., Pongsachareonnont, P. F., Kulvichit, K., Varadisai, A., Somkijrungroj, T., Mavichak, A., ... & Srisawat, N. (2023). Optical Coherence Tomography Angiography Biomarkers in Thai Patients With Diabetic Nephropathy: A Diabetic Eye and Kidney Diseases (DEK-D) Study. Translational Vision Science & Technology, 12(4), 19-19.
Praiwatana, S., Thanawattano, C., Dumnin, S., Buekban, C., Limsuknirun, W., Varadisai, A., & Pongsachareonnont, P. F. (2023). The Safety and Satisfaction of an Innovative Eye Shield Detecting Head Position for Post-Operative Intraocular Surgery. Journal of the Medical Association of Thailand, 106(5).
Wykoff, C. C., Abreu, F., Adamis, A. P., Basu, K., Eichenbaum, D. A., Haskova, Z., ..., P. Pongsachareonnont,… & Hirakata, A. (2022). Efficacy, durability, and safety of intravitreal faricimab with extended dosing up to every 16 weeks in patients with diabetic macular oedema (YOSEMITE and RHINE): two randomised, double-masked, phase 3 trials. The Lancet, 399(10326), 741-755.
Hurst, C., Rakkapao, N., Malacova, E., Mongkolsomlit, S., Pongsachareonnont, P., Rangsin, R., ... & Hartel, G. (2022). Psychometric properties of the general self-efficacy scale among Thais with type 2 diabetes: a multicenter study. PeerJ, 10, e13398. DR. PEAR FERREIRA 10
Gunasekeran, D. V., Zheng, F., Lim, G., Chong, C. C., Zhang, S., Ng, W. Y.,.., P Pongsachareonnont.. & Ting, D. S. (2022). Acceptance and perception of artificial intelligence usability in eye care (APPRAISE) for Ophthalmologists: a multinational perspective. Frontiers in medicine, 9, 875242.
Juhong, J., Pongsachareonnont, P. F., Somkijrungroj, T., Mavichak, A., Varadisai, A., Chariyavilaskul, P., ... & Kulvichit, K. (2022). The sterility, stability and efficacy of repackaged ziv-aflibercept for intravitreal administration. Scientific Reports, 12(1), 2971. 1
Pongsachareonnont, P., Hemarat, K., Panjaphongse, R., Liu, W., Vagefi, M. R., & Stewart, J. M. (2022, May). Factors associated with the development of blepharoptosis after pars plana vitrectomy surgery. In Seminars in Ophthalmology (Vol. 37, No. 4, pp. 509-514). Taylor & Francis.
Pongsachareonnont, P. F., Sakthong, P., & Kulvichit, K. (2022). Effect of Feasibility and Religion on Health Utility Questionnaire Responses of Elderly Ophthalmic Patients: A Pilot Study. Journal of the Medical Association of Thailand, 105(5).
Le, N. T., Le, T. T., Itthipanichpong, R., Pongsachareonnont, P. F., Mavichak, A., Suwajanakorn, D., & Benjapolakul, W. (2022). Classification of age-related macular degeneration using very deep learning neural network based on transfer learning.
Tirakunwichcha, S., & Pongsachareonnont, P. (2021). Factors associated with visual outcome after primary repair of open-globe injury by ophthalmology residents in training in a tertiary eye center. Clinical Ophthalmology, 1173- 1181.
Pongsachareonont, P., Uthaithammarat, L., Saonanon, P., Somkijrungroj, T., Reinprayoon, U., Ittipanichpong, R., & Kasetsuwan, N. (2021). The Learning Curve of the Deliberate Practice of Phacoemulsification in the Ophthalmic Training System. Journal of the Medical Association of Thailand, 104(10).
Ittarat, M., Somkijrungroj, T., Chansangpetch, S., & Pongsachareonnont, P. (2020). Literature review of surgical treatment in idiopathic full-thickness macular hole. Clinical Ophthalmology, 2171-2183.
Pongsachareonnont, P., Charoenphol, P., Hurst, C., & Somkijrungroj, T. (2020). The effect of anti-vascular endothelial growth factor on retinal microvascular changes in diabetic macular edema using swept-source optical coherence tomography angiography. Clinical Ophthalmology, 3871-3880.
Pongsachareonnont, P., Somkijrungroj, T., Assavapongpaiboon, B., Chitamara, T., Chuntarapas, M., & Suwajanakorn, D. (2019). Foveal and parafoveal choroidal thickness pattern measuring by swept source optical coherence tomography. Eye, 33(9), 1443-1451.
Thanawattano, C., Buekban, C., Dumnin, S., Limsuknirun, W., Varadisai, A., & Pongsachareonnont, P. (2019, July). The Ambulatory Eye Shield Head Tracking Device with Real-Time Feedback for Gas Filled Eye Patients. In 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (pp. 7149-7152). IEEE.

ResearchGate link

https://www.researchgate.net/profile/Pear-Pongsachareonnont

Team

Education

Publications (as Pear Pongsachareonnont)