TOPIC
What do we know about Diurnal Intraocular Pressure in Glaucoma?
SPEAKER
Chiau-Ni (Charlene) Chiu
PhD Candidate and Clinical Optometrist
The University of Western Australia and
Lions Eye Institute
Like many biological markers, Intraocular Pressure (IOP) is known to follow a 24 hour (circadian) rhythm. Report on observation of circadian variation of IOP dates back to at least 1898. As early as 1960, larger diurnal fluctuation of IOP (or fluctuation of IOP over the day) was also reported in those with Glaucoma. Despite this, our understanding of diurnal IOP fluctuation is still limited due to accessibility to measuring devices. This talk will provide a high-level overview on the current understanding of diurnal IOP fluctuation, specifically in those with Glaucoma.
Join Us
Sunday, January 18th, 2026
10:00 AM (GMT), 3:30 PM (IST), 6:00 PM (AWST)
Click Below to Register 👇
Speaker Bio:-
Charlene completed her Bachelor of Vision Science/Master of Optometry with Distinction at Queensland University of Technology in 2017, where her group research project supervised by Prof. Joanne Wood and Prof. Alexander Black was published in the Ophthalmic and Physiological Optics. She moved to Perth as a Graduate Optometrist upon completion and worked as a Clinical Optometrist in various private corporate practices over 7 years. During which, she was also the Regional Clinical Coach for a corporate practice for 2 years, where she managed and supported Optometrists across South Australia and Western Australia. With an interest in data, she pursued a career in research in 2024, originally as a casual Research Assistant at the Lions Eye Institute before commencing her PhD in Ophthalmology and Visual Science under the supervision of Prof. Allison McKendrick and Prof. Bill Morgan at The University of Western Australia. Her research explores the characterisation of Diurnal Intraocular Pressure in Glaucoma. With a passion in humanitarian work, Charlene actively participates in humanitarian trips annually since Optometry school and has travelled around the world providing Optometry services to the under-served communities across rural Australia, Mexico, Cambodia and Vietnam. Outside of Clinical and Research Optometry, she is also an advocate for the Optometry profession. She has been on the Early Career Optometrist Committee for Western Australia (ECOWA) since 2021, and is the current President of ECOWA and a Board Director for Optometry Western Australia.
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