Research & inventions

Clinical practice and research, together

Dr. Oduncu's work focuses on the non-contact, imaging-based assessment of intraocular pressure. Below are patents, awards and international presentations.

A discovery: the Pulsatile Red Reflex (PRR)

For over a century the red reflex has been part of every eye examination, yet until now it was regarded as a static finding. Abdulkadir Oduncu, MD was the first to describe that this reflex carries a pulsatile component synchronized with the heartbeat, and named this phenomenon the Pulsatile Red Reflex (PRR), introducing it to the scientific literature. The finding is documented by an abstract accepted for presentation at the ESCRS 2026 Congress (PP19.017) and by a patent application; a detailed scientific paper is in the publication process.

Patents

At the core of this work are methods and devices for assessing intraocular pressure (eye pressure) through imaging, without contact with the eye. The items below are summarized in plain language.

2017 Glaucoma treatment goggles with visual stimulationGranted U.S. patent (US 11,903,880 B2) Google Patents →
2023 Wearable, non-contact intraocular pressure measurement and monitoring systemPatent application · US 2023/0380685 A1 Google Patents →
2025 Method for estimating intraocular pressurePatent application · PCT WO 2025/042353 Google Patents →
2026 Non-invasive determination of intraocular pressure via analysis of pulsatile anterior-segment motionPatent application

Awards and recognition

2025 ASCRS Innovation, Honorable MentionAmerican Society of Cataract and Refractive Surgery · project: TonoCAM · Los Angeles
2023 ISIF, Patent Award, Silver MedalInternational invention and innovation fair
2022 TÜSEB National Project GrantHealth Institutes of Türkiye
2021 TET Project Market, First Prize in Türkiye
2021 TTGV HIT ProgramTechnology Development Foundation of Türkiye

International presentations

Sep 2026 ESCRS 2026, London, Presented Poster (PP19.017)Upcoming"Pulsatile Red Reflex: A New Phenomenon in Ophthalmic Hemodynamic Imaging" · Anterior Segment Imaging session · presenter: Dr. Abdulkadir Oduncu
Jan 2026 Glaucoma 360, New Horizons Forum, San FranciscoGlaucoT presentation in the "The New Era of Glaucoma Testing" session
Apr 2025 SightLine at ASCRS, Innovation, Los AngelesHonorable Mention · project: TonoCAM
Nov 2024 OIS XIV, New Innovation Showcase, San DiegoGlaucoT · Abdulkadir Oduncu, MD (CSO & Co-founder) · presenting company OIS page →
OIS XIV, Ophthalmology Innovation Summit, San Diego
OIS XIV, Ophthalmology Innovation Summit, San Diego (November 2024). GlaucoT was among the presenting companies at the New Innovation Showcase; Dr. Oduncu on the right.
ASCRS Innovation, Honorable Mention, TonoCAM
ASCRS Innovation, Honorable Mention, project: TonoCAM. Los Angeles, 2025.

Presentation video

From Abdulkadir Oduncu, MD's presentation at OIS XIV (Ophthalmology Innovation Summit), San Diego, November 2024.

Collaboration or scientific contact

For questions about this work, you can get in touch.

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