Deconstructing Intraocular Pressure: A Non-invasive Multi-Stage Probabilistic Inverse Framework

• URL: http://arxiv.org/abs/2509.14167v1
• Date: Wed, 17 Sep 2025 16:50:23 GMT
• Title: Deconstructing Intraocular Pressure: A Non-invasive Multi-Stage Probabilistic Inverse Framework
• Authors: Md Rezwan Jaher, Abul Mukid Mohammad Mukaddes, A. B. M. Abdul Malek,
• Abstract summary: Glaucoma is a leading cause of irreversible blindness driven by elevated intraocular pressure (IOP)<n>We develop a framework to noninvasively estimate unmeasurable variables from sparse, routine data.<n>Our framework achieves excellent agreement with state-of-the-art tonography with precision comparable to direct physical instruments.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Many critical healthcare decisions are challenged by the inability to measure key underlying parameters. Glaucoma, a leading cause of irreversible blindness driven by elevated intraocular pressure (IOP), provides a stark example. The primary determinant of IOP, a tissue property called trabecular meshwork permeability, cannot be measured in vivo, forcing clinicians to depend on indirect surrogates. This clinical challenge is compounded by a broader computational one: developing predictive models for such ill-posed inverse problems is hindered by a lack of ground-truth data and prohibitive cost of large-scale, high-fidelity simulations. We address both challenges with an end-to-end framework to noninvasively estimate unmeasurable variables from sparse, routine data. Our approach combines a multi-stage artificial intelligence architecture to functionally separate the problem; a novel data generation strategy we term PCDS that obviates the need for hundreds of thousands of costly simulations, reducing the effective computational time from years to hours; and a Bayesian engine to quantify predictive uncertainty. Our framework deconstructs a single IOP measurement into its fundamental components from routine inputs only, yielding estimates for the unmeasurable tissue permeability and a patient's outflow facility. Our noninvasively estimated outflow facility achieved excellent agreement with state-of-the-art tonography with precision comparable to direct physical instruments. Furthermore, the newly derived permeability biomarker demonstrates high accuracy in stratifying clinical cohorts by disease risk, highlighting its diagnostic potential. More broadly, our framework establishes a generalizable blueprint for solving similar inverse problems in other data-scarce, computationally-intensive domains.

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