Non-contact terahertz spectroscopic measurement of the intraocular pressure through corneal hydration mapping

A Chen, A Virk, Z Harris, A Abazari… - Biomedical Optics …, 2021 - opg.optica.org
Elevated intraocular pressure (IOP) results in endothelial layer damage that can induce
corneal hydration perturbations. We investigated the potential of terahertz spectroscopy in …

Assessing corneal endothelial damage using terahertz time-domain spectroscopy and support vector machines

A Chen, ZB Harris, A Virk, A Abazari, K Varadaraj… - Sensors, 2022 - mdpi.com
The endothelial layer of the cornea plays a critical role in regulating its hydration by actively
controlling fluid intake in the tissue via transporting the excess fluid out to the aqueous …

Corneal hydration assessment indicator based on terahertz time domain spectroscopy

J Yao, J Ma, J Zhao, P Qi, M Li, L Lin, L Sun… - Biomedical optics …, 2020 - opg.optica.org
Terahertz technology has shown broad prospects for measuring corneal water content,
which is an important parameter of ocular health. Based on terahertz time-domain …

Terahertz spectroscopy analysis of human corneal sublayers

L Ke, QYS Wu, N Zhang, Z Yang… - Journal of …, 2021 - spiedigitallibrary.org
Significance: Corneal diseases is a major cause of reversible blindness in the world.
Monitoring the progression of human corneal edema or corneal scarring to prevent the …

Corneal elastic property investigated by terahertz technology

L Ke, L Zhang, N Zhang, QYS Wu, HS Leong… - Scientific Reports, 2022 - nature.com
Terahertz (THz) spectroscopy technique has been applied in ex vivo biomechanical
properties analysis of human corneas. Upon the application of light pressure on the cornea …

Terahertz sensing of corneal hydration

RS Singh, P Tewari, JL Bourges… - … Conference of the …, 2010 - ieeexplore.ieee.org
An indicator of ocular health is the hydrodyanmics of the cornea. Many corneal disorders
deteriorate sight as they upset the normal hydrodynamics of the cornea. The mechanisms …

Terahertz sensing in corneal tissues

DB Bennett, ZD Taylor, P Tewari… - … of biomedical optics, 2011 - spiedigitallibrary.org
This work introduces the potential application of terahertz (THz) sensing to the field of
ophthalmology, where it is uniquely suited due to its nonionizing photon energy and high …

Investigation of water diffusion dynamics in corneal phantoms using terahertz time-domain spectroscopy

A Chen, OB Osman, ZB Harris, A Abazri… - Biomedical Optics …, 2020 - opg.optica.org
Perturbation of normal corneal water content is a common manifestation of many eye
diseases. Terahertz (THz) imaging has the potential to serve as a clinical tool for screening …

THz and mm-wave sensing of corneal tissue water content: in vivo sensing and imaging results

ZD Taylor, J Garritano, S Sung, N Bajwa… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
A pulsed terahertz (THz) imaging system and millimeter-wave reflectometer were used to
acquire images and point measurements, respectively, of five rabbit cornea in vivo. These …

Terahertz optical properties of the cornea

WQ Liu, YF Lu, GH Jiao, XF Chen, JY Li, SH Chen… - Optics …, 2016 - Elsevier
We present a study aimed at developing a terahertz time domain spectroscopy (THz-TDS)
system for detection of the optical properties of ex vivo rabbit corneal tissues with different …