Investigation of the short-term effects of water drinking test on the eye using optical coherence tomography angiography in young healthy male subjects

Soydan, Adem; Ulaş, Fatih; Kaymaz, Abdülgani; Toprak, Güvenç; Uyar, Enes; Çelebi, Serdal

doi:10.1080/15569527.2022.2126493

Cutaneous and Ocular Toxicology

2022

DOI: 10.1080/15569527.2022.2126493

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Investigation of the short-term effects of water drinking test on the eye using optical coherence tomography angiography in young healthy male subjects

Adem Soydan

Fatih Ulaş

Abdülgani Kaymaz

et al.

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2023

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“…These prior imaging studies altered IOP acutely by ophthalmodynamometric compression, 4 – 9 the application of tight-fitting goggles, 10 applying negative pressure through goggles, 11 – 13 and with the dark room 14 and water drinking tests. 15 Acute changes in the LC position have also been evaluated following surgical and medical reductions in IOP. 5 , 16 – 18 These studies have demonstrated that the LC appears to move both anteriorly and posteriorly in response to changes in IOP.…”

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confidence: 99%

Displacement of the Lamina Cribrosa With Acute Intraocular Pressure Increase in Brain-Dead Organ Donors

Girkin,

Garner,

Gardiner

et al. 2023

Invest. Ophthalmol. Vis. Sci.

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Purpose To examine deformations of the optic nerve head (ONH) deep tissues in response to acute elevation of intraocular pressure (IOP). Methods Research-consented brain-dead organ donors underwent imaging by spectral domain optical coherence tomography (OCT). OCT imaging was repeated while the eye was sequentially maintained at manometric pressures of 10, 30, and 50 mm Hg. Radial scans of the ONH were automatically segmented by deep learning and quantified in three dimensions by a custom algorithm. Change in lamina cribrosa (LC) depth and choroidal thickness was correlated with IOP and age by linear mixed-effect models. LC depth was computed against commonly utilized reference planes. Results Twenty-six eyes from 20 brain-dead organ donors (age range, 22–62 years; median age, 43 years) were imaged and quantified. LC depth measured against a reference plane based on Bruch's membrane (BM), BM opening, and an anterior sclera canal opening plane showed both a reduction and an increase in LC depth with IOP elevation. LC depth universally increased in depth when measured against a sclera reference plane. Choroidal (−0.5222 µm/mm Hg, P < 0.001) and retinal nerve fiber layer thickness (−0.0717 µm/mm Hg, P < 0.001) significantly thinned with increasing IOP. The magnitude of LC depth change with IOP was significantly smaller with increasing age ( P < 0.03 for all reference planes). Conclusions LC depth changes with IOP reduce with age and are significantly affected by the reference plane of choice, which highlights a need for standardizing LC metrics to properly follow progressive remodeling of the loadbearing tissues of the ONH by OCT imaging and for the definition of a reference database.

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mentioning

confidence: 99%

Displacement of the Lamina Cribrosa With Acute Intraocular Pressure Increase in Brain-Dead Organ Donors

Girkin,

Garner,

Gardiner

et al. 2023

Invest. Ophthalmol. Vis. Sci.

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show abstract

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Investigation of the short-term effects of water drinking test on the eye using optical coherence tomography angiography in young healthy male subjects

Cited by 1 publication

References 19 publications

Displacement of the Lamina Cribrosa With Acute Intraocular Pressure Increase in Brain-Dead Organ Donors

Displacement of the Lamina Cribrosa With Acute Intraocular Pressure Increase in Brain-Dead Organ Donors

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