Regulation of oxygen saturation in retinal blood vessels in response to dynamic exercise

Purpose To evaluate the impact of dynamic exercise on retinal vessel oxygen saturation in healthy individuals. Methods Twenty‐six healthy participants underwent moderate dynamic exercise (modified Master's two‐step exercise). In all subjects, intraocular pressures (IOP), systolic and diastolic...

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Bibliographic Details
Published in:Acta ophthalmologica (Oxford, England) England), 2018-05, Vol.96 (3), p.e298-e303
Main Authors: Heitmar, Rebekka, Vekria, Pravin, Cubbidge, Robert P.
Format: Article
Language:English
Subjects:
Arteries
autoregulation
Blood vessels
dual‐wavelength
exercise
Oxygen content
Oxygen saturation
Retina
retinal vessel oximetry
Saturation
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Summary:Purpose To evaluate the impact of dynamic exercise on retinal vessel oxygen saturation in healthy individuals. Methods Twenty‐six healthy participants underwent moderate dynamic exercise (modified Master's two‐step exercise). In all subjects, intraocular pressures (IOP), systolic and diastolic blood pressures (SBP and DBP), retinal vessel calibres and retinal arterial and venous oxygen saturation were measured at baseline, immediately following exercise and 15 min postexercise. Results Moderate dynamic exercise increased SBP and DBP immediately postexercise (SBP: 116 (±13) mmHg to 150 (±21) mmHg; p 
ISSN:1755-375X
1755-3768
DOI:10.1111/aos.13576