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Influence of exercise on the structure of the anterior chamber of the eye
Author(s) -
Li Mu,
Song Yinwei,
Zhao Yin,
Yan Xiaoqin,
Zhang Hong
Publication year - 2018
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/aos.13564
Subject(s) - anterior chamber angle , medicine , iris (biosensor) , ophthalmology , intraocular pressure , glaucoma , heart rate , ciliary body , blood pressure , computer security , computer science , biometrics
Purpose To measure changes in anterior chamber structure before and after exercise in healthy individuals using anterior segment optical coherence tomography ( ASOCT ). Methods Thirty‐two healthy young individuals performed jogging for 20 min. Eye blinking rate was recorded during rest and exercise. The anterior chamber angle ( ACA ), angle opening distance at 500 μ m from the scleral spur ( AOD 500), trabecular‐iris space area at 500 μ m from the scleral spur ( TISA 500), iris concavity ( IC ), iris concavity ratio ( CR ), iris thickness at 750 μ m from the scleral spur ( IT 750), anterior chamber depth ( ACD ), anterior chamber width ( ACW ), pupil diameter ( PD ), intraocular pressure (IOP), blood pressure (BP) and heart rate (HR) were recorded before and after exercise. Anterior chamber angle (ACA), AOD 500, TISA 500, IC , IT 750, ACD , ACW and PD were measured with ASOCT . Results Compared with rest, the blinking rate during exercise did not change significantly (13.04 ± 5.80 versus 13.52 ± 5.87 blinks/min, p = 0.645). The average IOP (15.4 ± 2.4 versus 12.4 ± 2.1 mmHg), ACA (35.96 ± 11.35 versus 40.25 ± 12.64 degrees), AOD 500 (0.800 ± 0.348 versus 0.942 ± 0.387 mm), TISA 500 (0.308 ± 0.155 versus 0.374 ± 0.193 mm 2 ), IC (−0.078 ± 0.148 versus −0.153 ± 0.159 mm) and CR (−0.027 ± 0.050 versus −0.054 ± 0.056) changed significantly (all p < 0.001), while the average IT 750 (0.463 ± 0.084 versus 0.465 ± 0.086 mm; p = 0.492), ACD (3.171 ± 0.229 versus 3.175 ± 0.238 mm; p = 0.543) and ACW (11.768 ± 0.377 versus 11.755 ± 0.378 mm; p = 0.122) showed no significant change after exercise. Conclusion The blinking rate did not change significantly during exercise, while ACA , AOD 500 and TISA 500 increased after exercise. Exercise also induced or increased IC. These changes in anterior chamber structure were only associated with exercise, but not with the postexercise change in PD or IOP .