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eISSN: 2719-3209
ISSN: 0023-2157
Klinika Oczna / Acta Ophthalmologica Polonica
Bieżący numer Archiwum Filmy Artykuły w druku O czasopiśmie Suplementy Rada naukowa Bazy indeksacyjne Prenumerata Kontakt Zasady publikacji prac Standardy etyczne i procedury
2/2020
vol. 122
 
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Artykuł oryginalny

Effect of repeated endurance exercise on intraocular pressure in healthy subjects: a prospective pilot study based on a 500-km swim relay

Michał Nowak
1
,
Robert Gajda
2
,
Wojciech Drygas
1, 3
,
Ewa Rębowska
1
,
Elżbieta Dziankowska-Zaborszczyk
4
,
Magdalena Kwaśniewska
1

1.
Department of Preventive Medicine, Medical University of Lodz, Lodz, Poland
2.
Center for Sports Cardiology at the Gajda-Med Medical Center, Pułtusk, Poland
3.
Department of Epidemiology, Cardiovascular Disease Prevention and Health Promotion, The Cardinal Stefan Wyszyński National Institute of Cardiology, Warsaw, Poland
4.
Department of Epidemiology and Biostatistics, Medical University of Lodz, Lodz, Poland
KLINIKA OCZNA 2020, 122, 2: 54–59
Data publikacji online: 2020/06/28
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Aim of the study
To investigate exercise-related changes in the intraocular pressure (IOP) in healthy participants of a 500-km swim relay.

Material and methods
A group of 12 well-trained amateur swimmers aged 13-67 years participated in a 500-km swim relay in the Warta River, Poland. Each participant underwent detailed clinical examinations, including IOP and central corneal thickness measurements, 2-3 weeks before the relay (baseline) and at peak effort (10 min after the last shift). A baseline maximal treadmill exercise test was also conducted for measurement of the maximal oxygen consumption (VO2) and metabolic equivalent of task (MET) values.

Results
None of the athletes (12 eyes) exhibited significant changes in IOP at peak effort (mean change from 14.3 to 15.4 mmHg, p > 0.05). Six male subjects exhibited an exercise-induced mean increase in IOP at peak effort, from 15.6 to 18.5 mmHg (6 eyes, p < 0.05). In six female subjects, the peak effort was not associated with significant IOP changes; IOP mean declined slightly from 13.0 to 12.3 mmHg (6 eyes, p > 0.05). IOP parameters, including the pressure at rest, pressure at peak effort, and pressure change, showed no significant correlations with cardiorespiratory aerobic fitness determined by VO2 and MET.

Conclusions
This pilot study did not reveal changes in IOP among well-trained amateur athletes in response to prolonged vigorous swimming. These results, as well as sex-specific differences, in IOP changes at peak effort due to the small sample size must be confirmed by examinations in a larger group.

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