Ophthalmology in China

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Assessment of intraocular pressure change in the healthy subjects during short distance air flight

QIAO Chun-yan, XU Xin-yue, CAO Kai.   

  1. Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
  • Received:2019-01-22 Online:2019-07-25 Published:2019-07-30
  • Contact: QIAO Chun-yan, Email: chunyan_qiao@163.com

Abstract:

Objective To investigate the effect of air flight on healthy subjects intraocular pressure (IOP). Design Prospective, nonrandomized comparative trial. Participants 34 healthy volunteers during air flight from March 2018 to January 2019. Methods IOP of right eye was measured with Icare?誖Pro tonometer, and oxygen saturation (SO2) and pulse rate (RP) were measured by finger clip pulse oximeter. Baseline IOP (P0) and SO2 (S0) were measured at just entering into air plane. Measurement were repeated after just reaching cruise phase (P1, S1) and 1 hour after cruise phase (P2, S2). The correlation between SO2, RP and IOP were evaluated by Spearman rank correlation analysis. Main Outcome Measures IOP and oxygen saturation. Results P0, P1 and P2 was (14.997±1.57), (14.465±2.00), (14.719±2.01) mmHg, respectively (P>0.05). Median of S0, S1, S2 was 97%, 96%, 96%, respectively. SO2, RP, age, gender were not significant correlation with IOP (P>0.05). Conclusion IOP was not significant change during a routine short air flight for healthy adults. (Ophthalmol CHN, 2019, 28: 294-296)

Key words: intraocular pressure, high altitude, air flight