J Korean Ophthalmol Soc > Volume 56(12); 2015 > Article
Journal of the Korean Ophthalmological Society 2015;56(12):1826-1830.
DOI: https://doi.org/10.3341/jkos.2015.56.12.1826    Published online December 15, 2015.
Comparison of Rebound Tonometry and Goldmann Applanation Tonometry in Restrictive Thyroid Eye Disease.
Hye Won Park, Hye Young Kim
1The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
2Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea. khyeye@hanmail.net
제한성 갑상선 안병증에서 리바운드 안압계와 골드만 안압계로 측정한 안압의 비교
박혜원1,2⋅김혜영2
연세대학교 의과대학 안과학교실 시기능개발 연구소1, 국민건강보험 일산병원 안과2
Received: 30 July 2015   • Revised: 16 November 2015   • Accepted: 30 November 2015
Abstract
PURPOSE
To compare the intraocular pressure (IOP) measured using the rebound tonometer (RT) and Goldmann applanation tonometer (GAT) in the primary position and upgaze in restrictive thyroid eye disease (TED). METHODS: We measured the IOP in 30 subjects (54 eyes) who visited an ophthalmologist between May 2014 and May 2015. This study included 16 healthy volunteers (32 eyes) and 14 TED patients (22 eyes). The outcome measurements were the comparison of IOP readings; both intergroup and 2 measurements using the RT and the GAT for patients with restrictive TED and the control group. Upgaze IOP was measured on the central cornea with a 20-degree chin-down posture. RESULTS: Both TED patients and controls showed an increase in IOP in upgaze compared with primary position (p < 0.001). There was a significant difference in mean differential IOP between patients and controls measured using RT and GAT, respectively (p < 0.001). In the control group, there was no significant difference between the 2 instrument readings in upgaze as well as primary position for patients with restrictive TED (p = 0.853 in TED; p = 0.260 in controls). CONCLUSIONS: Based on our results, the mean IOP in conventional upgaze was significantly increased in TED patients compared to primary position using both the RT and GAT and no difference in RT readings compared with GAT readings. The RT can be used to establish IOP since no significant difference between the upgaze and the primary position readings was observed in patients with restrictive TED and is a simple and effective diagnostic tool unrelated to the position and the direction of gaze.
Key Words: Goldmann applanation tonometer;Intraocular pressure;Rebound tonometer;Restrictive thyroid eye disease


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