Oztas Zafer, Barut Selver Ozlem, Akkin Cezmi, Canturk Ecem, Afrashi Filiz
Department of Ophthalmology, Ege University, Izmir, Turkey.
Eye Contact Lens. 2016 May;42(3):202-5. doi: 10.1097/ICL.0000000000000174.
In our study, we aimed to investigate the correlation of handheld infrared skin thermometer and videothermography device for the measurement of corneal temperature.
Forty healthy individuals (80 eyes) were enrolled to the study. Participants underwent a detailed ophthalmologic examination and medical history review for excluding any ocular and systemic diseases. The measurements of the central corneal temperature were performed in a room having constant temperature, humidity, and brightness levels. To avoid any variability, all the temperature measurements were performed in the same examination room by a single examiner. The temperature was measured with a handheld infrared skin thermometer (MEDISANA, FTN) from the corneal surface. The same instrument was also used to measure the subjects' body temperature. Moreover, the subjects underwent the corneal temperature measurement by a noncontact videothermography device (Optris PI 450; Optris GmbH).
The male to female ratio was 19:21 among the subjects. The mean age was 25.1±4.7 years. The mean body temperature was 36.93±0.33°C. The mean corneal temperatures measured by the handheld infrared skin thermometer and the ocular videothermography device were 36.94±0.28°C and 35.61±0.61°C, respectively (P<0.01). The mean temperature difference was 1.34±0.57°C, with a 95% confidence interval. There was a moderate correlation between the corneal temperatures measured by the 2 devices in the right, the left eyes, and both eyes, respectively (P=0.450, 0.539, 0.490).
Handheld infrared skin thermometers can be used for the evaluation of the corneal temperature. These devices may provide a simple, practical, and cheaper way to detect the corneal temperature, and the widely performed corneal temperature measurements may afford us to understand the temperature variability in numerous ocular conditions in a better way.
在我们的研究中，我们旨在探究手持红外皮肤温度计与视频热成像设备在测量角膜温度方面的相关性。
40名健康个体（80只眼）纳入本研究。参与者接受了详细的眼科检查和病史回顾，以排除任何眼部和全身性疾病。在温度、湿度和亮度恒定的房间内进行中央角膜温度测量。为避免任何变异性，所有温度测量均由一名检查者在同一检查室进行。使用手持红外皮肤温度计（MEDISANA，FTN）从角膜表面测量温度。同一仪器还用于测量受试者的体温。此外，受试者通过非接触式视频热成像设备（Optris PI 450；Optris GmbH）进行角膜温度测量。
受试者中男女比例为19:21。平均年龄为25.1±4.7岁。平均体温为36.93±0.33°C。手持红外皮肤温度计和眼部视频热成像设备测量的平均角膜温度分别为36.94±0.28°C和35.61±0.61°C（P<0.01）。平均温差为1.34±0.57°C，95%置信区间。两种设备分别在右眼、左眼和双眼测量的角膜温度之间存在中度相关性（P=0.450、0.539、0.490）。
手持红外皮肤温度计可用于评估角膜温度。这些设备可能提供一种简单、实用且更便宜的检测角膜温度的方法，广泛进行的角膜温度测量可能使我们更好地了解多种眼部疾病中的温度变异性。
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