Efficacy and safety of infrared warming of the eyelids

Asako Mori, Yoshihisa Oguchi, Eiki Goto, Katsu Nakamori, Tomohiro Ohtsuki, Fuminobu Egami, Jun Shimazaki, Kazuo Tsubota

研究成果: Article査読

46 被引用数 (Scopus)

抄録

Purpose. To evaluate our newly developed infrared heater (IRH) and compare it to a broad-spectrum heater (BSH) for warming the eyelids. Materials and Methods. Ten normal subjects were enrolled in this study. All measurements were recorded in a room with temperature 23°C, 40% humidity, and no wind. The IRH is composed of two hard eye patches that have light- emitting diodes (LEDs) emitting near-infrared radiation. We first compared the temperature rises in the cornea, lacrimal gland, and eyelids after warming through closed eyelids with the IRH for 5 and 10 min. Next, we compared warming with the IRH or BSH for 30 min. We then used the IRH for 5 min with the eyes open to confirm its safety. Finally, we determined subjective feeling after warming the eyes. Results. Direct comparison of 5 versus 10 min of warming with the IRH showed no significant differences in temperature rises in the upper eyelid (p = 0.09). The IRH caused significantly more heating (p < 0.05) than did the BSH everywhere except the cornea. The temperatures never rose above 37.7°C for either heater during 30 min or with the IRH with the eyes open for 5 min. The subjects' comfort level rose significantly (p < 0.05) after treatment with the IRH. Conclusions. Our study showed the efficacy and safety of warming the eyelids with a newly developed IRH. Only 5 min is necessary to increase ocular temperature and enhance comfort.

本文言語English
ページ(範囲)188-193
ページ数6
ジャーナルCornea
18
2
DOI
出版ステータスPublished - 1999 3月

ASJC Scopus subject areas

  • 眼科学

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