May 2003
Volume 44, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2003
The Relationship Between Experimental Room Temperature and Lens Changes and Ocular Inflammation Induced by Microwave Exposure
Author Affiliations & Notes
  • M. Kojima
    Depatment of Ophthalmology, Kanazawa Medical University, Kahoku, Japan
  • I. Hata
    Depatment of Ophthalmology, Kanazawa Medical University, Kahoku, Japan
  • K. Wake
    Communications Research Laboratory, Independent Administrative Institution, Koganei, Japan
  • S. Watanabe
    Communications Research Laboratory Independent Administrative Institution, Koganei, Japan
  • K. Sasaki
    Communications Research Laboratory Independent Administrative Institution, Koganei, Japan
  • M. Taki
    Department of Electrical Engineering, Graduate School of Engineering, Tokyo Metropolitan University, Tokyo, Japan
  • Y. Yamanaka
    Department of Electrical Engineering, Graduate School of Engineering, Tokyo Metropolitan University, Tokyo, Japan
  • Y. Kamimura
    Department of Information Science, Faculty of Engineering, Utsunomiya University, Utsunomiya, Japan
  • N. Takahashi
    Department of Information Science, Faculty of Engineering, Utsunomiya University, Utsunomiya, Japan
  • Footnotes
    Commercial Relationships  M. Kojima, None; I. Hata, None; K. Wake, None; S. Watanabe, None; K. Sasaki, None; M. Taki, None; Y. Yamanaka, None; Y. Kamimura, None; N. Takahashi, None.
Investigative Ophthalmology & Visual Science May 2003, Vol.44, 295. doi:
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to authenticated users only.
      Sign In or Create an Account ×
    • Get Citation

      M. Kojima, I. Hata, K. Wake, S. Watanabe, K. Sasaki, M. Taki, Y. Yamanaka, Y. Kamimura, N. Takahashi; The Relationship Between Experimental Room Temperature and Lens Changes and Ocular Inflammation Induced by Microwave Exposure . Invest. Ophthalmol. Vis. Sci. 2003;44(13):295.

      Download citation file:


      © ARVO (1962-2015); The Authors (2016-present)

      ×
  • Supplements
Abstract

Abstract: : Purpose: To clarify the relationship between experimental room temperature and light scattering changes of lenses and ocular inflammation induced by microwave radiation in rabbits. Methods: Forty-three male pigmented rabbits (Dutch, 1.8-2.2 kg) were systemically anesthetized with ketamine hydrochloride (5 mg/kg, im) + xylazine (0.23 mg/kg, im). The eyes were exposed unilaterally to a 2.45 GHz microwave for 100 minutes (100, 300 mW/cm2) under either a low room temperature of 20 degrees centigrade or a high room temperature of 30 degrees centigrade. Changes in the anterior segment were observed by a Scheimpflug image analysis system, and a laser flare cell meter. The temperatures of the eye segments were measured during microwave exposure by a Fluoroptic Thermometer. Results: In the 30 degree centigrade group, the irradiated eyes showed miosis, conjunctival hyperemia, corneal edema, and an increase in the light scattering of the anterior shallow cortex in the pupillary area of the lens. The 20 degree centigrade group showed much lighter changes than the 30 degree centigrade group. All of the changes in both groups of rabbits disappeared within a week. The highest temperature during exposure was seen in the vitreous, followed by the anterior chamber, and the retrobulbar cavity of the orbit. The above mentioned ocular changes and ocular temperature corresponded with room temperature. Conclusions: The acute high intensity of microwave exposure temporally induced anterior segment inflammation and lens changes. The influence of experimental room temperature on ocular changes should be considered.

Keywords: cataract • inflammation • radiation damage: light/UV 
×
×

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.

×