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Paper Abstract and Keywords
Presentation 2026-01-22 14:15
Association Between Nuclear Cataract with Thermal Load on the Crystalline Lens in Sauna Environments Including Cold Bath Exposure
Kosuke Noguchi, Sachiko Kodera (NITech), Toru Ikoma, Natsuko Hatsusaka, Hiroshi Sasaki (KMU), Akimasa Hirata (NITech) EST2025-89
Abstract (in Japanese) (See Japanese page) 
(in English) The development of nuclear cataracts has been suggested to be associated with thermal load on the crystalline lens. Despite the generally low ambient temperature, a relatively high incidence rate of nuclear cataract has been reported in Iceland; one possible contributing factor is the widespread sauna-bathing culture in Nordic countries. However, the thermal load imposed on the crystalline lens under sauna conditions has not yet been quantitatively evaluated. In this study, we computed the temperature and thermal load of the crystalline lens under sauna conditions using an anatomical human model. Furthermore, we incorporated a cold-water immersion scenario to compare its effects and investigate whether post-sauna cooling influences lens thermal load and the potential risk of nuclear cataract formation by a model-based approach.
Keyword (in Japanese) (See Japanese page) 
(in English) Nuclear Cataract / Thermoregulation / Heat Load / Sauna / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 328, EST2025-89, pp. 43-48, Jan. 2026.
Paper # EST2025-89 
Date of Issue 2026-01-15 (EST) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EST2025-89

Conference Information
Committee EST  
Conference Date 2026-01-22 - 2026-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Nobumoto Ohama Memorial Hal 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation techniques, etc. 
Paper Information
Registration To EST 
Conference Code 2026-01-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Association Between Nuclear Cataract with Thermal Load on the Crystalline Lens in Sauna Environments Including Cold Bath Exposure 
Sub Title (in English)  
Keyword(1) Nuclear Cataract  
Keyword(2) Thermoregulation  
Keyword(3) Heat Load  
Keyword(4) Sauna  
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Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kosuke Noguchi  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Sachiko Kodera  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Toru Ikoma  
3rd Author's Affiliation Kanazawa Medical University (KMU)
4th Author's Name Natsuko Hatsusaka  
4th Author's Affiliation Kanazawa Medical University (KMU)
5th Author's Name Hiroshi Sasaki  
5th Author's Affiliation Kanazawa Medical University (KMU)
6th Author's Name Akimasa Hirata  
6th Author's Affiliation Nagoya Institute of Technology (NITech)
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Speaker Author-1 
Date Time 2026-01-22 14:15:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EST2025-89 
Volume (vol) vol.125 
Number (no) no.328 
Page pp.43-48 
#Pages 6 
Date of Issue 2026-01-15 (EST) 

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