日本近视协会-主席；
亚洲干眼症协会-主席；
日本干眼症协会-会长；
日本抗加龄医学会理事长；
国际屈光手术学会(ISRS)-国际理事会，委员会成员；
学术期刊： 抗衰老医学-主编 Nature Partner Journal Aging and Mechanisms of Disease
World’s top 100 ophthalmologist and No.1 prolific author in Dry eye field in the world, advancing clinical practice and research in corneal diseases over decades.
Professional biography:
• Professor Emeritus of Keio Univ of Medicine, Ophthalmology
• Served as corneal fellow at Harvard University
• Selected as one of the world's top 100 ophthalmologist in 2014
Major awards:
• 2020 – Life Achievement Honor Award, American Academy of Ophthalmology
• 2012 – 4th Annual Award, Japan Sjögren’s Syndrome Society
• 2004 – Senior Achievement Award, American Academy of Ophthalmology
• 2000 – First Claes Dohlman Award, Tear Film and Ocular Surface Society (TFOS)
• 1994 – Honor Award, American Academy of Ophthalmology
Medical societies/journals:
• Japanese Society of Myopia– President
• Asia Dry Eye Society – President
• Japanese Dry Eye Society– President
• International Society of Refractive Surgery (ISRS) –International Council, Committee Member
• Nature Partner Journal (npj) Anti-Aging Medicine –Editor-in-Chief
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