| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Phacoemulsification (PEA)is the most popular surgery for cataracts in the world. However，corneal endothelial damage still represents a serious complication， as excessive damage can lead to irreversible bullous keratopathy．The corneal endothelium can be damaged during PEA by various factors including localized temperature increases.
As the evaluation of the cornea endothelium damage in the temperature rise test during PEA, the anterior chamber temperature and the cornea endothelium temperature were measured at the same time using pig eyes. During simulated phacoemulsification in porcine eyes, aqueous humor temperature was measured by use of a temperature probe set in the anterior chamber filled with the viscoelastics. Viscoelastics can hinder adequate water circulation in the anterior chamber and induce temperature rise. Surgeons should pay attention to viscoelastic-related temperature rise in the aqueous humor during PEA.
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