| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
We developed a new treatment for corneal stromal thinning corneal stromal reconstruction using a biocompatible crosslinking agent composed of polyethylene glycol and model peptide and femtosecond laser in experimental rabbit. After horizontal incision was made to rabbit corneal stroma using a femtosecond laser, a mixture of a biocompatible crosslinking agent and type I collagen was injected into stromal pocket. An artificial stromal layer was confirmed in the middle layer of corneal stroma with a slit lamp microscope and an anterior ocular optical tomography postoperatively. In the histologic examination, an artificial stromal layer was also confirmed in the middle layer of the cornea. On the other hand, No invasion of blood vessels or inflammatory cells were observed at the injection site. Corneal stromal reconstruction using a new biocompatible crosslinking agent and femtosecond laser could be an effective treatment for thinning cornea.
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