Corneal Topography | 合法醫療器材資訊網

2021年2月25日—Inearly17thcentury,Schienerusedreflectionofmarblesfromthecorneaasperhapstheearliestcornealtopography.[1]Placido'sdiscwasa ...

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In early 17th century, Schiener used reflection of marbles from the cornea as perhaps the earliest corneal topography.[1]Placido’s disc was a major advancement in the late 19th century.[1][2] Placido disc has stood the test of time and the current placido based topographers work on the same principle of assessing the reflection of a concentric set of black and white rings from the convex anterior surface of the cornea. Recent advances in the technology use scanning slit methods for asses...