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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Int Ophthalmol Clin. 2016 Spring;56(2):129–141. doi: 10.1097/IIO.0000000000000102

Figure 4. KCN.

Figure 4

Keratoconus can be confused for corneal ectasia when looking at topography alone. Here there is moderate inferior steepening in more of an asymmetric bow tie manner.