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. 2017 Jun 1;12(6):e0178397. doi: 10.1371/journal.pone.0178397

Fig 4. Corneal polarimetric interferometry of type A pattern.

Fig 4

Frames of representative raw sequence (A-E) in a case in which the isogyre maintains its corneal cross-shaped pattern with the rotating scan of the LCP. (F) The final summary static image (SUM image) is characterized by a single “pear shaped” dark area with the major axis along the horizontal meridians. Peripheral isochromes are visible on individual photograms.