Chronic Electromagnetic Exposure at Occupational Safety Level Does Not Affect the Metabolic Profile nor Cornea Healing after LASIK Surgery

Figure 4

¹³C-NMR spectrum of cornea lipid extract in CDCl₃/MeOD. Buckets are represented by black boxes and identified, as used in statistical analyses (a). Histogram representation of Kruskal-Wallis tests, using four classes: surgery/exposed (black box), surgery sham/exposed (strip box), surgery/sham exposed (light grey box), and sham surgery/sham exposed (white box) (b). PLS-DA correlation circle for type two tests: black boxes represent the sham-exposed groups; white circles represent the exposed groups (c).

(a)

(b)

(c)