Fig. 3
From: The refractive state of the eye in Icelandic horses with the Silver mutation
The refraction values according to age in all 152 Icelandic horses. Blue squares indicate wild-type horses, red crosses CT horses and red triangles TT horses. (Notice that some horses of the same age have the same refraction value and therefore some data points are superimposed on each other). Refraction values for both right and left eye are presented for each of the 152 horses