(a)
(b)
(c)
(d)
(e)
(f)
Figure 4: Corneal flap margin and adjacent regions photographed by slit-lamp biomicroscopy at 6 months after surgery. A narrower and less spiculated circumferential band in the BCL-treated right eye (a) and a circumferential band with a spiculated temporal side (white arrow) in the non-BCL-treated left eye (b) of a patient. A circumferential band that is wider and more spiculated on the nasal side (white arrow) in the non-BCL-treated right eye (c) and a narrower and less spiculated circumferential band in the BCL-treated left eye (d) of a patient. A circumferential band that is wide and spiculated on both the temporal and nasal sides (white arrow) in the non-BCL-treated right eye (e) and a smooth, narrow circumferential band in the BCL-treated left eye (f) of a patient.