Fig. 3From: Optical coherence tomography for ocular surface and corneal diseases: a reviewIntrastromal corneal ring segments used in keratoconus. a Slit lamp photograph of an intrastromal corneal ring segment used for the treatment of keratoconus. b AS-OCT image captures the corneal intrastromal segment and helps assess its location and depth within the cornea (arrow)Back to article page