Figure 3.

(a) Coaxially sighted corneal light reflex (CSCLR) marked; (b) 0° and 180° marked on patient's cornea by using horizontal slit-beam in sitting-down position; (c) Jacob clock gauge marker^TM and Jacob single-blade radial marker^TM (Epsilon Instruments, USA) used to mark clock hours/meridia as per individual patient's topographic plan for total arc length and taper transition; (d and e) Right and left Jacob curved Y-rods^TM and Jacob curved reverse Sinskey hooks^TM (Epsilon Eye Instruments, USA) used to insert CAIRS into femtosecond channel created in patient's cornea; (f) Customized CAIRS segment seen lying within cornea, the total arc length and taper zone well aligned and matching with marks placed on patient's cornea as per the topographic plan