Femtosecond Laser Implantation of a 355-Degree Intrastromal Corneal Ring Segment in Keratoconus: A Three-Year Follow-Up

Table 1

Patient demographics.

Number of patients	26
Age
Mean ± SD	25.92 ± 5.44
Median (range)	24.5 (18–38)
Gender
Male, n (%)	11 (42.3)
Female, n (%)	15 (57.69)