KL and keratoconus: The analysis indicates notably strong positive correlations (p < 0.01) between PL and NL; HD and FD; TKW and SL, NL, PL; KC and SL, TKW; KL-WR and FD, HD, KC; KL and SL, TKW, KC, KL-WR; KW and SL, NL, PL, TKW, KC, KL.