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Table 6 Intraclass correlation coefficient of parameters between control and blepharospasm

From: Evaluation of Scheimpflug imaging parameters in blepharospasm and normal eyes

  Control Blepharoptosis
Mild Moderate Severe
Anterior
 Keratometric (K1, K2, Km) 0.991–0.994 0.984–0.998 0.992–0.996 0.981–0.992
 Topometric (ISV, IVA, KI, CKI, IHD, IHA) 0.982–0.989 0.972–0.994 0.987–0.994 0.946–0.978
 Elevation 0.975–0.985 0.964–0.991 0.943–0.965 0.923–0.967
Posterior
 Keratometric (K1, K2, Km) 0.967–0.995 0.981–0.995 0.942–0.987 0.921–0.965
 Elevation 0.932–0.985 0.946–0.979 0.921–0.954 0.934–0.981
Pachymetry
 Pachymetry parameters 0.945–0.967 0.945–0.967 0.923–0.956 0.943–0.956
 (Apex thickness, Min PI, Max PI) 0.978–0.981 0.954–0.976 0.925–0.975 0.932–0.967
  1. K1 flat keratometry, K2 steep keratometry, Km mean keratometry, ISV index of surface variance, IVA index of vertical asymmetry, KI keratoconus-index, CKI center keratoconus-index, IHD index of height decentration, IHA index of height asymmetry, PI progression index