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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