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Table 1 Tomographic parameters derived from Pentacam

From: Comparisons of corneal biomechanical and tomographic parameters among thin normal cornea, forme fruste keratoconus, and mild keratoconus

Parameters

Means

KmF

Mean keratometry from the anterior corneal surface

Kmax

Maximum keratometry from the anterior corneal surface

Astig F

Central astigmatism from the anterior corneal surface

ISV

Index of surface variance

IVA

Index of vertical asymmetry

KI

Keratoconus index

CKI

Central keratoconus index

IHA

Index of height asymmetry

IHD

Index of height decentration

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Eye and Vision

ISSN: 2326-0254