Comparison of Holladay equivalent keratometry readings and anterior corneal surface keratometry measurements in keratoconus

[11] Miller KM(2016)Comparison of a new image-guided system versus partial coherence interferometry, Scheimpflug imaging, and optical low-coherence reflectometry devices: keratometry and repeatability J Cataract Refract Surg 42 672-678

[12] Woodmass J(2006)Corneal higher order aberrations: a method to grade keratoconus J Refract Surg 22 539-545

[13] Rocha G(2011)Simulation of toric intraocular lens results: manual keratometry versus dual-zone automated keratometry from an integrated biometer J Cataract Refract Surg 37 2181-2187

[14] Falavarjani KG(2008)Validity of the keratometric index: evaluation by the Pentacam rotating Scheimpflug camera J Cataract Refract Surg 34 137-145

[15] Hashemi M(2012)Comparison of keratometry measurements using the Pentacam HR, the Orbscan IIz, and the TMS-4 topographer Ophthalmic Physiol Opt 32 539-546

[16] Joshaghani M(1986)Statistical methods for assessing agreement between two methods of clinical measurement Lancet 327 307-310

[17] Azadi P(2015)Repeatability and inter-device agreement for three different methods of keratometry: placido, Scheimpflug, and color LED corneal topography J Refract Surg 31 176-181

[18] Ghaempanah MJ(2015)Evaluation of keratometry with a novel Color-LED corneal topographer J Refract Surg 31 249-256

[19] Aghai GH(2016)Precision of 5 different keratometry devices Int Ophthalmol 36 17-20

[20] Lam S(2017)Placido disk-based topography versus high-resolution rotating Scheimpflug camera for corneal power measurements in keratoconic and post-LASIK eyes: reliability and agreement Int J Ophthalmol 10 453-334

[11] Miller KM(2016)Comparison of a new image-guided system versus partial coherence interferometry, Scheimpflug imaging, and optical low-coherence reflectometry devices: keratometry and repeatability J Cataract Refract Surg 42 672-678

[12] Woodmass J(2006)Corneal higher order aberrations: a method to grade keratoconus J Refract Surg 22 539-545

[13] Rocha G(2011)Simulation of toric intraocular lens results: manual keratometry versus dual-zone automated keratometry from an integrated biometer J Cataract Refract Surg 37 2181-2187

[14] Falavarjani KG(2008)Validity of the keratometric index: evaluation by the Pentacam rotating Scheimpflug camera J Cataract Refract Surg 34 137-145

[15] Hashemi M(2012)Comparison of keratometry measurements using the Pentacam HR, the Orbscan IIz, and the TMS-4 topographer Ophthalmic Physiol Opt 32 539-546

[16] Joshaghani M(1986)Statistical methods for assessing agreement between two methods of clinical measurement Lancet 327 307-310

[17] Azadi P(2015)Repeatability and inter-device agreement for three different methods of keratometry: placido, Scheimpflug, and color LED corneal topography J Refract Surg 31 176-181

[18] Ghaempanah MJ(2015)Evaluation of keratometry with a novel Color-LED corneal topographer J Refract Surg 31 249-256

[19] Aghai GH(2016)Precision of 5 different keratometry devices Int Ophthalmol 36 17-20

[20] Lam S(2017)Placido disk-based topography versus high-resolution rotating Scheimpflug camera for corneal power measurements in keratoconic and post-LASIK eyes: reliability and agreement Int J Ophthalmol 10 453-334