Corneal asphericity and spherical aberration

A Calossi - Journal of Refractive Surgery, 2007 - journals.healio.com
ABSTRACT PURPOSE: To summarize the various values of asphericity in different notations
and present how corneal asphericity, corneal curvature, and entrance pupil diameter …

[HTML][HTML] Centration axis in refractive surgery

SA Mosquera, S Verma, C McAlinden - Eye and Vision, 2015 - Springer
The human eye is an asymmetric optical system and the real cornea is not a rotationally
symmetrical volume. Each optical element in the eye has its own optical and neural axes …

[HTML][HTML] Myopic versus hyperopic eyes: axial length, corneal shape and optical aberrations

L Llorente, S Barbero, D Cano, C Dorronsoro… - Journal of …, 2004 - jov.arvojournals.org
This study investigated differences in geometrical properties and optical aberrations
between a group of hyperopes and myopes (age-matched 30.3±5.2 and 30.5±3.8 years old …

Randomized prospective clinical study comparing induced aberrations with IntraLase and Hansatome flap creation in fellow eyes: potential impact on wavefront …

DB Tran, MA Sarayba, Z Bor, C Garufis… - Journal of Cataract & …, 2005 - journals.lww.com
Purpose: To measure and compare the changes in objective wavefront aberration and
subjective manifest refraction after laser in situ keratomileusis (LASIK) flap creation with a …

Q-factor customized ablation profile for the correction of myopic astigmatism

T Koller, HP Iseli, F Hafezi, M Mrochen… - Journal of Cataract & …, 2006 - Elsevier
PURPOSE: To compare the results of the Q-factor customized aspheric ablation profile with
the wavefront-guided customized ablation pattern for the correction of myopic astigmatism …

Postoperative changes in intraocular pressure and corneal biomechanical metrics: laser in situ keratomileusis versus laser-assisted subepithelial keratectomy

MA Qazi, JP Sanderson, AM Mahmoud… - Journal of Cataract & …, 2009 - Elsevier
PURPOSE: To compare intraocular pressure (IOP) and corneal biomechanical metric
changes after myopic laser in situ keratomileusis and laser-assisted subepithelial …

Comparison of corneal higher-order aberrations induced by myopic and hyperopic LASIK

T Kohnen, K Mahmoud, J Bühren - Ophthalmology, 2005 - Elsevier
OBJECTIVE: To compare the change in anterior corneal higher-order (third-to fifth-order)
aberrations (HOAs) induced by myopic and hyperopic LASIK. DESIGN: Retrospective …

Total and corneal optical aberrations induced by laser in situ keratomileusis for hyperopia

L Llorente, S Barbero, J Merayo… - Journal of Refractive …, 2004 - journals.healio.com
ABSTRACT PURPOSE: To evaluate changes induced by standard laser in situ
keratomileusis (LASIK) for hyperopia on total and corneal optical quality. METHODS: Total …

[HTML][HTML] Clinical outcomes of corneal vertex versus central pupil references with aberration-free ablation strategies and LASIK

MC Arbelaez, C Vidal… - … ophthalmology & visual …, 2008 - tvst.arvojournals.org
purpose. To compare the clinical outcomes of aberration-free ablation profiles based on the
normal corneal vertex (CV) and the pupil center (PC) in relation to laser in situ …

Patient-specific modeling of corneal refractive surgery outcomes and inverse estimation of elastic property changes

AS Roy, WJ Dupps Jr - 2011 - asmedigitalcollection.asme.org
The purpose of this study is to develop a 3D patient-specific finite element model (FEM) of
the cornea and sclera to compare predicted and in vivo refractive outcomes and to estimate …