Changes of Angle Kappa After Implantation of Multifocal Intraocular Lenses

Changes of Angle Kappa After Implantation of Multifocal Intraocular Lenses

The purpose of this study is to evaluate possible changes of angle kappa after multifocal intraocular lens implantation. Presumable influencing factors of postoperative visual axis shift (ie. biometric parameters of the eye) are investigated to determine the degree and direction of angle kappa alterations.

The purpose of this study is to evaluate changes of angle kappa after multifocal intraocular lens implantation.

During cataract surgery Medicontur Bi-Flex 677MY IOL and Alcon Acrysof Restor SN6AD1 IOL are implanted. Optical biometry is carried out for IOL calculation and to measure axial length and angle kappa. Three months after surgery biometry is repeated, IOL position and angle kappa are measured using Scheimpflug-camera.

Inclusion Criteria:

• Patients with age related cataract and presbyopia

Exclusion Criteria:

• Patients with previous ocular surgery, trauma, active ocular disease, poorly dilated pupils, or known zonular weakness and corneal astigmatism >1.5 diopters were excluded from the study.