Check of Optical Features and Accuracy of the Zeiss ZO Lens After Selection and Calculation With OKULIX (ZO Okulix)

Carl Zeiss Meditec

Status and phase: Completed; Phase 4

Conditions: Cataract

Treatments: Device: Invent ZO; Device: XL Stabi ZO

Study type: Interventional

Funder types: Industry

Identifiers

NCT00842959

Acri.Tec-RES-DE-273

Details and patient eligibility

About

It is planned to implant the intraocular lenses XL Stabi ZO and Invent ZO into the eyes of patients for whom a cataract operation is medically indicated. The lenses are marketed and CE certified. Their implantation is clinical routine.

In the trial the accuracy of prediction of target refraction and the difference between calculated and measured contrast vision will be examined for both lens types.

Enrollment: 120 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Indication for cataract operation
• Written informed consent of patient after information

Exclusion criteria

• Immobility
• Limited capacity of understanding
• Diseases that hamper a follow-up examination
• Astigmatism >2.0 D
• Patients with ocular diseases who may be expected to show a vision of less than 0.63 (decimal) two months after cataract surgery with implantation of intraocular lens
• Complications during surgery, especially complications with positioning of the intraocular lens and with capsulorhexis

Trial design

120 participants in 1 patient group

ZO

Other group

Description:

XL Stabi ZO or Invent ZO

Treatment:

Device: XL Stabi ZO

Device: Invent ZO