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Clinical Study to Evaluate the Visual Performance of Three Multifocal IOLs

Not Applicable
Completed
Conditions
Visual Acuity
Interventions
Device: Bifocal Intraocular Lens
Device: Trifocal Intraocular Lens
Device: Low Addition Bifocal Intraocular Lens
Registration Number
NCT02990689
Lead Sponsor
Carl Zeiss Meditec AG
Brief Summary

The purpose of this study is to compare the performances of 2 bifocal IOLs and 1 trifocal IOL for far, near and intermediate vision.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
55
Inclusion Criteria
  • Patients of any gender, aged 50 to 80 years
  • Signed informed consent form
  • Healthy eyes besides cataract
  • Assured follow-up examinations
  • Stable corneal conditions within the last 12 months
  • Corneal astigmatism less than 1D
  • Implantation into the capsular bag by injector
Exclusion Criteria
  • Degenerative visual disorders (e.g. macular degeneration, optic nerve atrophy, or retinal disorders)
  • Pseudophakia
  • Cornea guttata; keratoplasty
  • Irregular astigmatism (e.g. Keratoconus)
  • Corneal scarring
  • Diabetic retinopathy
  • Aniridia
  • Amblyopia
  • Amotio operation; anamnesis with vitreous surgery
  • Pseudoexfoliation Syndrome; Uveitis
  • Previous intraocular and corneal surgery
  • Intraocular tumours; endotamponade
  • Glaucoma or IOP higher than 24mmHg
  • Phlogistic intraocular processes or other pre-existing processes that permanently limit the best corrected visual acuity to > 0.3 logMAR
  • Need for a dioptre out of the range of +16.0D to +26.0D
  • Inability to achieve secure lens placement in the capsular bag
  • Any other pathology or condition presenting, according to the investigator opinion, a risk for the patient
  • Intraoperative complications, damaged posterior bag, intraocular haemorrhage, can opener rhexis
  • Pregnancy or lactation period for female patients

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
809MBifocal Intraocular Lensbifocal intraocular lens (IOL)
839MPTrifocal Intraocular Lenstrifocal intraocular lens (IOL)
SN6AD1Low Addition Bifocal Intraocular Lensbifocal intraocular lens (IOL)
Primary Outcome Measures
NameTimeMethod
Intermediate visual acuity12 months
Secondary Outcome Measures
NameTimeMethod
Distance visual acuity12 months
Near visual acuity12 months
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