Clinical Study to Evaluate the Visual Performance of Three Multifocal IOLs
Not Applicable
Completed
- Conditions
- Visual Acuity
- Interventions
- Device: Bifocal Intraocular LensDevice: Trifocal Intraocular LensDevice: 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
Group Intervention Description 809M Bifocal Intraocular Lens bifocal intraocular lens (IOL) 839MP Trifocal Intraocular Lens trifocal intraocular lens (IOL) SN6AD1 Low Addition Bifocal Intraocular Lens bifocal intraocular lens (IOL)
- Primary Outcome Measures
Name Time Method Intermediate visual acuity 12 months
- Secondary Outcome Measures
Name Time Method Distance visual acuity 12 months Near visual acuity 12 months