Cataract
Conditions
Keywords
cataract, intraocular lens
Brief summary
The objective of the study is to compare the visual outcomes of three aspheric monofocal intraocular lenses after cataract surgery - ACRYSOF® IQ, Tecnis® and Akreos® MI60.
Interventions
Replacement of natural crystalline lens in cataract surgery
Replacement of natural crystalline lens in cataract surgery
Replacement of natural crystalline lens in cataract surgery
Sponsors
Study design
Eligibility
Inclusion criteria
* Male or female subjects, aged 50 and over. * Subjects diagnosed with bilateral cataracts requiring cataract extraction and implantation of a posterior chamber intraocular lens. * Subjects must be willing to undertake the additional ophthalmic tests within 3 months of the second lens implantation. * Subjects must be assessed to be able to dilate to a minimum of 6 mm pre operatively. * Subjects' pupil size must be ≥ 4.5 mm in mesopic conditions.
Exclusion criteria
* Subjects who have previously had corneal surgery. * Subjects who have potential visual acuity which is \< 6/12 due to other ocular pathology * Subjects with corneal pathology. * Subjects with astigmatism of greater than 1D. * Subjects diagnosed with glaucoma. * Subjects diagnosed with diabetes. * Subjects who have previously participated in a clinical investigation within 30 days prior to enrolment * Subjects with a know history of poor compliance * Subjects with planned adjunctive surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Contrast sensitivity | 3 months |
Secondary
| Measure | Time frame |
|---|---|
| Visual acuity, contrast acuity, wavefront analysis, corneal spherical aberration, manifest refraction. | 3 months |
Countries
United States