Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
The purpose of this study is to determine if differences in the design of multifocal intra-ocular lenses would mean different values of higher-order aberrations and different performance in objective parameters such as modulation transfer function.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Tecnis | Active Comparator |
| |
| ReSTOR | Active Comparator |
| |
| ReZoom | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tecnis implant | Device | Implant of diffractive multifocal IOL Tecnis |
| |
| Measure | Description | Time Frame |
|---|---|---|
| visual acuity, wavefront data and modulation transfer function | 30, 90 and 120 days after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| contrast sensitivity | 90 days after surgery |
Not provided
Inclusion Criteria:
Exclusion Criteria:
Any ocular diseases, such as:
Surgical complications
IOL tilt
IOL decentration greater than 0.4 mm (estimated by retroillumination)
Incomplete follow-up
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of São Paulo | São Paulo | São Paulo | 05403-000 | Brazil |
Not provided
| ID | Term |
|---|---|
| D002386 | Cataract |
| D001251 | Astigmatism |
| ID | Term |
|---|---|
| D007905 | Lens Diseases |
| D005128 | Eye Diseases |
| D012030 | Refractive Errors |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| ReSTOR implant |
| Device |
Implant of multifocal IOL ReSTOR |
|
| ReZoom implant | Device | Implant of multifocal IOL ReZoom |
|