cataract Ocular disease
Conditions
Interventions
Implantation of extended depth of focus intraocular lens or trifocal IOLs bilaterally during surgery of bilateral cataract patients
Sponsors
Bissen Hiroko
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who meet all of the following criteria are included in this study: 1) Patients who will undergo bilateral cataract surgery and are eligible for multifocal IOL implantation in both eyes. 2) Patients aged from 60 to 79 years. 3) Patients whose postoperative refractions are intended for emmetropia.
Exclusion criteria
Exclusion criteria: Patients who fall into any of the following criteria are excluded from participating in the study. 1) Patients with other ocular disease influencing visual function, such as uveitis, acute ocular disease, external/internal infection, diabetic retinopathy, glaucoma, exfoliation syndrome, pathological miosis, keratoconus, corneal endothelial dystrophy, and weak zonule. 2) Patients with history of intraocular or corneal surgery 3) Patients with other systemic or ophthalmic diseases considered to be unsuitable by an investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Examine differences in binocular distance-corrected visual acuity at 30 cm and 40 cm of eyes with extended depth-of-focus or trifocal IOLs 3 months after implantation. Examine differences in severity of dysphoric phenomena between eyes with extended depth-of-focus and trifocal IOLs 3 months after implantation. | — |
Secondary
| Measure | Time frame |
|---|---|
| - Examine differences in binocular contrast sensitivity at distance 2.5m and near 1 m, 40 cm - Others: product deficiencies than primary and secondary outcomes | — |
Contacts
Public ContactHiroko Bissen
Tokyo Dental College Suidobashi Hospital
Outcome results
None listed