Clinical trial · Observational
The Clinical Importance of Angle Alpha by Multifocal Intraocular Lenses.
The Impact of Visual Axis Position on the Optical Quality After Implantation of Multifocal Intraocular Lenses With Different Asphericity Values
NCT04274088CI-TRIAL-00043569completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Purpose: to evaluate the effect of visual axis positioning on the optical performance of the Tecnis MIOL and the Diff-aA MIOL.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| IOL, Cataract | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Cataract surgery | Procedure | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- label
- Tecnis;
- description
- Patients who received the Tecnis multifocal IOL.
- interventionNames
- Procedure: Cataract surgery
- label
- Diffractiva
- description
- Patients who received the Diffractiva multifocal IOL.
- interventionNames
- Procedure: Cataract surgery
Primary outcomes (1)
- measure
- Visual Acuity
- timeFrame
- 6 Month
- description
- Schnellen VA
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 80 Years
Show eligibility criteria text
Inclusion Criteria: * corneal astigmatism less than 1 diopter Exclusion Criteria: * ocular pathology others than cataract
References
Publications (1)
- DERIVEDMihaltz K, Vecsei-Marlovits PV. The impact of visual axis position on the optical quality after implantation of multifocal intraocular lenses with different asphericity values. Graefes Arch Clin Exp Ophthalmol. 2021 Mar;259(3):673-683. doi: 10.1007/s00417-020-05052-5. Epub 2021 Jan 20. PMID 33471202