Assessment of Visual Function and Optics in Intraocular Lenses
Evaluating Subjective and Objective Performance of Instrumentation Used and Devices Implanted in Cataract Surgery
1 other identifier
interventional
500
1 country
1
Brief Summary
The main objective of this research is to assess visual function and optical performance of CE marked, implanted intraocular lenses to understand the individual factors that affect their performance and how these may be improved in future designs and to evaluate measurement techniques. All outcome measures will be captured 3-6 months after surgery
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Sep 2013
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 17, 2012
CompletedFirst Posted
Study publicly available on registry
July 31, 2012
CompletedStudy Start
First participant enrolled
September 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 30, 2030
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 30, 2030
January 21, 2026
January 1, 2026
17.3 years
July 17, 2012
January 19, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Unaided distance and near vision
Visual Acuity (logMAR)
Measured at 3-6 months after surgery
Secondary Outcomes (4)
Patient Satisfaction
Measured at 3-6 months after surgery
Residual refraction
Measured at 3-6 months after surgery
Aberrations
Measured at 3-6 months after surgery
Corrected distance and near acuity
Measured at 3-6 months after surgery
Study Arms (3)
Monofocal
PLACEBO COMPARATORMonofocal IOL Implant Manufacturers of IOLs used as monofocal comparator are Alcon, AMO, Bausch and Lomb, Lenstec, Oculentis, Ophthec, Physiol and Zeiss
Multifocal
EXPERIMENTALMultifocal IOL Manufacturers of multifocal IOLs under investigation are Alcon, AMO, Bausch and Lomb, Lenstec, Oculentis, Ophthec, Physiol and Zeiss
Toric
EXPERIMENTALToric IOL Manufacturers of toric IOLs under investigation are Alcon, AMO, Bausch and Lomb, Lenstec, Oculentis, Ophthec, Physiol and Zeiss
Interventions
Monofocal Intraocular lens will be implanted
Eligibility Criteria
You may qualify if:
- Subjects age between 40-85 years, may be either male or female, and may be of any race (as cataracts rarely occur before the age of 40 and above 85 other ocular pathology is common).
- Subjects requiring cataract surgery.
- Potential for best corrected visual acuity of 6/12 or better (as visual function in these patients will be affected by ocular pathology).
- Subjects with clear intraocular media other than cataract (as assessing cataract).
- General physical and mental condition allowing participation in current study.
- Subjects willing to participate as evidenced by signing the written informed
You may not qualify if:
- Prior surgery on the selected eye
- Previous uveitis or trauma to the selected eye, anterior or posterior synechiae
- Potential for best corrected visual acuity worse than 6/12 (since this may indicate other causes of ocular pathology)
- Partial or total paralysis, Parkinsons syndrome, cerebrovascular accident or other condition that could impact on the results of the study
- Subject over 85 years of age (ocular pathology more common in this age group)
- Subjects without adequate physical and mental capacity to enable participation in the study
- Subject unwilling to participate
- Systemic or topical medication known to influence visual function measures
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Aston Universitylead
Study Sites (1)
Birmingham Midland Eye Centre
Birmingham, West Midlands, B18 7QH, United Kingdom
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Sunil Shah, FRCS
Birmingham Midland Eye Centre
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 17, 2012
First Posted
July 31, 2012
Study Start
September 1, 2013
Primary Completion (Estimated)
November 30, 2030
Study Completion (Estimated)
November 30, 2030
Last Updated
January 21, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will share
Data collaboration will be considered on request