Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT03118934 · ClinicalTrials.gov registry record · NA
Assessing Fitting Guides in Alcon Multifocal Contact Lenses
A NA study of Presbyopia and Refractive Errors, sponsored by Alcon Research.
- Completed
- Registry status
- NA
- Development phase
- 188
- Enrollment target
- 20
- Study locations
NCT03118934: Completed NA study of Presbyopia and Refractive Errors, sponsored by Alcon Research.
NCT03118934 is a NA study of Presbyopia and Refractive Errors that has completed, run by Alcon Research. The registered enrollment target is 188 participants, below the 266-participant average among 38 other Presbyopia trials with a reported enrollment target (29% lower). The trial reports 20 study locations across 13 states. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03118934, a NA study of Presbyopia and Refractive Errors, has completed, sponsored by Alcon Research.
- COMPLETED
- Registry status
- NA
- Development phase
- 188 participants
- Enrollment target
- 20
- Study locations
Study Summary
The purpose of this study is to compare an alternative fitting guide to a current fitting guide for optimizing contact lens parameters and determining contact lens prescription.
Primary Outcome
The Investigator used a multi-focal contact lens fitting guide to determine which study lens to fit
Conditions Studied
Interventions
- DEVICE Lotrafilcon B multifocal contact lenses
- DEVICE Nelfilcon A multifocal contact lenses
- DEVICE Delefilcon A multifocal contact lenses
Study Locations (20)
Other
- Alcon Investigative Site - Toronto
- Alcon Investigative Site - Coventry
- Alcon Investigative Site - Hereford
- Alcon Investigative Site - Monmouth
Florida
- Alcon Investigative Site - Pensacola
- Alcon Investigative Site - Tallahassee
Kansas
- Alcon Investigative Site - Pittsburg
- Alcon Investigative Site - Shawnee Mission
Minnesota
- Alcon Investigative Site - Eden Prairie
- Alcon Investigative Site - Medina
Tennessee
- Alcon Investigative Site - Memphis
- Alcon Investigative Site - Memphis
Arizona
- Alcon Investigative Site - Phoenix
California
- Alcon Investigative Site - San Diego
Michigan
- Alcon Investigative Site - Ann Arbor
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 188 participants |
| Start Date | 2017-05-17 |
| Est. Completion | 2017-07-28 |
| Phase | NA |
What the finished NCT03118934 record still lists
NCT03118934 is an interventional study that assigns participants to a tested intervention. The registered 188 participants enrollment target is mid-sized for trials with a published cap, below the 266-participant average among 38 other Presbyopia trials with a reported enrollment target (29% lower).
The record links to 2 conditions, with Presbyopia appearing as the primary indexed condition, and to 3 interventions - of which Lotrafilcon B multifocal contact lenses is the first listed.
NCT03118934 names 20 study sites across 13 states, led by Other, Florida, Kansas.
Frequently Asked Questions
What is clinical trial NCT03118934 about?
NCT03118934 is a clinical study titled "Assessing Fitting Guides in Alcon Multifocal Contact Lenses". The purpose of this study is to compare an alternative fitting guide to a current fitting guide for optimizing contact lens parameters and determining contact lens prescription.
What is the current status of trial NCT03118934?
This trial is currently completed. It is a NA study. The enrollment target is 188 participants. The study started on 2017-05-17. Estimated completion is 2017-07-28.
What conditions does trial NCT03118934 study?
This clinical trial studies the following conditions: Presbyopia, Refractive Errors.
What interventions are being tested in trial NCT03118934?
The interventions under investigation include: Lotrafilcon B multifocal contact lenses (DEVICE), Nelfilcon A multifocal contact lenses (DEVICE), Delefilcon A multifocal contact lenses (DEVICE).
Who is sponsoring clinical trial NCT03118934?
This trial is sponsored by Alcon Research, which has 275 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT03118934 being conducted?
This trial has 20 study locations across Arizona, California, Florida, Kansas, Michigan. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Presbyopia
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT03118934's enrollment target sits among peer trials
188 10th of 38 higher than 29 of 38 other Presbyopia trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Presbyopia trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
-
Post Market Clinical Evaluation of Clareon PanOptix Pro and Clareon PanOptix Pro Toric IOLs
RECRUITING · NA
-
A Clinical Comparison of Proclear® 1 Day Multifocal and Clariti® 1 Day Multifocal 3 Add
RECRUITING · NA
-
Presbyopic Wear Experience With Multifocal Lenses Compared to Single Vision Lenses and Reading Glasses
RECRUITING · NA
-
Clinical Applications of Advanced Ophthalmic Imaging
RECRUITING · NA
-
Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix
ACTIVE NOT RECRUITING · NA
-
Clinical Evaluation of a Small Aperture Extended Depth of Focus Intraocular Lens
COMPLETED · NA
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT03422198 · 188 participants · Phase 3
Short Course Vaginal Cuff Brachytherapy in Treating Participants With Stage I-II Endometrial Cancer
- NCT04469790 · 188 participants · NA
Effects of Multi-day Interruptions in Sitting on Type 2 Diabetes-relevant Outcomes in Children
- NCT04671667 · 188 participants · Phase 2
Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma
- NCT04853251 · 188 participants · Phase 4
A Study Assessing Corneal Endothelial Cells in Participants With Neovascular Age-related Macular Degeneration (nAMD) Treated With the Port Delivery System With Ranibizumab (PDS)
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI