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NCT01234207 · ClinicalTrials.gov registry record · NA
Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle
A NA study of Presbyopia, sponsored by University of California, Berkeley.
- Completed
- Registry status
- NA
- Development phase
- 95
- Enrollment target
- 1
- Study location
NCT01234207: Completed NA study of Presbyopia, sponsored by University of California, Berkeley.
NCT01234207 is a NA study of Presbyopia that has completed, run by University of California, Berkeley. The registered enrollment target is 95 participants, below the 268-participant average among 38 other Presbyopia trials with a reported enrollment target (65% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01234207, a NA study of Presbyopia, has completed, sponsored by University of California, Berkeley.
- COMPLETED
- Registry status
- NA
- Development phase
- 95 participants
- Enrollment target
- 1
- Study location
Study Summary
The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of free-form surfaced, optically customized PAL spectacle.
Primary Outcome
Standard assessment of high contrast visual acuity at distance, as in normal clinical practice, using Baily-Lovey charts and the M\&S Technologies Smart System II visual acuity projection system.
Conditions Studied
Interventions
- DEVICE Standard, non-free-form, non-customized PAL spectacles
- DEVICE Individually customized free-form surfaced PAL spectacles
Study Locations (1)
California
- Clinical Research Center, School of Optometry, University of California, Berkeley - Berkeley
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 95 participants |
| Start Date | 2009-02 |
| Est. Completion | 2009-10 |
| Phase | NA |
What the finished NCT01234207 record still lists
NCT01234207 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 95 participants, a relatively small participant target, below the 268-participant average among 38 other Presbyopia trials with a reported enrollment target (65% lower).
The record links to 1 condition, with Presbyopia appearing as the primary indexed condition, and to 2 interventions - of which Standard, non-free-form, non-customized PAL spectacles is the first listed.
NCT01234207 reports a single indexed study location in California.
Frequently Asked Questions
What is clinical trial NCT01234207 about?
NCT01234207 is a clinical study titled "Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle". The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of free-form surfaced, optically customized PAL spectacle.
What is the current status of trial NCT01234207?
This trial is currently completed. It is a NA study. The enrollment target is 95 participants. The study started on 2009-02. Estimated completion is 2009-10.
What conditions does trial NCT01234207 study?
This clinical trial studies the following conditions: Presbyopia.
What interventions are being tested in trial NCT01234207?
The interventions under investigation include: Standard, non-free-form, non-customized PAL spectacles (DEVICE), Individually customized free-form surfaced PAL spectacles (DEVICE).
Who is sponsoring clinical trial NCT01234207?
This trial is sponsored by University of California, Berkeley, which has 72 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT01234207 being conducted?
This trial has 1 study location across California. 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 NCT01234207's enrollment target sits among peer trials
95 16th of 38 higher than 23 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
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Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix
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