# Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses

> **NCT00585026** · PHASE3 · TERMINATED · sponsor: **University of Alabama at Birmingham** · enrollment: 40 (estimated)

## Conditions studied

- Refractive Error
- Presbyopia
- Asthenopia
- Eyeglasses

## Interventions

- **DEVICE:** D-28 bifocal lenses and frame
- **DEVICE:** Progressive addition computer lenses and frame

## Key facts

- **NCT ID:** NCT00585026
- **Lead sponsor:** University of Alabama at Birmingham
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2006-10
- **Primary completion:** —
- **Final completion:** 2007-06
- **Target enrollment:** 40 (ESTIMATED)
- **Why stopped:** PI left UAB; protocol administratively terminated by UAB IRB.
- **Last updated:** 2011-06-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00585026

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00585026, "Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT00585026. Licensed CC0.

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