# Influence of Blue Light Filtering Intraocular Lenses on Daytime Levels of Melatonin

> **NCT00444249** · NA · TERMINATED · sponsor: **The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery** · enrollment: 136 (estimated)

## Conditions studied

- Macular Degeneration

## Interventions

- **PROCEDURE:** White Alcon IOL
- **PROCEDURE:** Yellow Alcon IOL
- **PROCEDURE:** White Hoya IOL
- **PROCEDURE:** Yellow Hoya IOL

## Key facts

- **NCT ID:** NCT00444249
- **Lead sponsor:** The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2007-03
- **Primary completion:** 2008-08
- **Final completion:** 2008-08
- **Target enrollment:** 136 (ESTIMATED)
- **Why stopped:** Because only a few patients follow the inclusion and exclusion criteria.
- **Last updated:** 2009-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00444249

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00444249, "Influence of Blue Light Filtering Intraocular Lenses on Daytime Levels of Melatonin". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT00444249. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
