# Surface Refractive Index Shift and Lens Absorption/Adsorption of Tear Components of Kalifilcon A Lenses vs Dailies Total1 and Precision1

> **NCT04840563** · NA · COMPLETED · sponsor: **Bausch & Lomb Incorporated** · enrollment: 10 (actual)

## Conditions studied

- Habitual Soft Contact Lens Use

## Interventions

- **DEVICE:** Kalifon A
- **DEVICE:** Dailies Total1
- **DEVICE:** Precision1

## Key facts

- **NCT ID:** NCT04840563
- **Lead sponsor:** Bausch & Lomb Incorporated
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-07
- **Primary completion:** 2021-04-15
- **Final completion:** 2021-04-15
- **Target enrollment:** 10 (ACTUAL)
- **Last updated:** 2021-07-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04840563

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04840563, "Surface Refractive Index Shift and Lens Absorption/Adsorption of Tear Components of Kalifilcon A Lenses vs Dailies Total1 and Precision1". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04840563. Licensed CC0.

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