# Comparative Study and Validation of New Methodologies for Measuring Addition

> **NCT06963138** · NA · COMPLETED · sponsor: **Essilor International** · enrollment: 54 (actual)

## Conditions studied

- Presbyopia
- Near Vision
- Refraction Error

## Interventions

- **DEVICE:** Visual Acuity
- **DEVICE:** Objective refraction
- **DEVICE:** Standard Subjective refraction
- **DEVICE:** Near vision examination and determination of additions
- **DEVICE:** Binocular vision tests
- **DEVICE:** Extended trial of addition

## Key facts

- **NCT ID:** NCT06963138
- **Lead sponsor:** Essilor International
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2025-03-31
- **Primary completion:** 2025-05-05
- **Final completion:** 2025-05-05
- **Target enrollment:** 54 (ACTUAL)
- **Last updated:** 2025-06-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06963138

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06963138, "Comparative Study and Validation of New Methodologies for Measuring Addition". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT06963138. Licensed CC0.

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