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Completed No phase listed Observational Accepts healthy volunteers Results available

Clinical Comparison of Length of Cataract Procedures With Zeiss Lumera Versus Older Zeiss Microscope

ClinicalTrials.gov ID: NCT03298841

Public ClinicalTrials.gov record NCT03298841. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 1:43 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Zeiss Lumera Microscope With Callisto Software

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study design will be a mix of retrospective (older Zeiss microscope previously in use at our surgery center) and prospective data collection with the Lumera and Callisto software. The Lumera and Callisto software system will be used for all cataract surgeries including toric analyses and lens placement.

Study identification

NCT ID
NCT03298841
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Toyos Clinic
Other
Enrollment
50 participants

Conditions and interventions

Conditions

Interventions

Device

Eligibility (public fields only)

Age range
18 Years to 100 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 28, 2017
Primary completion
Sep 19, 2017
Completion
Sep 19, 2017
Last update posted
Apr 21, 2021

2017

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Toyos Clinic Nashville Tennessee 37203

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03298841, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 21, 2021 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03298841 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →