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A Comparison of Patient Perceptions Undergoing Manual Cataract Surgery (MCS) vs Refractive Laser-assisted Cataract Surgery (ReLACS) in First and Second Eyes | Clinical Trials | Clareo Health

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A Comparison of Patient Perceptions Undergoing Manual Cataract Surgery (MCS) vs Refractive Laser-assisted Cataract Surgery (ReLACS) in First and Second Eyes

NCT04623229•Uptown Eye Specialists

View on ClinicalTrials.gov

Summary

The focus of this study is to assess how pain can be mitigated for patients undergoing cataract surgery through the early application of anesthesia prior to the surgery as compared to the standard timing, and by using the ReLACS cataract surgery technique compared to the standard MCS technique.

Eligibility

Age

All ages

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•1. Patients undergoing uncomplicated cataract surgery with either surgical technique (MCS or ReLACS)
•2. Patients who require surgery in both eyes by same surgeon
•3. Able to understand English and complete a pain assessment

Exclusion Criteria

•1. Deafness or communication disorder, known Dementia, Severe COPD/Asthma (severe lung disorder), Severe OSA, Psychiatric or Anxiety conditions, involuntary movement disorders, allergy to the anesthesia, any conditions requiring intraoperative iris manipulation, any prior ocular surgery
•2. Pre-existing chronic eye pain or uveitis, or complicated cataracts (dislocation, zonulopathy)
•3. Pre-existing uncontrolled glaucoma/high IOP
•4. Intraoperative complications or non-routine cataracts (eg. Sutures, excessive time of surgery)
•5. Any patient who requires Deep Sedation (Propofol), GA or preOP Ativan
•6. Patients under 40, severe obesity (BMI \>35)
•7. Chronic pain/narcotics/Recreational/medical marijuana

Locations (1)

Uptown Eye Speicialists

Brampton, Otario, Canada

Key Dates

Start Date

July 1, 2019

Primary Completion Date

September 15, 2020

Completion Date

September 15, 2020

Last Updated

November 10, 2020

Enrollment

103

ACTUAL participants

Conditions

MCS vs ReLACSPain Perception Postoperatively First Eye vs Second EyeEarly Anesthesia vs Standard Anesthesia

Interventions

MCS

PROCEDURE

ReLACS Early

PROCEDURE

ReLACS Standard

PROCEDURE

Manual Immediately Sequential Bilateral Cataract Surgery (M-ISBCS) vs Refractive Laser-Assisted Immediately Sequential Bilateral Cataract Surgery (ReLA-ISBCS)

NCT05480839

MCS vs ReLACSPain Perception Postoperative+2 more

View study

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: November 10, 2020Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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