Clinical trials: Accommodation
Healthy Young Adults, Accommodation Disorder
Study in Young Adults to Understand How Glasses With a Small Reading Addition Affect Focusing and Eye Coordination During Vision Tasks
This clinical study aims to understand how glasses with a small reading addition affect the way the eyes focus and work together in young adults with normal near vision.
- Trial name
- BIPBIP (NCT07859917)
- Testing
- Eye exam, Questionnaires, Washout lenses
- Where
- United Kingdom
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors, Cycloplegic Refraction
ML Models Predicting Cycloplegic Refractive Error Based on Non-Cycloplegic Parameters in Myopic Adults
This study presents a machine learning model that predicts cycloplegic refraction in adults with myopia using standard non-cycloplegic eye measurements, aiming to reduce the need for cycloplegic drops while still identifying…
- Conditions
- Refractive Errors, Cycloplegic Refraction, Accommodation
- Trial name
- NCT07690813
- Testing
- Machine learning model for predicting cycloplegic refraction
- Where
- China
- Volunteers
- 2,500 people
- Sponsor
- Second Affiliated Hospital of Nanchang University
Accommodation, Daily Activities
Project Independence
This project aims to develop and test the feasibility, acceptability, and preliminary impact of a brief, online single-session intervention (SSI) for caregivers of autistic youth ages 10 to 14.
- Conditions
- Accommodation, Daily Activities, Independence, Autism
- Trial name
- NCT07572110
- Testing
- Project Independence
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Miami
Myopia, Myopia Progression, Lag of Accommodation, Hyperopic Retinal Blur, Reduction in Contrast
Lag of Accommodation With DOT Spectacle Lenses
The objective of the study is to measure the difference in the lag of accommodation between DOT spectacle lenses and control spectacles.
- Trial name
- ASH (NCT04700111)
- Testing
- DOT Pattern, Control Spectacles
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Computer Vision Syndrome, Accommodation
Comparison of Two Contact Lens Designs
The proposed study will address this gap by comparing the efficacy of two novel stenfilcon A contact lens designs in alleviating accommodative burden associated with digital device usage.
- Trial name
- NCT07488208
- Testing
- Stenfilcon A contact lens designs with and without Digital Boost technology that incorporate a 0.3D add power into the lens
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Southern College of Optometry
Accommodation Disorder
Accommodative Behaviors in Multifocal Contact Lenses
Addition lenses are often used to treat a range of eye conditions. Addition lenses are specifically used to help patients who do not have the ability to focus their eyes to see clearly up close.
- Trial name
- NCT06064617
- Testing
- Center-Near (+2.50D) Coopervision Biofinity Multifocal Contact Lens, Center Distance (+2.50 D) Coopervision Biofinity Multifocal Contact Lens
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Visual Acuity, Accommodation
Exploring the Eye Care Benefits of Cordyceps Cicadae Across Different Age Groups
The aim of this study is to evaluate the underlying mechanisms of consuming two capsules (each containing 250 mg of Cordyceps cicadae mycelium, for a total intake of 500 mg) of Grape King's Cordyceps cicadae mycelium through a…
- Conditions
- Visual Acuity, Accommodation, Dry Eye
- Trial name
- NCT07135180
- Testing
- Cordyceps cicadae, Blank control
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Visual Acuity, Accommodation
Evaluation of the Protective Effects of Cordyceps Cicadae on Visual Function and Anti-Fatigue Performance in Esports Athletes
The objective of this study is to evaluate, through a clinical human consumption trial, the effects of taking two capsules (each containing 250 mg of Cordyceps cicadae mycelium, for a total intake of 500 mg per dose) of Grape…
- Conditions
- Visual Acuity, Accommodation, Dry Eye
- Trial name
- NCT07135193
- Testing
- Cordyceps cicadae, Blank control
- Where
- Taiwan
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Accommodation
The Changes Under Different Accommodation of Anterior Eye and 3D Crystal Reconstruction.
Accommodation is defined as a dynamic change in the overall refractive power of the eye during near fixation. Despite extensive investigations, the exact nature of human accommodation remains controversial.
- Trial name
- NCT06704503
- Where
- 2 sites in China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Cycloplegic Paralysis of Accommodation
Assessing Patient Comfort, Anxiety, and Satisfaction During CR Comparing Conventional Drops With ROC
This study aims to compare the efficacy of conventional cycloplegic agents, such as cyclopentolate, with rapid-onset cycloplegics, like a combination of tropicamide and phenylephrine, in reducing patient anxiety and discomfort…
- Trial name
- NCT06914063
- Testing
- Rapid-Onset Cycloplegic Drops, Conventional Cycloplegic Drops
- Where
- Pakistan
- Volunteers
- 74 people
- Sponsor
- Superior University
Family Accommodation, Nonadherence
Behavioral Interventions to Increase Parent Adherence With Behavior Plans
Many children with autism demonstrate severe problem behavior (SPB) in the form of self-injury, aggression, and disruptive behavior.
- Conditions
- Family Accommodation, Nonadherence, Behavior Problem
- Trial name
- NCT05238766
- Testing
- DEAL
- Where
- 2 sites in United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Accommodation Disorder, Keratoconus
Clinical Investigation for a Multifunction Ophthalmic Measurement Device
The purpose of this clinical investigation is to evaluate the clinical utility of a multifunctional measuring device for Ophtalmology.
- Conditions
- Accommodation Disorder, Keratoconus, Dry Eye, Refractive Errors
- Trial name
- NCT06565091
- Testing
- Measurements of physiological parameters of the anterior chamber, Measurements of the Axial biometry
- Where
- France
- Volunteers
- 378 people, healthy volunteers welcome
- Sponsor
- Essilor International
Accommodation Disorder, Visual Fatigue
Effects of Stulln and Accommodative Training
The present study tests the hypothesis that Stulln eyedrops improve accommodative functions by improving the short term facility of ciliary muscles that can be transferred into long-term adaptation.
- Trial name
- NCT05107791
- Testing
- Stulln Eyedrops, Thera Tears
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Pacific University
Anisometropic Amblyopia, Accommodation Disorder
Accommodation Response in Hypermetropic Anisometropia (ARIHA Study)
Anisometropic amblyopia is when one eye has a much stronger glasses prescription than the other, causing poor vision in one eye, even with glasses, because the brain favours the better-seeing eye.
- Trial name
- ARIHA (NCT06286410)
- Testing
- Bespoke glasses prescription worn during amblyopia treatment.
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
Accommodation Disorder, Accommodative Fatigue
Refractive Status and Accommodation Response Under Different Experimental Conditions.
Eye Care Professionals (ECPs) massively use auto-refractors during the patient journey to measure the objective refractive error: starting point of the subjective eye refraction.
- Conditions
- Accommodation Disorder, Accommodative Fatigue, Accommodative Inertia
- Trial name
- NCT06331780
- Testing
- Visual acuity, Objective refraction, Objective monocular accommodation amplitude measurement
- Where
- France
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Essilor International
Accommodation
Assessing Dynamic Reading Behaviors Using Eye-Tracking Tobii Glasses
HYPOTHESIS: 1. Horizontal convergence tracked with Tobii glasses is a reliable substitute for accommodation in young myopes and hyperopes with normal accommodative amplitudes 2.
- Trial name
- NCT05684224
- Testing
- Dynamic accommodation
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- State University of New York College of Optometry
Behavior, Process, Acceptance
Implementation of Ultrasound Guided Central Venous Catheter Confirmation Protocol
The bedside use of ultrasound after central venous catheter (CVCs) insertion has lagged behind other applications in medicine, thus presenting an opportunity for innovative, evidence-based research that will influence clinician…
- Conditions
- Behavior, Process, Acceptance, Inertia of Accommodation
- Trial name
- DRAUP (NCT04324762)
- Testing
- targetted implementation strategies
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Residents's Frailty in Temporary Accommodation, Residents's Quality of Life in Temporary Accommodation
Effectiveness of the Jeanne et Léon Program® on the Residents's Frailty in Temporary
The management of frailty is a difficulty in the Temporary Accommodation Residences. Frailty represents a risk of reducing the activities of the elderly person.
- Trial name
- FRAQOL (NCT05659706)
- Testing
- cognitive evaluations and non cognitive evaluations
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Jeanne et Leon Developpement
Concussion, Mild, Convergence Insufficiency
Spectacles Lens in Concussed Kids
We will be looking at 3 treatment arms in the form of different type of glasses to see if one is superior to helping kids have sustained a concussion and are symptomatic.
- Conditions
- Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
- Trial name
- SLICK (NCT03123822)
- Testing
- Glasses
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
COVID-19, Accommodation Spasm
Ocular and Cardiac Effects of Battle Ground
Mobile battle ground games are widely used in various age groups, there are ocular and cardiac affection that may affect users of this type of action games.
- Conditions
- COVID-19, Accommodation Spasm, Tachycardia, Stress Reaction
- Trial name
- NCT05377931
- Testing
- Changes in heart pulse rate, Changes in eye strain
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Benha University