Clinical trials: Fixation, Ocular
Cataracts Infantile, Subluxation of Lens
Anterior Versus Posterior Artisan Intraocular Lens Fixation in Aphakic Children With Insufficient Capsular Support.
The Artisan lens (Artisan Aphakic, Ophtec BV) is an iris- claw lens designed for implantation in children with insufficient capsular support.
- Conditions
- Cataracts Infantile, Subluxation of Lens, Intraocular Lens Complication, Corneal Endothelial Cell Loss
- Trial name
- NCT06396156
- Testing
- Anterior enclavation, Posterior enclavation
- Where
- 2 sites in Egypt
- Volunteers
- 32 people
- Sponsor
- Cairo University
Amblyopia
OCT Eccentric Fixation and Amblyopia in Children
The objectives of this proposal are to characterize the relationship between OCT eccentric fixation (OCT-EF), fixation eye movement (FEM), macular sensitivity in children with amblyopia.
- Trial name
- NCT05714449
- Testing
- eye patch, After-image and MIT trainer
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- State University of New York College of Optometry
Lens Subluxation
A Modified-simple Technique for Managing Moderate and Severe Subluxated Lens Extraction
The investigators describe a modified knotless Z-suture technique to stabilize the capsular bag to the sclera in eyes with moderate and severe ectopic lentis requiring cataract surgery using a standard CTR.
- Trial name
- NCT06627062
- Testing
- moderate and severe subluxated lens extraction
- Where
- China
- Volunteers
- 9 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Amblyopia
Will Perceptual Learning Via Video Game Playing Improve Visual Acuity Stereopsis & Fixation Stability in Mild Amblyopes?
Contrast balanced dichoptic videogame training has been found to improve sensory functions in adults with amblyopia; best corrected distance visual acuity (BCVA) and stereopsis, but its effect on motor function, namely amblyopic…
- Trial name
- NCT02995174
- Testing
- Dichoptic video game in an i-Pod touch device, Video game in an i-Pod touch device
- Where
- Hong Kong
- Volunteers
- 23 people
- Sponsor
- The Hong Kong Polytechnic University
Amblyopia Bilateral, Hyperopia of Both Eyes
Hyperopia Detection GCK With Glow Fixation
"GoCheck Kids" has added to its iPhone 7+ smart phone with flash concentrator a non-accommodating glow box fixation target. In pediatric eye patients, the "GCK" with glow box is compared to cycloplegic refraction as well as…
- Conditions
- Amblyopia Bilateral, Hyperopia of Both Eyes, Astigmatism Bilateral, Accommodation Disorder
- Trial name
- NCT04297969
- Testing
- objective pediatric vision screen "GCK glow fixation"
- Where
- United States
- Volunteers
- 133 people
- Sponsor
- Alaska Blind Child Discovery
Fixation, Ocular, Brain Concussion
Concussion Pen Screening Tool
To compare the use of the Concussion Pen to current clinical care practice. This will be a prospective study of a maximum of 24 subjects, with a goal enrollment of 20 subjects (10 in each cohort).
- Trial name
- NCT05432752
- Testing
- Concussion Pen
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Children's Mercy Hospital Kansas City
Aphakia, Acquired
Scleral Fixation of BunnyLens With GoreTex Suture- Initial Results
This study evaluates the Visual Acuity and refraction of patients post 4-point Scleral fixation of BunnyLens (Intra Ocular Lens- IOL) with GoreTex sutures.
- Trial name
- NCT03437434
- Testing
- Visual Acuity
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- DAVID HAUSER
Myopia, Esophoria
Bifocal Soft Contact Lenses and Their Effect on Myopia Progression in Children and Adolescents.
The purpose of this study is to determine whether bifocal soft contact lenses are effective in controlling the progression of myopia in children and adolescents that exhibit a tendency to excessively cross their eyes while…
- Conditions
- Myopia, Esophoria, Fixation Disparity
- Trial name
- NCT00214487
- Testing
- Bifocal Contact Lenses
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Zygomatic and Lefort II Fractures, Infraorbital Rim Fixation
Post-operative Lower Eyelid Massage for Prevention of the Lower Eyelid Scare Contracture After Subciliary Approach
Patients were randomly allocated to the lower eyelid massage (experimental) or standard care (control) groups. The massage group received post-operative instructions.
- Conditions
- Zygomatic and Lefort II Fractures, Infraorbital Rim Fixation, Subciliary Approach Repair
- Trial name
- RCT (NCT06311318)
- Testing
- lower eyelid massage
- Volunteers
- 59 people
- Sponsor
- Chiang Mai University
Lens Diseases
Accuracy of Intra Ocular Lens CARLEVALE Calculation
The purpose of this study is to assess the accuracy of intra ocular lens power calculation using the new Carlevale sutureless scleral fixation posterior chamber intra ocular lens.
- Trial name
- NCT05368870
- Testing
- Carlevale implantation
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Poitiers University Hospital
Absence of Capsule Support, Aphakia
Clinical Observation of the Transscleral Suture Fixation of Posterior Chamber Intraocular Lens in Eyes With Inadequate Capsule Support
To present the follow-up outcomes of transscleral suture fixation of posterior chamber intraocular lens (PCIOL) in eyes with inadequate capsule support.
- Trial name
- NCT03817151
- Testing
- posterior chamber intraocular lens implantation
- Where
- China
- Volunteers
- 21 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Intraocular Lens Complication
Re-fixating Dislocated Scleral Fixing Intra-ocular Lens
To minimize multiple manipulations and to decrease the economical burden; here, we describe how to utilize the patient's own dislocated intraocular lens to re-fixate with the sclera.
- Trial name
- NCT05278949
- Testing
- The surgical intervention
- Where
- Iraq
- Volunteers
- 5 people
- Sponsor
- Omer Othman Abdullah
Retinal Diseases, Optic Nerve Diseases
Long-Working Distance OCT for Children
Young children age 6 month to 6 years are often not able to cooperate for advanced OCT eye imaging. The purpose of this study is to investigate the use of a novel long-working distance swept source (SS) optical coherence…
- Trial name
- LWDOCT (NCT02582164)
- Testing
- Duke Biomedical Engineering's Long-working distance OCT
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Duke University
Vision Disparity
Are There Different Objective Fixation Disparity Values for Two Different Test Paradigms
In optometry, binocular coordination is measured subjectively. The result is subjective fixation disparity. In research different experiments have proven, that subjective and objective fixation disparity are different.
- Trial name
- NCT02735278
- Testing
- different test paradigms
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Applied Sciences and Arts Northwestern Switzerland