Clinical trials: Eye Disorders
Autism Disorder, Language Development Disorders
Rural Autistic Individuals - Supporting Expression
This research study investigates how hand gestures can support language comprehension and communication skills of hearing speaking, non-speaking, and/or minimally verbal individuals with Autism Spectrum Disorders (ASD), who are…
- Conditions
- Autism Disorder, Language Development Disorders, ADHD, Typical Development
- Trial name
- RAISE (NCT07054866)
- Testing
- Speech-Gesture combinations
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Montana State University
Astigmatism
Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3
It is a common clinical practice to leave small amounts of astigmatism uncorrected in contact lens wearers. Therefore, some drivers who have astigmatism and wear contact lenses may experience blur while driving.
- Trial name
- NCT02950545
- Testing
- Spherical Lenses, Toric Lenses
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Myopia
Evaluation of the Post-LASIK Flap Thickness of the FS200 Femtosecond Laser Flap
The purpose of this study is to document the programmed flap thickness to achieved flap thickness using the FS200 femtosecond laser in performing LASIK procedure.
- Trial name
- NCT01693939
- Testing
- FS200 Femtosecond Laser
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Durrie Vision
Cataract, Lens Opacities
A Comparison of FineVision Intraocular Lenses vs Symfony Intraocular Lenses
This is a prospective randomised open-label study with the aim to compare the visual performance of the trifocal FineVision® IOL versus the extended range of vision Symfony® IOL after phaco-emulsification cataract surgery.
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT03974451
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Huntington Disease, Autobiographical Memory
Autobiographical Memory, Future Thought, and Eye Movements in Huntington's Disease
Huntington's disease (HD) is a hereditary neurodegenerative disorder characterized by progressively worsening motor, cognitive, psychiatric, and behavioral deficits.
- Trial name
- MAMOC-MH (NCT07409597)
- Testing
- neuropsychological tests, Eye tracker use
- Where
- France
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Diabetic Retinopathy
Proteomic Study of Plasma Exosomes in Patients With Diabetic Retinopathy
Objective: Explore the biomarkers related to proliferative diabetic retinopathy by analyzing the protein expression profile changes of plasma exosomes in patients with difference phases of diabetic retinopathy, and investigate…
- Trial name
- NCT06188013
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Xuanwu Hospital, Beijing
Ophthalmic Solutions, Glaucoma
Evaluation of a New Method for Instilling Eye Drops
The purpose of this project is to demonstrate that there is a new easier method to instill eye drops in ones own eye that is as effective as applying a drop directly to their open eye.
- Trial name
- NCT02697318
- Testing
- Timolol maleate 0.5% ophthalmic solution
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Conjunctival Diseases
Conjunctival Rebound After Scleral Lens Wear
Scleral lenses, customized rigid contact lenses that land on the soft and spongy conjunctival tissue overlying the sclera, will be fitted on 15 subjects with normal ocular surfaces.
- Trial name
- NCT04340518
- Testing
- Scleral lens
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Houston
Intraocular Pressure
The Effect of Brimonidine on Intraocular Pressure When Dilating Routine Patients
This an interventional study looking at two different sequences of pre-operative eye drops, to determine which order is more effective in reducing intraocular pressure with pupil dilation.
- Trial name
- NCT03139708
- Testing
- Alphagan, Phenylephrine, Tropicamide
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Dry Eye Syndrome
Oral Nutrition Impact on Tear Film
Dry eye disease (DED) is a common but often inadequately treated disease of the tears and surface of the eye. It can cause poor vision and chronic pain and is more frequent with increasing age.
- Trial name
- ONIT (NCT01561040)
- Testing
- Omega 3, Vitamins A, D3 and E
- Where
- 4 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Eye and Vision Technologies and Research Institute
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Augelux Therapeutics
Myopia
Assessing the Impact of Streetscape Exposure on Children's Perception
The primary objective is to determine how streetscape exposure influences children's visual perception and psychological perception.
- Trial name
- NCT07761949
- Testing
- Virtual simulation of street visual environment exposure
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Dry Eye Syndrome
Efficacy Comparative Study Between Tears Again®, Opticol® and Optive®
Primary Purpose: To compare the efficacy in treating dry eye syndrome in contact lens wearers or computer users of Tears Again® versus Opticol® versus Optive® Secondary Purpose: Subjective evaluation of symptomatology Evaluation…
- Trial name
- NCT00893243
- Where
- Portugal
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Hospital de Sao Sebastiao
Corneal Opacity
Comparison of Ultrasonic Pachymetry With Orbscan in Corneal Haze
This study is planned to compare the results of ultrasonic and Orbscan pachymetry in corneal haze not related to surgery. Corneal haze is graded with slit-lamp by a single examiner.
- Trial name
- NCT00439114
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Baskent University
Hypothyroidism, Subclinical Hypothyroidism
Thyroid Disorders in Malaysia: A Nationwide Multicentre Study
This will be a population based study looking at the prevalence of thyroid disorders in Malaysia (including hypo- and hyperthyroidism, subclinical hypo- or hyperthyroidism) and its association with different ethnicity and iodine…
- Conditions
- Hypothyroidism, Subclinical Hypothyroidism, Hyperthyroidism, Subclinical Hyperthyroidism
- Trial name
- MyEndo-Thyroid (NCT02190214)
- Volunteers
- 2,498 people, healthy volunteers welcome
- Sponsor
- International Islamic University Malaysia
Major Depressive Disorders
The Effects of Transcranial Magnetic Stimulation on Retina and Choroidal Structures
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMSEYE (NCT06615804)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Myopia
The Effects of Low-dose Atropine and Orthokeratology in Pediatric Myopia Control
Both orthokeratology and atropine eye drops are effective methods for myopia control, but few studies have compared them all together simultaneously.
- Trial name
- AVO (NCT05478356)
- Testing
- low-dose atropine eye drops, orthokeratology
- Where
- 2 sites in China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Evidence Based Cataract Study Group
Trachoma
Azithromycin Reduction to Reach Elimination of Trachoma
The investigators propose a randomized controlled trial of discontinuation versus continuation of annual mass azithromycin distribution in hypoendemic communities of Maradi, Niger.
- Trial name
- ARRET (NCT04185402)
- Testing
- Azithromycin
- Where
- Niger
- Volunteers
- 3,931 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Eye Diseases
Pix2pix Networks for Scheimpflug Corneal Tomography Image Generation
Computer-aided medical image analysis has advantages, but requires large amounts of training data, which are scarce and costly to obtain, are subject to privacy concerns, and are often highly imbalanced, with over-representation…
- Trial name
- NCT04582253
- Testing
- Scheimpflug Camera Corneal Tomography
- Where
- Egypt
- Volunteers
- 923 people, healthy volunteers welcome
- Sponsor
- Assiut University
Myopia
IntraLase vs Hansatome Flaps in LASIK
This study compared the clinical outcomes between fellow eyes randomized to either IntraLase femtosecond laser-created flaps or Hansatome mechanical keratome-created flaps during wavefront-guided laser in situ keratomileusis.
- Trial name
- NCT00691431
- Testing
- LASIK
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Stanford University
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