Clinical trials: Visual Function
Cataract
Evaluation of Therapeutic Strategies in Pediatric Cataract Surgery
The purpose of this observational study is to assess the therapeutic strategies in the treatment of pediatric cataracts.
- Trial name
- EP3C (NCT02253017)
- Testing
- Children operated on for cataract
- Where
- France
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Child Development
The Role of Motion in Infants' Ability to Categorize
This study is concerned with psychological and physiological development in infants. Specifically, researchers are interested in when and how babies are able to group similar objects, like animals or vehicles, into the same…
- Trial name
- NCT00362076
- Where
- United States
- Volunteers
- 941 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Amblyopia
Early Detection and Prevention of Amblyopia and Visual Impairment Through Systematic Pediatric Vision Screening
Amblyopia, characterized by reduced visual acuity, develops in childhood due to insufficient sensory stimulation of the affected eye.
- Trial name
- FALSSE (NCT07112560)
- Testing
- Standard screening procedure for amblyopia, New amblyopia screening method using a virtual reality headset.
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Intraocular Pressure
Effect of Sevoflurane Concentration on Intraocular Pressure in Surgical Children With Healthy Eyes
One important goal in anesthetic management during ocular surgery is to provide adequate control of intraocular pressure (IOP). An increase in IOP may be catastrophic in patients with glaucoma or a penetrating open-eye injury.
- Trial name
- NCT01248689
- Testing
- concentration profile 1, concentration profile 2, concentration profile 3
- Where
- Israel
- Volunteers
- 21 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
Glaucoma
Assessment of the Ability to Distinguish Odors in Glaucoma Patients
Glaucoma is one of the leading causes of blindness worldwide. The key feature of glaucoma is damage to the optic nerve head with loss of retinal ganglion cells and local tissue remodeling.
- Trial name
- NCT00304824
- Volunteers
- 30 people
- Sponsor
- University Hospital, Basel, Switzerland
Hyperopia, Refractive Error
Optical Defocus to Stimulate Eye Elongation in Hyperopia
Axial hyperopia results when the length of the eye is too short for the eye to properly focus distance objects on the retina while the focusing system is relaxed.
- Trial name
- ODSEEH (NCT00950924)
- Testing
- Simultaneous Vision Bifocal Soft Contact Lenses, Single Vision Soft Contact Lenses
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Hearing Disorder
Genetic Analyses of Nonsyndromic and Syndromic Deafness in Pakistan
Objective: One objective of this study is to genetically map and identify mutated genes for human hereditary hearing loss. A second objective is to study the function of these genes in the auditory system using mouse models.
- Trial name
- NCT00341874
- Where
- Pakistan
- Volunteers
- 18,009 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Asperger Syndrome, High Functioning Autism
Portable Visual Guidance System Phase II
Abstract: In Phase I, we designed and tested a Portable Visual Guidance System (PVGS), which combines a PDA - for user guidance - and an Internet website - for linking the user to an educational support team.
- Trial name
- PVGS-II (NCT00848874)
- Testing
- PVGS
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- Minna Levine, PhD
Primary Congenital Glaucoma
Iris Tissue in Primary Congenital Glaucoma
To present the histopathological features of the iris tissue in primary congenital glaucoma which may play a role in pathogenesis
- Trial name
- NCT04079725
- Testing
- Combined trabeculotomy-trabeculectomy with mitomycin c
- Volunteers
- 15 people
- Sponsor
- Assiut University
Glaucoma, Filtering Surgery
Long-Term IOP Fluctuation and VF Progression After Triple Procedure
Long-term intraocular pressure (IOP) fluctuation may be significantly associated with the progression of glaucomatous visual field loss, even in patients kept always low IOP after triple procedure, an effective approach for…
- Conditions
- Glaucoma, Filtering Surgery, Intraocular Pressure
- Trial name
- NCT00428740
- Where
- South Korea
- Volunteers
- 300 people
- Sponsor
- Yonsei University
Preterm Less Than 32wks With IVH, WMI/PVL, Late Preterm or Term (37-42wks) With Neonatal Encephalopathy Treated With Hypothermia for HIE
Cerebral/ Cortical Visual Impairment: Screening, Identification and Outcome Prediction in Neonates
Cerebral/Cortical Visual Impairment (CVI) is the leading cause of childhood visual impairment in the United States and other industrialized countries.
- Trial name
- CVI (NCT07275021)
- Testing
- Prospective Clinical and Neurodevelopmental Data Collection
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Brigham and Women's Hospital
Dry Eye
Sodium Hyaluronate and Wavefront Aberrations in Dry Eyes
Eyes with abnormal tear film function have been found to show larger optical aberrations than normal eyes which may be attributed to the unstable and irregular tear film, uneven ocular surface, and increased scatter due to the…
- Trial name
- NCT01363414
- Testing
- 0.18% sodium hyaluronate, 0.9% sodium chloride solution
- Where
- Thailand
- Volunteers
- 50 people
- Sponsor
- Ramathibodi Hospital
Dry Eye
Effects of 3% Diquafosol on Tear Film and Vision-related Quality of Life in Orthokeratology Lens Related Dry Eye
Investigate the effect of 3% Diquafosol on tear film and vision-related quality of life in dry eye patients wearing orthokeratology lenses(OK lens), and to provide reference for clinical treatment.This prospective, open label…
- Trial name
- NCT06537349
- Testing
- 3% Diquafosol tetrasodium
- Volunteers
- 30 people
- Sponsor
- He Eye Hospital
Diabetic Retinopathy, Age-Related Macular Degeneration (AMD)
Genetics and Markers of Degenerative and Inflammatory Eye Diseases
This study will identify genes that are associated with inflammation or degeneration of the retina (membrane lining the back of the eye that relays vision signals to the brain).
- Conditions
- Diabetic Retinopathy, Age-Related Macular Degeneration (AMD), Uveitis
- Trial name
- NCT00647439
- Where
- United States
- Volunteers
- 609 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Amblyopia, Anisometropic, Amblyopia Strabismic
Validation of New Virtual Reality Treatment for Children With Lazy Eye Using the Vedea Amblyopia Therapy (VAT)
The purpose of this clinical study is to validate the effectiveness of the Vedea Amblyopia Therapy (VAT) as a treatment for children with lazy eye.
- Conditions
- Amblyopia, Anisometropic, Amblyopia Strabismic, Amblyopia
- Trial name
- VAT (NCT05620173)
- Testing
- Vedea Amblyopia Therapy (VAT), Occlusion therapy
- Where
- 2 sites in Netherlands
- Volunteers
- 74 people
- Sponsor
- Vedea Healthware BV
Eye Abnormalities
Modeling Ocular Developmental Diseases From 3D Cultures of Optic Vesicle Organoids Derived From hiPSCs of Patients With Ocular Malformations
Ocular morphogenesis is a complex process starting as early as the 4th week of embryonic life, involving interactions between varioustissues of different origin and conserved genes.
- Trial name
- OrganoEye (NCT06408701)
- Testing
- Blood sampling
- Where
- 2 sites in France
- Volunteers
- 20 people
- Sponsor
- University Hospital, Toulouse
Strabismus, Nystagmus, Congenital
Genetic Studies of Strabismus, Nystagmus, and Associated Disorders
Strabismus (misalignment of the eyes) often runs in families. In this study, the investigators are looking for genetic variants associated with strabismus and nystagmus.
- Trial name
- NCT04770519
- Testing
- whole genome sequencing or whole exome sequencing
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- Boston Children's Hospital
Partially Accommodative Esotropia
Medial Rectus Fenestration vs Recession for PAET
This prospective comparative study aims to compare medial rectus (MR) muscle fenestration and recession in patients with partially accommodative esotropia (PAET).
- Trial name
- NCT06298929
- Testing
- medial rectus fenestration, medial rectus recession
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Mansoura University
Glaucoma
Study of PGA Suture in Ophthalmology
To evaluate the safety and efficacy of polyglycolic acid suture in ophthalmic surgical procedures
- Trial name
- NCT00351429
- Testing
- Polyglycolic acid suture
- Where
- India
- Volunteers
- 50 people
- Sponsor
- Aurolab
Glaucoma, Ocular Hypertension
A Phase 1, Open-Label Study of Latanoprost Acid Plasma Concentrations in Pediatric and Adult Glaucoma Patients Treated With Latanoprost.
To evaluate the steady-state systemic plasma concentrations of latanoprost acid following administration of latanoprost 0.005% (1.5 ug) in pediatric and adult subjects with glaucoma or ocular hypertension.
- Trial name
- NCT00638742
- Testing
- latanoprost
- Where
- 13 sites in United States, Denmark and 4 more
- Volunteers
- 47 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.