Clinical trials: Visual Loss
Retinitis Pigmentosa, Usher Syndrome Type 2
Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)
The purpose of this study is to evaluate the efficacy safety and tolerability of QR-421a administered via intravitreal injection (IVT) in subjects with Retinitis Pigmentosa (RP) due to mutations in exon 13 of the USH2A gene with…
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- NCT05176717
- Testing
- QR-421a
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 5 people
- Sponsor
- Laboratoires Thea
Dental Caries, Teeth Loss
Impact of the Radiographic Examination on Diagnosis and Treatment Decision of Caries Lesions in Primary Teeth
Radiographs have been used to aid dentists in detecting the presence of cavities in the deciduous teeth of children. This procedure is globally recommended because the conventional clinical examination usually overlooks some…
- Conditions
- Dental Caries, Teeth Loss, Quality of Life
- Trial name
- CARDEC-1 (NCT02078453)
- Testing
- Dental treatment
- Where
- Brazil
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Optic Neuritis, Optic Neuropathy
Prospective Evaluation of the 2022 Optic Neuritis Criteria When Optic Neuritis Is Suspected
Optic neuritis is an important cause of acute or subacute visual loss. In clinical practice, optic neuritis must often be distinguished from other optic neuropathies, retinal diseases, anterior-segment or ocular media disorders…
- Conditions
- Optic Neuritis, Optic Neuropathy, Visual Loss
- Trial name
- GX-ICON (NCT07623252)
- Where
- 9 sites in China
- Volunteers
- 500 people
- Sponsor
- First Affiliated Hospital of Guangxi Medical University
Behavioral Dynamics, Visual Impairment
Behavioral Dynamics Between Infants With Visual Loss and Healthy Controls
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT03431207
- Testing
- Standardized video recording for behaviors
- Where
- China
- Volunteers
- 4,196 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Loss of Visual Contrast Sensitivity, Near Vision
Visual Performance Following Implantation of Presbyopia Correcting IOLs
The purpose of the current study was to compare the visual performance after bilateral implantation of the Panoptix IOL , or the AT LISA IOL or Tecnis Symfony IOL .
- Conditions
- Loss of Visual Contrast Sensitivity, Near Vision, Visual Impairment
- Trial name
- NCT04907955
- Testing
- phacoemulsification with implantation of presbyopia correcting IOL
- Where
- Kuwait
- Volunteers
- 50 people
- Sponsor
- Dar Al Shifa Hospital
Articulation Disorder, Dysarthria
Evaluating the Efficacy of Opti-Speech for Speech Treatment
The purpose of this study is to determine if feedback from a three-dimensional real-time visualization of the tongue, a program called Opti-Speech, can be used to improve speech.
- Conditions
- Articulation Disorder, Dysarthria, Prelingual Deafness
- Trial name
- NCT02705326
- Testing
- Opti-Speech
- Where
- 2 sites in United States
- Volunteers
- 37 people
- Sponsor
- Vulintus, Inc.