Clinical trials: Visual Disorder
Vision, Low, Mobility Limitation
Evaluating Stairway Designs for Individuals With Vision Impairment
The goal of this study is to learn if contrast frequency on step tread-edges influences foot clearance measures, a marker of fall risk, in older adults with and without visual impairments.
- Trial name
- NCT07337317
- Testing
- Frequency of contrast marking on stair steps
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- The University of Alabama in Huntsville
Visual Suppression, Amblyopia
Autostereoscopic Dynamic Near Vision Testing
This is an analysis of tests of near vision. Visual perception testing using a novel program on an interactive three dimensional electronic device: Autostereoscopic dynamic near games for monocular visual acuity, stereopsis and…
- Conditions
- Visual Suppression, Amblyopia, Color Vision Defects
- Trial name
- PDICheck (NCT04606355)
- Testing
- Visual Acuity, stereopsis, Color vision
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Myopia, Myopia; Refractive Error
Efficacy and Visual Quality of Orthokeratology Lenses With Different Designs
Orthokeratology (ortho-k) lens is very effective in slowing down axial elongation in myopic children by 30% to 63% when compared to children wearing single-vision spectacles or contact lenses.
- Trial name
- NCT06825585
- Testing
- Orthokeratology with 5.0mm back optical zone diameter, Orthokeratology with a 6.2 mm back optical zone diameter
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiaoyan Yang
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Diplopia, Binocular Vision Suppression
Understanding Visual Confusion Using Stereoscopic Displays
In this research study we want to test how people understand a visual scene when the same image is presented to both the eyes, but portions of these images are altered in terms of contrast, depth or in some cases motion.
- Conditions
- Diplopia, Binocular Vision Suppression, Binocular; Fusion, With Defective Stereopsis, Monocular Diplopia
- Trial name
- NCT04957745
- Testing
- Binocular visual confusion (unilateral opaque), Unilateral monocular visual confusion (unilateral see-through), Bilateral monocular visual confusion (bilateral see-through)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Amblyopia
Amblyopia Treatment for Children Aged 8 to 12 Years
This study is being done to assess the effect of at-home amblyopia treatment with Curesight™ for children aged 8 to 12 years. Curesight™ allows you to stream any videos on a computer screen at home but the amblyopic eye will see…
- Trial name
- NCT07281742
- Testing
- Curesight dichoptic videos
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Retina Foundation of the Southwest
Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy
Healthy Little Eyes
The purpose of this research study is to gather more information on how eye injury is related to a baby's future development and see if eye function and brain test results can be used, along with current measures, to better…
- Conditions
- Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy, Encephalopathy
- Trial name
- NCT05971446
- Testing
- Visual Evoked Potential (VEP), Electroretinogram (ERG)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Developmental Dyslexia, Reading Problem
Personalization of Visual Characters and Text-to-Speech (TTS) to Support Learning in Students With Reading Difficulties
Previous research has shown the importance of font type, size and spacing to facilitate text reading in dyslexia. A special automatized procedure was designed to select the most favorable parameters for both text visualization…
- Trial name
- NCT06947512
- Testing
- Seleggo Test
- Where
- 3 sites in Italy
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- IRCCS Eugenio Medea
Cortical/Cerebral Visual Impairment, Cerebral Palsy
Examining the Effect of Eye Gaze Technology on Children With Cortical Visual Impairment
The goal of this study is to learn about eye gaze technology's use as an assessment and intervention of visual skills and the impact on occupational performance in children with cortical/cerebral visual impairment.
- Trial name
- NCT06067607
- Testing
- eye gaze technology
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rockhurst University
Dyspnea, Sleep Quality
Visual and Auditory Stimulation in Intensive Care Patients
This study is a randomized controlled experimental clinical trial designed to investigate the effects of visual and auditory stimulation on dyspnea severity, sleep quality, and anxiety levels in patients receiving noninvasive…
- Conditions
- Dyspnea, Sleep Quality, Anxiety, Intensive Care Patients
- Trial name
- NCT07895030
- Testing
- The Northern Lights and White Noise
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Yalova
Amblyopia, Strabismus
Vision In Preschoolers Study (VIP Study)
To identify vision-screening tests that can accurately predict those three- and four-year old preschoolers who would benefit from a comprehensive vision examination because of signs of amblyopia, strabismus, and/or significant…
- Conditions
- Amblyopia, Strabismus, Refractive Error
- Trial name
- NCT00038753
- Testing
- Vision Screening
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Overweight and Obesity
Weight Loss Goals and Satisfaction Survey
The goal of this observational survey pilot study is to learn how 3D visualization tools (i.e., personalized avatars) influence weight loss goals, satisfaction, confidence, and commitment compared to numerical weight outcomes in…
- Trial name
- NCT07541872
- Testing
- Personalized 3D Body Visualization
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
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
Vision Disorders, Eye; Movement Disorder (Binocular)
Characteristics of the Vergence Responses of Binocularly Normal Subjects After a Vision Therapy Protocol
A vision therapy protocol for vergence ability is mentioned. The purpose of this study is to evaluate objectively the change in the vergence responses of binocular and accommodative normal subjects after performing a classic…
- Conditions
- Vision Disorders, Eye; Movement Disorder (Binocular), Vision Therapy, Binocular Vision Disorder
- Trial name
- NCT05208658
- Testing
- Experimental: Classical Vision Therapy Treatment, Control: Eye Movement Therapy Treatment
- Where
- Spain
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Universitat Politècnica de Catalunya
Sensory Deficits
Falls Prevention: Gait-Synchronized Vibration System
The purpose of this study is to develop an abnormal gait detection algorithm and a vibratory stimulation system on a lower limb to improve gait stability and prevent falls.
- Trial name
- NCT02635113
- Testing
- Gait Synchronized Vibration System
- Volunteers
- healthy volunteers welcome
- Sponsor
- NYU Langone Health
Presbyopia, Refractive Error
Visual Performance of Prototype Contact Lens Designs
The aim of this study is to assess the visual performance of prototype soft contact lens designs compared to a commercially available contact lens
- Trial name
- NCT02193555
- Testing
- Etafilcon A, Senofilcon A
- Where
- Australia
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Pain, Postoperative
The Efface of Ketamine vs. Lidocaine in the Management of Pain After Laparoscopic Cholecystectomy
This prospective interventional study conducted at Liaquat National Hospital and Medical College compared the analgesic efficacy of ketamine and lidocaine in managing postoperative pain after laparoscopic cholecystectomy.
- Trial name
- NCT07248384
- Testing
- IV ketamine 0.5 mg/kg, IV Lidocain 60 mg/kg
- Where
- Pakistan
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Liaquat National Hospital & Medical College
Retina--Diseases, Retinal Detachment
Evaluation of Discomfort Associated With Scleral Depression During Retina Examinations
Scleral depression is an important technique used to examine the peripheral retina but often causes patient discomfort. The goal of this study was to compare levels of discomfort during scleral depression with a Schocket scleral…
- Conditions
- Retina--Diseases, Retinal Detachment, Retinal Degeneration
- Trial name
- DEPRESS (NCT04115917)
- Testing
- Schocket scleral depressor, Cotton tipped applicator
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
Nature, Human, Microbial Colonization
Biodiversity Interventions for Assisted Living Centers
Biodiversity is essential for nature and human well-being. Land use has reduced biodiversity in cities, which weakens the functionality of the urban ecosystems and the well-being of citizens.
- Conditions
- Nature, Human, Microbial Colonization, Well-Being, Psychological, Immune System and Related Disorders
- Trial name
- BIWE (NCT06390683)
- Testing
- Rewilding
- Where
- Finland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Natural Resources Institute Finland
Sleep Disturbance, Stress
Yoga for Persons With Severe Visual Impairment
This study aims to provide novel information on the feasibility of yoga interventions for secondary symptoms related to severe vision loss, such as sleep disturbances, negative mood states, fall risk and balance.
- Conditions
- Sleep Disturbance, Stress, Anxiety, Depression
- Trial name
- RPY (NCT01366677)
- Testing
- Yoga Intervention
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University