Clinical trials: Healthy Eyes
Fear Pain
Human Behaviors Related to the Expectation of Pain
The conditioned expectation of pain is an important aspect of pain-related disability produced by environments and stimuli associated with a painful injury on the job, although the neuroscience of this expectation is unclear.
- Trial name
- NCT03739645
- Testing
- Skin conductance levels and slopes over time in conditioned fear as metrics.as metrics for anxiety
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Sjogren's Syndrome
The Functioning of Immune and Hormonal Systems in Patients With Sjogren's Syndrome and in Healthy Volunteers
This study aims to learn more about how the immune and hormonal systems function in patients with Sjogren's syndrome, a disease in which the immune system does not function properly.
- Trial name
- NCT00001953
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Wave Form Signals Coming From the Eye in a Healthy Cohort
Neuro-ocular Baselines in a Sports Setting
Rebion (Rebiscan, Inc) has developed a noninvasive, handheld device that uses retinal birefringence scanning (RBS) to rapidly assess eye fixation and retinal integrity in adults and children.
- Trial name
- KY (NCT03653936)
- Testing
- HITT device
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Healthy Volunteer, Retinal Disease
Color Vision as a Measure for Inherited Retinal Diseases
Background: The purpose of this study is to find out whether color vision measured with the Cambridge Color Test is a good way to examine the severity of inherited retinal diseases (IRDs).
- Conditions
- Healthy Volunteer, Retinal Disease, Inherited Retinal Degeneration
- Trial name
- NCT01878032
- Where
- United States
- Volunteers
- 166 people
- Sponsor
- National Eye Institute (NEI)
Glaucoma, Healthy
Cause of Pigment Dispersion Syndrome
The purpose of this study is to learn how pigment is released from the iris (the colored part of the eye) in patients with pigment dispersion syndrome.
- Conditions
- Glaucoma, Healthy, Pigment Dispersion Syndrome
- Trial name
- NCT00005919
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Blindness, Brain Mapping
The Connection Between Areas in the Brain of Blind Patients
The purpose of this study is to test the belief that specific areas of the brain are connected differently in blind patients than patients with sight.
- Conditions
- Blindness, Brain Mapping, Healthy
- Trial name
- NCT00001926
- Testing
- O15, Cadwell rTMS
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy, Strabismus
Development of the Eye Motor System During the First 7 Months of Life in Infants With and Without a Family History of Cross-Eye
Little is known about the development of the ocular, or eye, motor system (the parts of the brain that control how the eyes move) in children.
- Trial name
- NCT00001143
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Healthy Volunteers Eligible for Study; Drug Being Developed for Allergic Conjunctivitis
Safety Study of Ophthalmic Solution in Healthy, Normal Volunteers
The purpose of this study is to evaluate the safety of R89674 0.25% ophthalmic solution in healthy normal volunteers
- Trial name
- NCT00223951
- Testing
- R89674 (generic name not yet established)
- Where
- 6 sites in United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Vistakon Pharmaceuticals
Preeclampsia Severe
Transorbital Ultrasound of Optic Nerve Sheath Diameter Between Healthy Pregnant Women and Those With Severe Preeclampsia.
The neurological alterations associated with preeclampsia depend on cerebral autoregulation, a theory that outlines the mechanisms by which the nervous system controls cerebral perfusion.
- Trial name
- NCT05594056
- Testing
- Transorbital ultrasound of the optic nerve sheet
- Where
- Panama
- Volunteers
- 100 people
- Sponsor
- Saint Thomas Hospital, Panama
Extraocular Retinoblastoma, Intraocular Retinoblastoma
Genetic Mutations and Environmental Exposure in Young Patients With Retinoblastoma and in Their Parents and Young Healthy Unrelated Volunteers
This laboratory study is looking at genetic mutations and environmental exposure in young patients with retinoblastoma and in their parents and young healthy unrelated volunteers.
- Conditions
- Extraocular Retinoblastoma, Intraocular Retinoblastoma, Recurrent Retinoblastoma
- Trial name
- NCT00690469
- Testing
- Laboratory Biomarker Analysis, Questionnaire Administration
- Where
- 52 sites in United States, Canada and 1 more
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- Children's Oncology Group
Healthy, Multiple Sclerosis
Normal Chinese Lifespan Brain Charts Initiative (NCLBCI)
Major brain diseases (including neuroimmune diseases, neurodegenerative diseases, and cerebrovascular diseases) are leading causes of death and disability in humans.
- Conditions
- Healthy, Multiple Sclerosis, Neuromyelitis Optica Spectrum Disorders, Neurodegenerative Diseases
- Trial name
- NCT06643858
- Testing
- No intervention
- Where
- China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Beijing Tiantan Hospital