Clinical trials: Optic Disk, active
Neuro-Ophthalmology, Optic Neuropathies
Optic Nerve Head Evaluation Through Multimodal Blood Flow Analysis: a Prospective Observational, Multi-center Study
OCT-A and eco-colordoppler are technologies which enable optic nerve head (ONH) blood perfusion detection. The aim of the study is to assess ONH vascular and structural components in optic neuropathies with and without ONH edema…
- Conditions
- Neuro-Ophthalmology, Optic Neuropathies, Optic Atrophy, Hereditary, Leber, Optic Neuropathy, Anterior Ischemic
- Trial name
- FlowONH (NCT07075887)
- Volunteers
- 70 people
- Sponsor
- Barboni
Glaucoma
Optic Nerve Head Strain in Non-glaucoma Subjects
Persons who do not have glaucoma will have pictures taken of the optic nerve with a standard camera before and 2 weeks after starting to take a daily glaucoma eye drop to lower eye pressure.
- Trial name
- NCT07425535
- Testing
- Latanoprost (0.005%)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
no Obvious Abnormalities, Diabetic Retinopathy (DR)
Retinal Clinical Assessment With AI-derived Quantitative Information
This randomized controlled trial evaluates whether providing clinicians with AI-derived quantitative retinal information improves the quality and efficiency of retinal clinical assessment.
- Conditions
- no Obvious Abnormalities, Diabetic Retinopathy (DR), AMD, Cup-to-disc Ratio Bigger Than 0.5
- Trial name
- NCT07291960
- Testing
- AI-derived retinal quantitative information-assisted reporting
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Comparing Myopia Control Efficacy in Children With 4 Methods: Orthokeratology, DIMS, DISK, and SVS.
The goal of this clinical trial is to learn if 3 optical interventions（DIMS, DISC and orthokeratology) to control myopia have different efficacy to slow myopia progression in children when the control is single focus…
- Trial name
- NCT06654180
- Testing
- Orthokeratology, defocus-incorporated multiple segment lenses (DIMS) spectacles, DISK
- Where
- 2 sites in China
- Volunteers
- 100 people
- Sponsor
- Kaikai QIU
Refractive Errors
Measurment of Optic Disc Parameters, RNFL Thickness and Ganglion Cell Complex in Myopic, Hypermetropic and Emmetropic Patients Using OCT and Axial Length Measurments
To evaluate the optic disc parameters, thickness of ganglion cell complex (GCC), and thickness of peripapillary retinal nerve fiber layer (RNFL) in myopic and hyperopic and emmetrop patients using optical coherence tomography…
- Trial name
- NCT07241806
- Testing
- OCT
- Volunteers
- 266 people, healthy volunteers welcome
- Sponsor
- Assiut University
Idiopathic Intracranial Hypertension, Intracranial Pressure Increase
Prospective Ocular Imaging for Intracranial Pressure Evaluation
This is a prospectively recruiting, database development study collecting images and videos of the spontaneous venous pulsation at the back of people's eyes - this is a pulse one can see on examination of the back of the eye…
- Conditions
- Idiopathic Intracranial Hypertension, Intracranial Pressure Increase, Spontaneous Venous Pulsations
- Trial name
- POICCP (NCT06855342)
- Where
- United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- King's College Hospital NHS Trust
Controlled Hypotension for Nasal Surgeries
Effects of Different MAP Targets on Ocular Perfusion and Optic Nerve Microvasculature During Rhinoplasty
This randomized controlled trial aims to evaluate the effects of two different mean arterial pressure (MAP) targets during controlled hypotension on ocular perfusion and optic nerve head microvasculature in patients undergoing…
- Trial name
- NCT07832305
- Testing
- Lower MAP Target Strategy (50-60 mmHg), Higher MAP Target Strategy (60-70 mmHg)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Hitit University
Optic Disc Edema, Endothelial Dysfunction
B-Complex: A Nutraceutical SANS Countermeasure
In this project, the investigators propose to test effectiveness of a daily nutraceutical supplement containing bioactive B vitamins to mitigate optic disc edema in astronauts.
- Trial name
- NCT05366933
- Testing
- Vitamin B-Complex Supplement
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National Aeronautics and Space Administration (NASA)
Glaucoma, Open-Angle
Optic Nerve Head Strain as Biomarker for Glaucoma
The investigators will test the hypothesis that images of the optic nerve head taken a 2 different eye pressures will yield strain estimates that are predictive of the course of glaucoma.
- Trial name
- NCT06240312
- Testing
- Images of eye at 2 eye pressures
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University