Clinical trials: Eye Disorders
Keratoconus
Astigmatism in Keratoconus Patients
Keratoconus is a bilateral (but usually asymmetrical) non-inflammatory progressive thinning process of the cornea. It manifests as characteristic cone-like ectasia of the cornea associated with irregular stromal thinning…
- Trial name
- NCT03450213
- Testing
- Pentacam
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
Healthy Volunteers, Alzheimer Disease
Phase 1 Test-retest Evaluation of [18F]MNI-958 PET
The overall goal of this protocol is to evaluate [18F]MNI-958 also known as APN-0000455 or PM-PBB3, a tau targeted radiopharmaceutical.
- Conditions
- Healthy Volunteers, Alzheimer Disease, Progressive Supranuclear Palsy
- Trial name
- NCT03545789
- Testing
- [18F]MNI-958
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Invicro
Adenoma, Colo-rectal Cancer
A Dual Tandem Study - SC vs. CAD-EYE vs. CAD-EYE With G-EYE
Single-center, four-arm dual-tandem, randomized, open-label study involving the following devices: 1. The Standard Colonoscope is a high-definition colonoscope employing advanced optical filtering and enhancement techniques …
- Trial name
- NCT05318495
- Testing
- Standard Colonoscopy, CAD-EYE, G-EYE
- Where
- Germany
- Volunteers
- 372 people, healthy volunteers welcome
- Sponsor
- Dr. Horst Schmidt Klinik GmbH
Alzheimer's Disease, Cortical Basal Syndrome
18F-PM-PBB3 PET Study in Tauopathy Including Alzheimer's Disease, Other Dementias and Normal Controls
This is an open-label study to evaluate the performance of a novel tau imaging ligand in up to 36 subjects (12 AD, 3 FTD, 3 PSP, 3 CBS, 3 VCI and 12 HV).
- Conditions
- Alzheimer's Disease, Cortical Basal Syndrome, Frontotemporal Dementia, Progressive Supranuclear Palsy
- Trial name
- NCT03625128
- Testing
- F-18
- Where
- Taiwan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Keratoconjunctivitis Sicca
Tear Film Break-up Time After Instillation of Artificial Tears
This study is an exploratory trial evaluating the tear film break-up time after a single eye drop instillation of over-the-counter artificial tears.
- Trial name
- NCT00681265
- Testing
- glycerin, polyethylene glycol 400/propylene glycol
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Calm Water Therapeutics LLC
Amyotrophic Lateral Sclerosis (ALS), Angina, Stable
Quest to Analyze One Thousand Humans Meditating
This study will be focused on assessing the molecular, physiological, and emotional correlates of an intensive meditation experience in the context of a retreat setting in a large 2000 plus-person cohort comprised of healthy and…
- Conditions
- Amyotrophic Lateral Sclerosis (ALS), Angina, Stable, Anxiety, Asthma
- Trial name
- QUANTUM (NCT06583395)
- Testing
- Advanced multi-component meditation practice
- Where
- United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Tobias Moeller-Bertram
Myopia, Astigmatism
Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Background: Small Incision Lenticule Extraction or SMILE is a novel form of 'flapless' corneal refractive surgery that was adapted from Refractive Lenticule Extraction (ReLEx).
- Conditions
- Myopia, Astigmatism, Hypermetropia
- Trial name
- NCT01216475
- Testing
- Femtosecond LASIK, Small incision lenticule extraction (SMILE)
- Where
- Singapore
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopic Choroidal Neovascularization
Bevacizumab Intravitreal for Myopic Choroidal Neovascularization
To evaluate the clinical results of anti-VEGF intra-vitreal injections (IVT) in CNV secondary to pathologic myopia (PM-CNV).
- Trial name
- NCT00797992
- Testing
- Injection
- Where
- Brazil
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Instituto de Olhos de Goiania
Cataract
Veracity Surgical: A Time/Motion and Quality of Care Study
This study aims to compare the time required for surgical planning using these two methods and to explore whether differences in surgical accuracy can be identified in a small study of 40 patients.
- Trial name
- NCT04337892
- Testing
- Standard of Care4
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
Ametropia
Clinical Evaluation of HPT Treated Rigid Contact Lenses Made From Roflufocon D
This will be an up to six months, subject-masked, contralateral, parallel-group, randomised, daily wear study. All subjects will wear the Test lens in one eye and the Control lens in the other eye.
- Trial name
- NCT02553681
- Testing
- roflufocon D contact lenses, RGP contact lenses made from roflufocon D
- Where
- Germany
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Contamac Ltd
Presbyopia
Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle
The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of…
- Trial name
- CZV_PAL1 (NCT01234207)
- Testing
- Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Sjögren's Syndrome, Meibomian Gland Dysfunction
Is Sjögren's Syndrome Associated With Meibomian Gland Dysfunction ?
The investigators hypothesize that the dry eye caused by SS may include the evaporative type, resulting from the MGD. Furthermore, the investigators hypothesize that both pSS and sSS are associated with MGD.To test our…
- Trial name
- NCT03060005
- Testing
- Tears Naturale Forte, liposic
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tung Wah Hospital
Marfan Syndrome, Ectopia Lentis
Classifying Ectopia Lentis in Marfan Syndrome Into Five Grades of Increasing Severity
Marfan syndrome is characterized by musculoskeletal manifestations, cardiovascular disease and ocular abnormalities, particularly ectopia lentis.
- Trial name
- NCT04319107
- Testing
- ophthalmological examinations using a slit lamp bio microscopy and a three-mirror lens, standard procedure.
- Where
- France
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Myopia, Myopia Progression
Effect of Diffusion Optics Technology (DOT) Spectacle Lenses on Choroidal Thickness
The objective of the study is to measure the effect of Diffusion Optics Technology (DOT) spectacle lenses on the choroidal thickness and choroidal vascularity index compared to control lenses.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- ASH-2 (NCT05617794)
- Testing
- Diffusion Optics Technology (DOT) Pattern Spectacle Lens, Control Spectacle Lens
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Ametropia
Evaluation of Monthly Replacement Lenses in Habitual Soft Contact Lens Wearers Who Report Frequent Digital Devise Use
To evaluate the clinical performance of two monthly silicone hydrogel contact lenses in habitual wearers of frequent replacement (FRP) lenses when worn for 1-month.
- Trial name
- NCT05166902
- Testing
- Lens A (comfilcon A lens), Lens B (lehfilcon A lens)
- Where
- 4 sites in United States, Canada
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Intraocular Foreign Body
Extraction Routes of Intraocular Foreign Body
Intra ocular foreign body removal is indicated to avoid further many complications such as retinal detachment, endophthalmitis. The surgical approach for a posterior segment IOFB is pars plana vitrectomy and its extraction either…
- Trial name
- IOFB (NCT05966545)
- Testing
- pars plana vitrectomy and intraocular foreign body removal
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Hyperopia, Farsightedness
Correction of Farsightedness in Children Study
The Correction of Hyperopia In Children Study (CHICS) is a placebo-controlled, randomized, masked investigation of the effect of spectacle correction for moderate amounts of hyperopia on visual function, attention, and reading…
- Trial name
- CHICS (NCT00472212)
- Testing
- Spectacles, Control
- Where
- 4 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Glaucoma Open-Angle Primary
OCTA Study of Choroidal Vasculature in Open Angle Glaucoma Patients
The aim of the present study was to examine and measure SFCT and CCVD using respectively EDI-OCT and OCTA in preperimetric and advanced glaucomatous eyes, in order to shed light on the vascular pathogenesis of glaucoma disease.
- Trial name
- NCT05455567
- Testing
- OCTA
- Where
- Italy
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Federico II University
Healthy Subjects, Leber Hereditary Optic Neuropathy
Metabolomics Analysis According to the Retinal Nerve Fiber Layer in Patients With NOHL Mutations (MétabOCT)
Leber hereditary optic neuropathy (LHON), due to mitochondrial DNA (mtDNA) mutations, is responsible for profound visual impairment. However, there is evidence that optic nerve damage begins before vision declines.
- Trial name
- MétabOCT (NCT06682819)
- Testing
- Optical coherent tomography
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Hôpital Necker-Enfants Malades
Progressive Supranuclear Palsy (PSP), Corticobasal Degeneration
PROgressive Supranuclear Palsy CorTico-Basal Syndrome Multiple System Atrophy Longitudinal Study UK
Progressive Supranuclear Palsy (PSP), Cortico-Basal Degeneration (CBD) and Multiple System Atrophy (MSA) are degenerative brain conditions for which there are currently no curative treatments.
- Conditions
- Progressive Supranuclear Palsy (PSP), Corticobasal Degeneration, Multiple System Atrophy (MSA)
- Trial name
- PROSPECT-M (NCT02778607)
- Where
- United Kingdom
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- University College, London
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