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Results for “Contrast Allergies”

123 trials

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Showing 20 of 123 results

Not applicableUnknownNCT04927117
What this trial is testing

Evaluation of Visual Acuity in Myopic Cataract Patients Using Trifocal Intraocular Lens

Who this might be right for
CataractMyopiaIntraocular Lens
Aier School of Ophthalmology, Central South University 80
Not applicableActive Not RecruitingNCT04065490
What this trial is testing

Study of Photobiomodulation to Treat Dry Age-Related Macular Degeneration (LIGHTSITE III)

Who this might be right for
Dry Age-related Macular Degeneration
LumiThera, Inc. 96
Not applicableStudy completedNCT04778501
What this trial is testing

PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Asia

Who this might be right for
CataractLens OpacitiesAstigmatism
Beaver-Visitec International, Inc. 45
Post-approval studies (Phase 4)WithdrawnNCT02234375
What this trial is testing

Use of Gadolinium in CT Pulmonary Angiography

Who this might be right for
Pulmonary Embolism
Massachusetts General Hospital
Not applicableUnknownNCT04387721
What this trial is testing

Influence of Residual Astigmatism on Visual Acuity in Patients Undergoing Cataract Surgery With Trifocal Intraocular Lens Implantation

Who this might be right for
Cataract AfterAstigmatismIOL+1 more
Enrique Ordiñaga-Monreal, OD, MSc 48
Not applicableStudy completedNCT01926704
What this trial is testing

MTF Image Modifications

Who this might be right for
Modulation Transfer FunctionVisual AcuityContrast Sensitivity
Medical University of Vienna 30
Not applicableStudy completedNCT04061343
What this trial is testing

The Effects of Changing Light Levels on Contrast Sensitivity in Patients With Glaucoma

Who this might be right for
Glaucoma
Portsmouth Hospitals NHS Trust 115
Not applicableLooking for participantsNCT05486546
What this trial is testing

Contoura With Phorcides Compared to Wavefront Optimized LASIK

Who this might be right for
MyopiaAstigmatism
Daniel Terveen 120
Not applicableStudy completedNCT04213066
What this trial is testing

Stochastic Resonance Applied to Amblyopia Training and the Plasticity of Brain

Who this might be right for
AmblyopiaAmblyopia, Anisometropic
National Cheng-Kung University Hospital 51
Not applicableStudy completedNCT04919291
What this trial is testing

Direct Comparison of TG and WFO LASIK

Who this might be right for
Keratomileusis, Laser In SituContrast Sensitivity
Taipei Nobel Eye Clinic 21
Not applicableActive Not RecruitingNCT06739525
What this trial is testing

Effects of Blue of Glasses VS Standard Lenses on Contrast Sensitivity & Visual Fatigue in Myopic & Non-Myopic Adults

Who this might be right for
Myopia
Superior University 64
Not applicableStudy completedNCT05262504
What this trial is testing

Comparison of a Novel Non-diffractive Extended Depth of Focus Intraocular Lens (IOL) and a Trifocal IOL

Who this might be right for
Intraocular LensCataractQuality of Life
Baskent University Ankara Hospital 52
Not applicableNot Yet RecruitingNCT07409051
What this trial is testing

Persistence of Sensitization to Contrast Media

Who this might be right for
Contrast Media Allergy
University Hospital, Montpellier 100
Not applicableStudy completedNCT05428397
What this trial is testing

A Study, Called UV Population, to Learn More About the Safety of the Study Drug Ultravist, Which is Given to Get Clearer X-ray Pictures, in People of Different Sexes, Races, and From Different Countries/Regions

Who this might be right for
Contrast Enhanced X-ray Based Examination
Bayer 152,233
Not applicableStudy completedNCT04744467
What this trial is testing

PMCF Study on Monofocal Toric IOL (PODEYE TORIC)

Who this might be right for
CataractLens OpacitiesAstigmatism
Beaver-Visitec International, Inc. 12
Not applicableEnded earlyNCT04599023
What this trial is testing

Assessing the Feasibility of the MSPT Device in Routine Clinical Practice in the Swiss Healthcare System

Who this might be right for
Multiple SclerosisClinically Isolated Syndrome
Insel Gruppe AG, University Hospital Bern 182
Post-approval studies (Phase 4)Study completedNCT01746589
What this trial is testing

Visual Outcomes and Contrast Sensitivity After Myopic LASIK

Who this might be right for
Myopia
Daniel S. Durrie, MD 22
Not applicableLooking for participantsNCT05869760
What this trial is testing

Baylor Infant and Toddler Biomarker of Nutrition Study

Who this might be right for
Healthy NutritionHealthy Diet
Baylor College of Medicine 208
Not applicableEnded earlyNCT04040790
What this trial is testing

Performance of Rigid Gas Permeable (RGP) Scleral Contact Lenses With a Passive Artificial Iris

Who this might be right for
Low Vision
University Ghent 10
Not applicableStudy completedNCT01272596
What this trial is testing

Evaluation of Sloan-Charts for Assessment of Disease Progress in Multiple Sclerosis

Who this might be right for
Multiple Sclerosis
Charite University, Berlin, Germany 100
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