contrast acuity
Showing 1 - 25 of 5,536
Visual Acuity Trial in Athens (Test Lens, Control Lens)
Completed
- Visual Acuity
- Test Lens
- Control Lens
-
Athens, GeorgiaUniversity of Georgia
Dec 27, 2022
Optimising Visual Acuity Measurement in Macular Degeneration
Recruiting
- Age Related Macular Degeneration
- Visual acuity and contrast sensitivity measurement
-
London, United KingdomMoorfields Eye Hospital NHS Foundation Trust
Apr 4, 2022
Low Vision Trial in Ghent (Scleral contact lens without a passive artificial iris, Scleral contact lens with a passive
Terminated
- Low Vision
- Scleral contact lens without a passive artificial iris
- +3 more
-
Ghent, BelgiumUniversity Hospital Ghent (UZGent)
Apr 19, 2022
Amblyopia Trial in Santiago (Bilateral transcranial direct current stimulation)
Terminated
- Amblyopia
- Bilateral transcranial direct current stimulation
-
Santiago, Region Metropolitana, ChileFaculty of Medicine of University of Chile
Aug 20, 2021
Visual Parameters by Visual Evoked Potentials Captured by EEG
Recruiting
- Visual Neurosciences
- 68-electrode electroencephalography with steady state visual evoked potentials
-
Woluwe-Saint-Lambert, Bruxelles, BelgiumInstitute Of NeuroSciences
Jan 6, 2023
Visual Acuity Trial (Stroboscopic Glasses, Action Video Game)
Not yet recruiting
- Visual Acuity
- Stroboscopic Glasses
- Action Video Game
- (no location specified)
Jul 22, 2023
Cataract, Lens Opacities Trial in Worldwide (Implantation of premium monofocal IOL, LuxSmart (device under investigation),
Recruiting
- Cataract
- Lens Opacities
- Implantation of premium monofocal IOL, LuxSmart (device under investigation)
- Implantation of monofocal IOL, LuxGood (control device)
-
Vienna, Austria
- +7 more
Oct 23, 2023
Visual Acuity Trial in Jacksonville, Saint Augustine (Blink® Tears eye drops, Investigational lipid eye drops)
Completed
- Visual Acuity
- Blink® Tears eye drops
- Investigational lipid eye drops
-
Jacksonville, Florida
- +1 more
Nov 9, 2023
Visual Acuity Trial in Jacksonville (senofilcon A, Control)
Completed
- Visual Acuity
- senofilcon A
- Control
-
Jacksonville, FloridaVRC East
Aug 29, 2019
Cataract Trial in Heidelberg (Intra Ocular Lens (IOL) Implant)
Recruiting
- Cataract
- Intra Ocular Lens (IOL) Implant
-
Heidelberg, Im Neuenheimer Feld, GermanyUniversitäts-Augenklinik Heidelberg International Vision Correct
Oct 10, 2023
Assessment of Disease Progress in Multiple Sclerosis
Completed
- Multiple Sclerosis
-
Berlin, GermanyNeuroCure Clinical Reserach Center, Charité Universitaetsmedizin
Jul 28, 2021
ODYSight in Management of patientS With imparairEd Visual
Active, not recruiting
- Impaired Visual Acuity
- OdySight
-
Chambéry, Auvergne Rhône Alpes, France
- +7 more
Oct 4, 2023
OKKO Health Hyperacuity, Contrast and Colour Game Validation in
Recruiting
- Age-Related Macular Degeneration
-
Bristol, United KingdomBristol
Nov 16, 2022
Amblyopia Trial in Columbus (Optical Correction, Therapeutic Dichoptic Virtual Reality Games)
Recruiting
- Amblyopia
- Optical Correction
- Therapeutic Dichoptic Virtual Reality Games
-
Columbus, OhioThe Ohio State University College of Optometry
Sep 22, 2023
Dim Light Vision Disturbances Trial in United States (Phentolamine Ophthalmic Solution 0.75%, Phentolamine Ophthalmic Solution
Completed
- Dim Light Vision Disturbances
- Phentolamine Ophthalmic Solution 0.75%
- Phentolamine Ophthalmic Solution Vehicle (Placebo)
-
Newport Beach, California
- +16 more
May 20, 2022
Meibomian Gland Dysfunction Trial in San Antonio (Meibomian gland (MG) expression)
Not yet recruiting
- Meibomian Gland Dysfunction
- Meibomian gland (MG) expression
-
San Antonio, TexasUniversity of the Incarnate Word Rosenberg School of Optometry
Feb 1, 2023
Ptosis, Macular Degeneration, Ametropia Trial in New York (Virtual Reality Headset)
Recruiting
- Ptosis
- +2 more
- Virtual Reality Headset
-
New York, New YorkNew York Eye & Ear Infirmary of Mount Sinai
Jun 22, 2022
" Visual Characterization of Parkinson's Patients and Oculomotor
Not yet recruiting
- Parkinson Disease
- Clinical measurements
- Oculomotor or perceptual therapy
- (no location specified)
Sep 13, 2023
Constrast Sensitivity Trial (Carotenoids supplementation, Placebo)
Not yet recruiting
- Constrast Sensitivity
- Carotenoids supplementation
- Placebo
- (no location specified)
Oct 19, 2023
Age Related Macular Degeneration (AMD) Trial in Decatur (SPIN, Non-aerobic, stretching/balance intervention Control)
Not yet recruiting
- Age Related Macular Degeneration (AMD)
- SPIN
- Non-aerobic, stretching/balance intervention Control
-
Decatur, GeorgiaAtlanta VA Medical and Rehab Center, Decatur, GA
Jun 26, 2023
Trifocal IOL in Eyes With Different AL
Completed
- Cataract
- +4 more
- AT LISA tri 839MP (Carl Zeiss Meditec AG)
-
Beijing, Beijing, ChinaPeking University Third Hospital
Jun 20, 2022
Myopia, Astigmatism Trial in Sioux Falls (Contoura with Phorcides, WaveLight Wavefront Optimized)
Not yet recruiting
- Myopia
- Astigmatism
- Contoura with Phorcides
- WaveLight Wavefront Optimized
-
Sioux Falls, South DakotaVance Thompson Vision
Aug 1, 2022
Leber Hereditary Optic Neuropathy (LHON) Trial (NFS-02 Injection)
Not yet recruiting
- Leber Hereditary Optic Neuropathy (LHON)
- NFS-02 Injection
- (no location specified)
Apr 6, 2023
Trial
Not yet recruiting
- Leber Hereditary Optic Neuropathy (LHON)
- NR082 Injection
- Injection needle
- (no location specified)
Jan 30, 2023
Amblyopia Trial in Mérida (Visionary: computer exercises using dichoptic Gabor Patches and band-filtered noise masks, Patching)
Recruiting
- Amblyopia
- Visionary: computer exercises using dichoptic Gabor Patches and band-filtered noise masks
- Patching
-
Mérida, Extremadura, SpainServicio de Oftalmología del Hospital de Merida
Nov 20, 2023