Clinical trials: Visual Functions
Hemiparesis, Stroke
Visual Feedback Therapy for Treating Individuals With Hemiparesis Following Stroke
The purpose of the study is to determine whether an existing treatment for problems that participants have with making movements after a stroke can be performed at home.
- Trial name
- NCT01662960
- Testing
- Mirror therapy, Divider therapy
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Albert Einstein Healthcare Network
Visual Acuity
Clinical Assessment of Visual Function With the Acrysof ReSTOR Multifocal IOL
The purpose of this study is to assess uniocular and binocular unaided distance, intermediate, and near VA; contrast sensitivity, accommodation amplitude, stereopsis, glare testing, ocular aberrations and the clinical…
- Trial name
- NCT00759096
- Testing
- RESTOR IOL Model SA60D3
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Alcon Research
Cataract
Visual Function After Implantation of Bilateral AcrySoft ReSTOR Aspheric IOL
This study will involve up to 20 bilateral patients per surgeon. Patients will be assessed pre-operatively, and at subsequent visits (following the implantation of the intraocular lens in the second eye) at 1 week, 1 month, 3…
- Trial name
- NCT00934622
- Testing
- AcrySof® ReSTOR® Aspheric IOL
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Alcon Research
Alzheimer Disease, Dementia
Efficacy of Caregiver Training Program in Enhancing Caregiver and Patient Outcomes
As part of Phase II of the NIH SBIR grant, the study will conduct a randomized controlled clinical trial in which the MapHabit system (MHS) will offer a caregiver training product in adjunct.
- Conditions
- Alzheimer Disease, Dementia, Caregiver Burden, Assistive Technology
- Trial name
- NCT05527405
- Testing
- The MapHabit System
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- MapHabit, Inc.
Ametropia
The Effects of Contact Lenses With Experimental Dye on Visual Function
This is a single-site, two-visit, contralateral, non-dispensing, randomized, controlled and subject-masked study to measure potential benefits of the new UV blocker.
- Trial name
- NCT03556579
- Testing
- senofilcon A with new UV blocker, senofilcon A
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Acute Demylelinating Optic Neuritis
Fingolimod (FTY720) in Acute Demyelinating Optic Neuritis (ADON)
To evaluate the efficacy and safety of fingolimod 0.5mg versus placebo in patients with suspected acute demyelinating optic neuritis (ADON) receiving standard steroid treatment
- Trial name
- NCT01757691
- Testing
- Fingolimod 0.5mg/daily
- Where
- 2 sites in United States, Spain
- Volunteers
- 2 people
- Sponsor
- Novartis Pharmaceuticals
Cataracts
Visual Function Evaluation of Bilateral AcrySof ReSTOR Aspheric IOL
The objective of this study is to evaluate postoperative visual function in patients implanted bilaterally with the ReSTOR Aspheric Intraocular Lens (IOL).
- Trial name
- NCT00818116
- Testing
- AcrySof ReSTOR Aspheric IOL
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Alcon Research
Cataracts
Clinical Investigation of Visual Function After Bilateral Implantation of Two Presbyopia-Correcting Trifocal Intraocular Lenses (IOL)
The purpose of this study is to clinically evaluate the visual performance of two commercially available presbyopia-correcting Trifocal IOLs.
- Trial name
- NCT02691741
- Testing
- AcrySof® IQ PanOptix™ Presbyopia-Correcting IOL, AT LISA® tri IOL
- Volunteers
- 215 people
- Sponsor
- Alcon Research
Cataract
Presbyopia-Correcting Intraocular Lenses (IOLs)
The purpose of this study is to prospectively evaluate postoperative visual and refractive parameters in a series of subjects bilaterally implanted with Presbyopia-Correcting Intraocular Lenses (IOLs).
- Trial name
- NCT00963560
- Testing
- ReSTOR +3, Crystalens HD, Crystalens AO
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Alcon Research
Cataract
Visual Function and Patient Satisfaction After Bilateral Implantation of AcrySof Natural ReSTOR (Model SN60D3) or AcrySof Natural Monofocal (Model SN60AT)
The purpose of the study is: to compare visual parameters (Subjective refraction and Visual Acuity (VA)) and safety (tilt, decentration and posterior chamber opacification (PCO)) in a prospective series of 40 patients after…
- Trial name
- NCT00759668
- Testing
- Acrysof Natural ReSTOR SN60D3, Acrysof Natural Monofocal SN60AT
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Alcon Research
Non-arteritic Anterior Ischemic Optic Neuropathy (NAION), Trauma
Electric Stimulation of the Eye to Improve Vision After Trauma
Transcorneal Electrical Stimulation (TES) using the "OkuStim®" device delivers electrical impulses to damaged and/or diseased photoreceptor cells.
- Conditions
- Non-arteritic Anterior Ischemic Optic Neuropathy (NAION), Trauma, Multiple Sclerosis (MS)
- Trial name
- TES (NCT02019927)
- Testing
- Transcorneal Electrical Stimulation
- Where
- United States
- Volunteers
- 97 people
- Sponsor
- Wills Eye
Brain and Central Nervous System Tumors, Cognitive/Functional Effects
Donepezil in Treating Young Patients With Primary Brain Tumors Previously Treated With Radiation Therapy to the Brain
RATIONALE: Donepezil may decrease the side effects caused by radiation therapy to the brain. PURPOSE: This clinical trial is studying how well donepezil works in treating young patients with primary brain tumors previously…
- Conditions
- Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Long-term Effects Secondary to Cancer Therapy in Children, Neurotoxicity
- Trial name
- NCT00452868
- Testing
- Donepezil
- Where
- 2 sites in United States
- Volunteers
- 14 people
- Sponsor
- Wake Forest University Health Sciences
Visual Acuity
The Effects of Contact Lenses With UV/HEV-Filter on Visual Function
This is a 2-phase, single-site, non-dispensing, randomized, controlled, double-masked, 2x2 crossover study to objectively measure potential benefits of a new UV/HEV filter using psychophysical testing techniques.
- Trial name
- NCT05601544
- Testing
- ACUVUE OASYS 1-Day, ACUVUE OASYS MAX 1-Day, ACUVUE OASYS Multifocal
- Where
- United States
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Effects of Blue-light Blocking Lens on Visual Functions
Effects of Blue-light Blocking Lens on Visual Functions
Working Hypothesis: The blue-light blocking lens has no effect on the contrast sensitivity, accommodative response, color vision, and subjective grading of the quality of life and vision.
- Trial name
- NCT02821403
- Testing
- clear lens with regular coating, regular coating lens with yellow tint, clear lens with blue-light blocking coating
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Traumatic Optic Neuropathy
Traumatic Optic Neuropathy Treatment Trial (TONTT)
The pathophysiology of Traumatic Optic Neuropathy (TON) is thought to be multifactorial, and some researchers have also postulated a primary and secondary mechanism of injury.TON is categorized as direct or indirect.In indirect…
- Trial name
- TONTT (NCT01783847)
- Testing
- Recombinant human erythropoietin (EPO), Observation, Methyl prednisolone
- Where
- 3 sites in Iran
- Volunteers
- 117 people
- Sponsor
- Tehran University of Medical Sciences
Visual Function
Visual Function After Bilateral Implantation of AcrySof® Toric
The objective of this study was to evaluate visual function of AcrySof Toric and AcrySof Natural Intraocular Lenses (IOLs) following implant for replacement of cataract.
- Trial name
- NCT00758550
- Testing
- AcrySof® Toric IOL, AcrySof Natural
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Alcon Research
Back Pain Lower Back
Improvement in Pain,Function and HRQoL ( Health Related Quality of Life) in Subacute Low Back Pain: A Controlled Clinical Trial of Exercise vs NSAIDs (Nonsteroidal Antiinflammatory)
Our clinical trial has the purpose to evaluate the effectiveness in reducing pain and improving function and quality of life during a 6-months follow-up of a therapeutic exercise program compared to pharmacological treatment with…
- Trial name
- DLSEA (NCT01374269)
- Testing
- Exercise program, NSAID (Nonsteroidal anti-inflammatory drugs)
- Where
- 2 sites in Colombia
- Volunteers
- 90 people
- Sponsor
- Grupo Rehabilitacion en Salud
Cataract
A Comparison of Visual Function After Bilateral Implantation of Presbyopia-Correcting Intraocular Lenses (IOLs)
The purpose of this study is to evaluate visual and refractive parameters in a series of subjects bilaterally implanted with presbyopia-correcting intraocular lenses (IOLs) during cataract surgery.
- Trial name
- NCT01257217
- Testing
- AcrySof® IQ ReSTOR® +3.0 D Multifocal IOL Model SN6AD1, AcrySof® IQ ReSTOR® +3.0 D Multifocal Toric IOL Model SND1TT, Acri.LISA® 366D IOL
- Volunteers
- 31 people
- Sponsor
- Alcon Research
Multiple Sclerosis, Optic Neuritis
Ampyra for Optic Neuritis in Multiple Sclerosis
Fifty subjects will be enrolled in this Phase II, investigator-initiated, randomized and blinded cross-over trial of dalfampridine of 8 weeks duration The study will test the hypothesis that dalfampridine, when administered to…
- Trial name
- NCT01337986
- Where
- United States
- Volunteers
- 53 people
- Sponsor
- Washington University School of Medicine
Glaucoma
Human Optokinetic Contrast Device (HOCD) to Measure Visual Function and Identify Patients With and Without Glaucoma
The purpose of this study is to determine if an optokinetic contrast detection device is sufficient to measure contrast sensitivity and to distinguish between patients with and without glaucoma.
- Trial name
- HOCD (NCT02014597)
- Testing
- HOCD
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Benjamin Frankfort, MD, PhD