N/A N=79 Patient Perception of Visual Distortions
Cataract · Astigmatism
Primary: Visual Distortion Symptoms — 0.89; 0.38; 0.64; 0.38 rating of visual distortion symptoms
Clinical Trial Search
Completed trials with posted results — search by concept, filter by the parameters that matter at the bedside.
N/A N=83 Accommodation Disorders
Accommodative Insufficiency · Ill-sustained Accommodation
Primary: Accommodation Lag 5D — 0.9 diopters
N/A N=30 Spectacles for Patients With Down Syndrome
Vision, Low
Primary: Adapted Visual Acuity — 0.256; 0.440; 0.356; 0.284 logMAR — p=0.341
N/A N=22 Optical Head-Mounted Display Technology for Low Vision Rehabilitation
Retinal Dystrophies · Healthy
Primary: Change in the Planimetric Area of Goldmann Visual Field With the Use of Head-mounted Display Technology Compared to Baseline (Measured in Degrees Squared) — 563.08…
N/A N=13 Understanding Visual Confusion Using Stereoscopic Displays
Diplopia · Binocular Vision Suppression · Binocular; Fusion, With Defective Stereopsis
Primary: Percentage of Total Viewing Time That Peripheral Target is Perceived — 73.56; 59.64; 87.81 Percentage of Time — p=<0.01
Phase 4 N=119 Clinical Investigation of the Vision-R800 Device.
Myopia · Hyperopia · Astigmatism
Primary: Subjective Questionnaire Response — 22; 32; 5; 3 Participants
Phase 2 N=42 Dilated Versus Non-Dilated Wavefront Corrections for Patients With Down Syndrome
Down Syndrome · Refractive Errors
Primary: Distance Visual Acuity — 0.41; 0.41; 0.40; 0.43 logMAR — p=0.92
N/A N=115 BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases
Glaucoma · Macular Degeneration · Glaucoma Suspect
Primary: Visual Impairment Measured by Visual Functioning Test — 80.6; 74.2; 81.1 score on a scale — p=0.011
N/A N=23 Recovery of Visual Acuity in People With Vestibular Deficits
Vestibular Neuronitis · Vestibular Neuronitis, Bilateral · Vestibular Schwannoma
Primary: Change in Visual Acuity During Head Movement From Baseline to Discharge — 0.198; .296 LogMAR
N/A N=100 Visual Function During Gait in Parkinson's Disease: Impact of Cognition and Response to Visual Cues
Parkinson's Disease
Primary: Visual Sampling Parameter: Saccade Frequency During Gait — 0.48; 0.76; 0.67; 0.77 Saccade frequency (sacc/sec)
N/A N=120 DigiVis: Self-testing Vision App for Telephone Consultations
Visual Impairment · Amblyopia Suspect
Primary: Mean Bias Between the Difference Between DigiVis and Standard Visual Assessment Compared to the Mean of DigiVis and Standard Visual Assessment — 0.112; 0.100 logMAR
N/A N=18 SmartHMD for Improved Mobility
Low Vision · Orientation · Mobility Limitation
Primary: Time-to-Complete — 14.75; 32.75; 148.17; 17.3 Seconds
N/A N=126 Evaluation of Toric Soft Contact Lenses Containing a Chromophore to Block High-Energy Visible Light
Visual Acuity
Primary: CLUE Comfort Score — 63.50; 65.28 Units on a scale
Phase 4 N=43 Evaluation of Electronic LogMar Visual Acuity and Contrast Sensitivity in a Population of Contact Lens Wearers
Visual Acuity
Primary: Visual Acuity (logMAR) — 0.15; 0.21; 0.02; 0.05 logMAR
N/A N=49 Collision Warning Device for Blind and Visually Impaired
Hemianopia · Hemianopsia · Peripheral Visual Field Defect
Primary: Number of Collision Incidents (All Contacts) — 13.79; 9.26 Rate (contacts per 100 hazards per hour) — p=< 0.001
Phase 3 N=188 Low Vision Depression Prevention Trial for Age Related Macular Degeneration
Age-related Macular Degeneration · Depression
Primary: Depression — 11; 18; 5; 11 participants — p=.067
N/A N=76 New Visual Acuity and Crowding Tests for Better Detection of Amblyopia
Amblyopia
Primary: Visual Acuity (LogMAR) — 0.004; 0.551; 0.320; 0.005 logMAR
Phase 2 N=323 Low Vision Intervention Trial II (LOVIT II)
Central Vision Loss From Macular Diseases
Primary: Comparison of Changes in Visual Reading Ability From Baseline to Four Months Later Measured With 48 Item VA Low Vision Visual Functioning Questionnaire — 1.29; 0.95…
N/A N=48 Visual Restoration for Hemianopia
Stroke Induced Vision Loss · Hemianopia · Quadrantanopia
Primary: 24-2 Humphrey PMD Change From Baseline to 6-month Post-training Timepoint — 0.84; 0.10; 0.58; 0.12 decibels
N/A N=100 Evaluation of a Night Spectacle Correction Concerning an Improvement of Mesopic Vision Quality
Myopia-Night Blindness
Primary: Night Myopia — -0.30; -0.32 D
N/A N=44 Novel Portable Diagnostic Device for Automatic Detection of Relative Afferent Pupillary Defect
Multiple Sclerosis · Glaucoma
Primary: Number of Participants With Detected Relative Afferent Pupillary Defect (RAPD) — 44; 37 participants
N/A N=200 Impairment of Reading Ability in Dry Eye Patients
Dry Eye Syndromes
Primary: Sustained Silent Reading Speed — 248.4; 270.3 words/minute
N/A N=4 Visuomotor Rehabilitation Training for Manual Task Deficits From Macular Scotomas
Scotoma, Central · Central Visual Impairment
Primary: Improvement in Eye-hand Coordination — 42.8; 45.4; 30.4; 71.0 Percentage
N/A N=60 The Effects of Contact Lenses With Experimental Dye on Visual Function
Ametropia
Primary: Two-Point Light Spread Function — 5.36; 6.71; 6.47; 7.48 mm
N/A N=109 Macular Pigment and Glare Disability
Vision, Entoptic
Primary: Macular Pigment Optical Density — 0.54; 0.42 optical density — p=0.01
N/A N=60 Performance Assessment of a Modified Daily Disposable Contact Lens
Refractive Errors · Myopia · Hyperopia
Primary: High Contrast Distance Visual Acuity (logMAR) — -0.04; -0.04; -0.05; -0.05 logMar
N/A N=35 Evaluation of Multifocal Contact Lens Designs With and Without an HEV Blocker on Visual Function
Visual Acuity
Primary: Starburst Diameter (mm) — 77.06; 64.13; 67.26; 54.24 mm
N/A N=318 Improving Quality Vision Outcomes in Managed Care Setting While Reducing Cost by Use of Accurate, Automated Screening
Amblyopia · Strabismus
Primary: Detection of Amblyopia and Strabismus in Children Ages 2-5 Using Automated Pediatric Vision Scanner Device — 6; 249; 0; 45 Participants
Phase 1 N=16 Computer Vision System for the Blind Veteran
Blindness
Primary: Frequency of Device Failures Per Attempt to Complete a Navigation Course — 4.1; 2 number of device failures per attempt
N/A N=301 Patient Perception of Visual Quality and Function
Cataract
Primary: Use of Corrective Visual Aids (i.e., Spectacles, Contact Lenses) Post Intraocular Lens (IOL) Surgery — 71; 8; 9 participants