Clinical trials: Visualization
Cataract
Visual Outcomes of Subjects Bilaterally Implanted With ReSTOR Aspheric +4 vs. Tecnis or Acri.LISA
This is a study to compare visual outcomes of subjects bilaterally implanted w/ReSTOR to subjects bilaterally implanted with the Tecnis Multifocal Intraocular Lens (IOL) or Acri.LISA IOL
- Trial name
- NCT00721253
- Testing
- ReSTOR, Tecnis, Acri.LISA
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Evoked Potentials, Visual
A Novel Method for Capturing the Visual Evoked Potential During Spine Surgery Under Total Intravenous Anesthesia
Spine surgery in the prone position (which involves lying face down) is associated with various visual changes, ranging from temporary changes in acuity (or sharpness) to permanent blindness.
- Trial name
- VEP (NCT02563028)
- Testing
- SightSaver Visual Stimulator
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Hospital for Special Surgery, New York
Glaucoma
Macular Pigment and Visual Performance in Glaucoma Patients
The purpose of this study is to determine cross-sectional relationships between macular pigment optical density (MPOD) and visual performance in glaucoma.
- Trial name
- NCT03959592
- Testing
- Lutein, zeaxanthin and mesozeaxanthin
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Felipe Medeiros, MD
Low Tension Glaucoma
Observational Study of the Long-term Effect of Latanoprost in Normal Tension Glaucoma
The purpose of this study is to assess the long-term efficacy and safety of latanoprost monotherapy in patients with normal tension glaucoma (NTG) using a prospective, observational design.
- Trial name
- NTG-X-PERT (NCT01209624)
- Volunteers
- 902 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Blindness
Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children
The BrainPort vision device is a visual prosthetic designed for those who are blind. It enables perception of visual information using the tongue and camera system as a paired substitute for the eye.
- Trial name
- NCT03002597
- Testing
- BrainPort V200 Device
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ellen Mitchell
Visual Acuity
Clinical Comparison of Two Marketed Reusable Cosmetic Contact Lenses
This will be a 4-visit, multi-site, randomized, brand-masked, bilateral, 2×2 crossover study. If a subject is found to meet all eligibility criteria, they will be randomized to one of two lens wear sequences.
- Trial name
- NCT03755882
- Testing
- ACUVUE® DEFINE™ Vivid Style, LACELLE™ Sparkling Brown
- Where
- China
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Anxiety
Assessing Visual Processing in High Anxiety
High trait anxiety, a stable personality trait, is a risk factor for psychiatric disorders. Individuals with high trait anxiety have difficulty differentiating safety from threat, including visual information like emotional…
- Trial name
- ALPHA (NCT04187326)
- Testing
- Facial Microexpression Training
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Worcester
Visual Acuity
Evaluation of Prototype Lenses With Experimental UV/HEV Blocker
This is a bilateral, 2-week dispensing, randomized, controlled, subject-masked, 2×2 crossover study to evaluate the clinical performance of prototype contact lenses with experimental UV/HEV-blocker.
- Trial name
- NCT04885296
- Testing
- TRP-200, JJVC Marketed Contact Lens
- Where
- 12 sites in United States
- Volunteers
- 228 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Visual Function After Implantation of Bilateral AcrySof® Toric Natural Intraocular Lens
The purpose of this study is to evaluate the effect that placement and power of the AcrySof Toric has on post-operative visual acuity and spectacle independence for distance vision.
- Trial name
- NCT00760487
- Testing
- AcrySof Toric IOL
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Alcon Research
Pain, Hysterectomy
Ultravision Visual Clearing System in Laparoscopic Hysterectomy and Myomectomy
This is a prospective blinded, randomized controlled study. The study will include three study arms: Patients undergoing laparoscopic hysterectomies will be randomized to one of either "Ultravision" (study arm 1) or "no…
- Conditions
- Pain, Hysterectomy, Myomectomy
- Trial name
- NCT03634306
- Testing
- Ultravision System, Laparoscopic Hysterectomy
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Mercy Research
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
Visual Acuity
Clinical Evaluation of Spherical Soft Contact Lenses, Toric Soft Contact Lenses and Spectacles in Low Astigmats
This will be a 5-visit, randomized, partially single-masked, bilateral wear, dispensing, 2-treatment × 2-period crossover study with spectacle-wear washout and wash-in periods.
- Trial name
- NCT05056870
- Testing
- ACUVUE Oasys 1-Day with HydraLuxe Technology for Astigmatism, ACUVUE Oasys 1-Day with HydraLuxe Technology
- Where
- 13 sites in United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism
In-office Evaluation of Two Toric Soft Contact Lenses and a Spherical Soft Contact Lens
The purpose of this study is to determine the relative performance of a new toric soft contact lens against a toric and a spherical contact lens currently available in market, specifically with regards to the fit and visual…
- Trial name
- NCT00584727
- Testing
- senofilcon A toric contact lens, alphafilcon A toric, etafilcon A sphere
- Volunteers
- 96 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Low Vision, Orientation
SmartHMD for Improved Mobility
The National Eye Institute estimated about 3 million people over age 40 in the US had low vision in 2010 and projects an increase to nearly 5 million in 2030 and 9 million in 2050.
- Conditions
- Low Vision, Orientation, Mobility Limitation, Navigation, Spatial
- Trial name
- NCT03781583
- Testing
- SmartHMD version 1, SmartHMD version 2, SmartHMD version 3
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- James Weiland
Crohn's Disease
PillCam® Platform With the PillCam Crohn's Disease Capsule
This is a prospective, multi-center (up to 6 sites) study which aims to To establish the effectiveness of the PillCam Platform with the PillCam Crohn's capsule as demonstrated by visualizing the small bowel and colon in patients…
- Trial name
- NCT01631435
- Testing
- Pillcam colon capsule and PillCam™ Prep Procedure, Ileocolonoscopy
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Medtronic - MITG
Brain Stem Neoplasm, Pineal Region Neoplasm
Entinostat in Treating Pediatric Patients With Recurrent or Refractory Solid Tumors
This phase I trial studies the side effects and best dose of entinostat in treating pediatric patients with solid tumors that have come back or have not responded to treatment.
- Conditions
- Brain Stem Neoplasm, Pineal Region Neoplasm, Recurrent Lymphoma, Recurrent Malignant Solid Neoplasm
- Trial name
- NCT02780804
- Testing
- Entinostat, Laboratory Biomarker Analysis, Pharmacological Study
- Where
- 21 sites in United States
- Volunteers
- 21 people
- Sponsor
- National Cancer Institute (NCI)
Stroke
Robotically Augmented Mental Practice
This project will develop and test a new paradigm of motor imagery for facilitating neuromotor excitability and performance of distal muscles in the upper limb by adopting a robotic prosthesis and integrating proven procedures…
- Trial name
- NCT04962698
- Testing
- Visual motor imagery (MI), Kinesthetic MI, Robotic-Hand Interaction with MI
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Georgia Institute of Technology
Stroke
Feasibility of Measuring Vertical Perception in Acute Stroke
The goal of this observational study is to establish if it is feasible to identify vertical perception deficits in people with acute stroke.
- Trial name
- NCT06301815
- Testing
- Scale for Contraversive Pushing, Catherine Bergego Scale, Bucket Test
- Where
- United Kingdom
- Volunteers
- 53 people
- Sponsor
- University of Winchester
Endoscopic Sinus Surgery, Nasal Polyps
Comparing Blood Loss and Visualization After the Preoperative Use of Topical 0.05% Oxymetazoline Versus 1:1000 Epinephrine Prior to Endoscopic Sinus Surgery
The purpose of this study is to compare the effects of Oxymetazoline and Epinephrine (which are 2 different nasal decongestants both of which are routinely used before sinus surgery) on blood loss and the surgeon's view of the…
- Trial name
- NCT03228914
- Testing
- Oxymetazoline, Epinephrine
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- The University of Texas Health Science Center, Houston
Visual Acuity
Clinical Evaluation of a Daily Wear Reusable Multifocal Optical Design in a Presbyopic Population
The clinical study is a bilateral, single-masked (partial), single-arm, clinical trial. A total of approximately 60 eligible subjects both near-sighted and far-sighted, will be targeted to complete the study.
- Trial name
- NCT04534517
- Testing
- JJV Investigational Multifocal Contact Lens, ACUVUE OASYS® with HYDRACLEAR® PLUS
- Where
- 11 sites in United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.