Clinical trials: Cataract
Pseudophakic Cystoid Macular Edema,, Diabetic Macular Edema
Ozurdex for Combined Pseudophakic Cystoid Macular Edema and Diabetic Macular Edema After Cataract Surgery
The purpose of the study is to determine where a sustained steroid delivery system (Ozurdex,Allergan) is safe and effective to treat Cystoid Macular Edema in diabetic patients after Cataract Surgery
- Trial name
- NCT01284478
- Testing
- Dexamethasone Implant
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Northern California Retina Vitreous Associates
Cataract
High-Definition 3D Visualization System for Ophthalmic Surgery
To validate a high-definition (HD) three-dimensional (3D) visualization system in cataract surgery
- Trial name
- NCT02194543
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Cataract; Eye Disease
The Utility of a Novel Eye Shield With Reusable Adhesive Anchors for Post-operative Care After Ophthalmic Surgery
The purpose of this research study is to evaluate the efficacy, patient preference, and utility of a novel eye shield that utilizes a different adhesive mechanism in comparison to the current standard of care.
- Trial name
- NCT05957796
- Testing
- Novel "Snaps" Eye Shield, Standard Alcon Eye Shield
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Augusta University
Cataract, Presbyopia
Clinical Investigation of a Small Aperture Extended Depth of Focus Intraocular Lens in Patients With Complex Corneas
The objective of this study is to evaluate the clinical outcomes of the IC-8 IOL implanted in patients with complex corneas after crystalline lens removal.
- Conditions
- Cataract, Presbyopia, Irregular Astigmatism
- Trial name
- NCT05574270
- Testing
- IC-8 Intraocular Lens (IOL)
- Where
- 2 sites in Philippines, Singapore
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Cataract
Non-genetic Risk Factors of Congenital Cataracts
Prevention and treatment of the reversible childhood blindness, including congenital cataracts (CC), has been listed as a significant component of the international programme "VISION 2020 - the Right to Sight" launched by WHO in…
- Trial name
- NCT03215186
- Testing
- observational study
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Cataract, Lens Opacity
Comparison of Clinical Outcomes POD L GF vs POD F GF (PHY1707)
Prospective, randomised, controlled, single-surgeon, single-center clinical study to compare the clinical outcomes of two trifocal IOLs differing in the dominance of additional power.
- Conditions
- Cataract, Lens Opacity, Presbyopia
- Trial name
- NCT03688399
- Testing
- IOL implantation experimental, IOL implantation comparator
- Where
- Hungary
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Subjects Undergoing Cataract Surgery and Insertion of IOL
Clinical Evaluation of TrueVision System: LRI and Capsulorhexis Templates
To evaluate the ability of the TRUEVISION 3D VISUALIZATION AND GUIDANCE SYSTEM FOR MICROSURGERY to provide the ophthalmic surgeon appropriate alignment, orientation and sizing information during cataract or refractive lens…
- Trial name
- NCT01123343
- Testing
- TrueVision 3D Visualization and Guidance System for MicroSurgery
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- TrueVision Systems, Inc
Cataract Surgery
Comparison of Pre-operative Measurements With Intraoperative Aberrometry in Predicting Correction for Low Toric Lens Correction in Cataract Surgery
Examination of the accuracy of toric predictive power in patients with 1.5 diopters of astigmatism or less.
- Trial name
- NCT04247152
- Testing
- Intraoperative Aberrometry vs preoperative biometry
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
Vision Impairment and Blindness, Glaucoma
Developing and Testing a Model to Identify Preventive Vision Loss Among Older Patients in General Practice
In this cohort study, the investigators will test vision screenings in Danish general practice for patients over 70 years of age with minimum one chronic condition.
- Conditions
- Vision Impairment and Blindness, Glaucoma, Age-Related Macular Degeneration, Cataract
- Trial name
- DETECT (NCT07015034)
- Testing
- focus on vision impairment in older patients in general practice
- Where
- 2 sites in Denmark
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Presbyopia, Pseudophakia
Identification of Minimum Focal Points in Vision Curve Formation
The primary objective of this study is to identify how many focal points and at which distances are necessary for reliable visual curve formation and area of the curve (AoC) calculation using mathematical models and comparing the…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06260852
- Testing
- Diagnostic Test: Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Cataract, Keratoconus
Clinical Study - ES 900 - 2020-2
The EYESTAR 900 with software version i9.5.1.0 includes new analysis functionality. Since its clinical performance cannot be assessed based solely on clinical literature as found in the Clinical Evaluation Report, further data…
- Trial name
- NCT04392349
- Testing
- Haag-Streit EYESTAR 900, Tomey CASIA 2, Oculus PENTACAM HR
- Where
- Switzerland
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Haag-Streit AG
Cataract
Analysis of Cataract Surgery Induced Dry Eye
This is a retrospective study to determine if rates of osmolarity and dry eye disease symptoms increase following cataract surgery.
- Trial name
- NCT01471561
- Where
- 4 sites in United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- TearLab Corporation
Cataract
Corneal Incisions With the IntraLase iFS Femtosecond Laser System
The IntraLase iFS femtosecond laser system can create corneal arcuate incisions for cataract surgery.
- Trial name
- NCT01713660
- Testing
- iFS Femtosecond Laser
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Aphakia
Clinical Study of a UV-Absorbing Acrylic Posterior Chamber Intraocular Lens
The purpose of this study is to assess the safety and efficacy of the HMY Model YA-60BB Intraocular Lens (IOL) when implanted in the posterior chamber of the human eye for the optical correction of aphakia following cataract…
- Trial name
- HMY (NCT00625313)
- Testing
- HMY Model YA-60BB IOL
- Where
- United States
- Volunteers
- 617 people, healthy volunteers welcome
- Sponsor
- Hoya Surgical Optics, Inc.
Lens Opacity
Effects of Lycium Barbarum Supplements on the Progression of Senile Cataract in Hong Kong Chinese Population
With the rapid growing aging population, age-related eye diseases including cataract are becoming more prevalent. The demand for cataract surgery and post-surgical care posed enormous financial burdens to the government.
- Trial name
- NCT01142960
- Testing
- Starch, Lycium Barbarum
- Where
- Hong Kong
- Volunteers
- 238 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Cataract, Traffic Accident
Validation of Mesopic and Photopic Contrast Vision Tests With Respect to Nighttime Driving Ability
A) The main purposes of this study are (i) to develop a related virtual reality (VR) environment in order to judge the nighttime driving ability under mesopic and under glare conditions (ophthalmologically healthy subjects and…
- Conditions
- Cataract, Traffic Accident, Vision Disorders, Driving Impaired
- Trial name
- ContrastVal (NCT03169855)
- Testing
- Slit lamp (LOCS III Score)
- Where
- Germany
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Aalen University
Cataract
Objective Visual Quality Analysis System is Used in Cataract
The Objective Visual Quality Analysis System (OQAS) is a new inspection technology used to objectively assess the visual quality of the human eye.
- Trial name
- NCT04757350
- Testing
- Observational research, not applicable
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Cataract
Clinical Evaluation of Modified 2.2mm Microincision Phacoemulsification for Age-related Cataract
This study is a single-center, parallel-group, randomized controlled trial with the following objectives: to compare the incidence of post-operative descemet membrane detachment (DMD) in phacoemulsification surgery between…
- Trial name
- NCT04014699
- Testing
- modified 2.2mm microincision, conventional 2.2mm microincision
- Where
- China
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Failed Conscious Sedation During Procedure
Controlled Sedation for Cataract Surgery
This study evaluates the surgeon and patient´s satisfaction who undergoes cataract surgery using either dexmedetomidine or remifentanil as sedation
- Trial name
- NCT03401606
- Testing
- remifentanil, Dexmedetomidine
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Fundación Universitaria de Ciencias de la Salud