Clinical trials: Lens Disease
Astigmatism, Cataract
Limbal Relaxing Incision Versus Toric Intraocular Lens for Corneal Astigmatism During Cataract Surgery.
This study will compare toric intra-ocular lens (IOL) with limbal relaxing incisions (LRI) in correcting astigmatism in patient undergoing standard cataract surgery.
- Trial name
- NCT02067429
- Testing
- Limbal Relaxing Incisions, Toric Intraocular Lens
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Christin Henein
Binocular Dysfunction, Vertical Heterophoria
Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria
The purpose of this study is to demonstrate whether, in patients diagnosed with Vertical Heterophoria, the symptoms of dizziness, headache and / or anxiety are reduced or eliminated when a kind of correction called vertical prism…
- Conditions
- Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular, Vision Disparity
- Trial name
- NCT00785135
- Testing
- Lenses containing prismatic correction, Lenses not containing prismatic correction
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Vision Specialists of Birmingham
Age-Related Macular Changes, Age-Related Macular Degeneration
Effects of Sun Filters on Age-related Macular Degeneration in People With Lens Implants
This study will test a new method for preventing worsening of age-related macular degeneration (AMD) and for developing imaging methods to follow the very earliest microscopic changes in the disease.
- Conditions
- Age-Related Macular Changes, Age-Related Macular Degeneration, Cataract and IOL Surgery, Retinal Photochemistry
- Trial name
- NCT00487838
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Cataract, Presbyopia
A Randomised Evaluation of Visual Function After Bilateral Implantation of Two Types of Presbyopia-correcting IOLs
Since the introduction of intraocular lenses (IOL) in the treatment of cataract, the postoperative accommodative loss of the human eye has been a trending topic.
- Trial name
- NCT03117426
- Testing
- SYMFONY IOL, AT LISA tri 839MP IOL
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Cataract
Computer-based Tutorial as Supportive Means to Enhance the Informed Consent Process for Cataract Surgery
To assess whether a computer-based tutorial as supportive means enhances quality and efficiency of the informed consent process for cataract surgery focussing on the patients' attitude before and after surgery.
- Trial name
- NCT04975126
- Testing
- CatInfo tool
- Where
- Austria
- Volunteers
- 150 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Cataract
Study to Evaluate the Safety and Effectiveness of the enVista® Beyond (EY) EDF Intraocular Lens in Subjects Undergoing Cataract Extraction
This research study is evaluating the safety and efficacy (performance) of the Bausch + Lomb enVista Beyond Hydrophobic Acrylic Extended Depth of Focus Intraocular Lens (IOL) in subjects who receive this IOL in both eyes.
- Trial name
- NCT06333015
- Testing
- enVista Beyond EY (EDF) IOL, enVista MX60E monofocal IOL
- Where
- 16 sites in United States
- Volunteers
- 304 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract
Prospective, Randomized, Parallel-group Comparison of Two Refractive EDOF Intraocular Lenses: Johnson & Johnson Tecnis PureSee Versus 1stQ Comfort Z-EDOF
This study compares two types of artificial lens (intraocular lens, or IOL) used during cataract surgery. Both are extended depth-of-focus (EDOF) lenses, designed to give clear vision across a range of distances - far and…
- Trial name
- 1stQvsPureSee (NCT07688681)
- Testing
- Tecnis PureSee IOL implantation, 1stQ Comfort Z-EDOF IOL implantation
- Where
- Austria
- Volunteers
- 110 people
- Sponsor
- Vienna Hospital Association
Refractive Errors, Ametropia
Clinical Biocompatibility Evaluation of Contact Lens Coatings
The primary objective is to evaluate corneal staining observed after 2 hours of wear with contact lenses with investigational coating against PureVision™ lenses, all pre-cycled with OPTI-FREE® RepleniSH® multi-purpose…
- Trial name
- NCT03034928
- Testing
- Contact lens with investigational coating 1, Balafilcon A contact lens, OPTI-FREE® RepleniSH® MPDS
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Alcon Research
Cataract
Intraocular Lens (IOL) Calculation Improvement
Intraocular Lens (IOL) formulas sometimes differ from expected. Using novel measurement methods before and after cataract surgery improved formulas are tried be developed.
- Trial name
- NCT01372657
- Testing
- biometry calculation
- Where
- Switzerland
- Volunteers
- 11 people
- Sponsor
- University Hospital, Basel, Switzerland
Color Blindness, Color Vision Defects
Impact of Color Correcting Lenses on Color Vision Deficiency
To demonstrate improved color vision in subjects with color vision deficiencies while wearing color-correcting lenses and after color-correcting lense use.
- Conditions
- Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
- Trial name
- NCT05463016
- Testing
- Experimental Group 1: Color Correcting Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
Pseudoexfoliation Syndrome, Cataract
Influence of Cataract Surgery on Corneal Biomechanical Properties in Patients With Pseudoexfoliation Syndrome
Pseudoexfoliation syndrome is associated with alterations in the biomechanical properties of the cornea. This prospective observational cohort study aims to evaluate changes in corneal biomechanical properties after standard…
- Trial name
- NCT07719101
- Where
- Croatia
- Volunteers
- 70 people
- Sponsor
- Kata Culina
Ophthalmology, Lens Opacities
LensAge to Reveal Biological Age
Assessment of aging is central to health management. Compared to chronological age, biological age can better reflect the aging process and health status; however, an effective indicator of biological age in clinical practice is…
- Conditions
- Ophthalmology, Lens Opacities, Biological Age
- Trial name
- NCT05588921
- Where
- China
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Refractive Error
Clinical Evaluation of DAILIES TOTAL 1® Performance in a Japanese Population
The purpose of this study is to compare DAILIES TOTAL1® (DT1) to 1-DAY ACUVUE® TruEye® (TE) for Investigator-rated successful lens centration in Japanese population.
- Trial name
- NCT02710292
- Testing
- Delefilcon A contact lenses, Narafilcon A contact lenses
- Where
- Japan
- Volunteers
- 104 people
- Sponsor
- Alcon Research
Cancers, Cardiovascular Diseases
Cohort of Swedish Men
The Cohort of Swedish Men began in 1997, when all men born between 1918 and 1952 and residing in two counties in central Sweden received a questionnaire including about 350 items concerning diet and other lifestyle factors.
- Conditions
- Cancers, Cardiovascular Diseases, Cataract, Gastrointestinal Diseases
- Trial name
- COSM (NCT01127711)
- Volunteers
- 48,850 people
- Sponsor
- Karolinska Institutet
Intraocular Lens
Visual Outcomes and Contrast Sensitivity in Patients Implanted With Tecnis Eyhance Intraocular Lens
To compare visual outcomes for various distances, reading speed, contrast sensitivity, glare occurence, defocus curve and subjective satisfaction in patients implanted with the extended depth of focus lens (Tecnis Eyhance) in one…
- Trial name
- NCT04800887
- Testing
- TECNIS Eyhance intraocular lens, Monofocal intraocular lens Tecnis ZCB00
- Where
- Czechia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Cataract, Lens Opacities
Clinical Study to Compare Visual Performance of Two Trifocal IOLs
Prospective, randomised, controlled, single-surgeon, single-center post-market clinical follow up study to compare the clinical outcomes of two trifocal IOLs with different material
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1702 (NCT03347981)
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Spain
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Myopia, Myopia; Refractive Error
Peripheral Relative Refractive Power of Orthokeratology Lenses
Orthokeratology (OK) has been demonstrated to be an effective intervention for slowing axial elongation in children with myopia.
- Trial name
- NCT07294404
- Testing
- orthokeratology
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Cataract
RCT of Follow up Following Cataract Extraction
Purpose: To examine the safety of omitting the routine postoperative eye clinic review following phacoemulsification cataract surgery.
- Trial name
- NCT02071147
- Testing
- No Clinical Follow up, Quality of Life questionnaire, Patient satisfaction Questionnaire
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- Torbay and South Devon NHS Foundation Trust
Myopia
Comparing Myopia Control Spectacle Lenses for Visual Comfort, Adaptation, and Satisfaction in Myopic Children
The goal of this clinical trial is to demonstrate that the visual comfort, adaptation, and overall satisfaction associated with the use of the test spectacle lenses are not inferior to those of the control spectacle lenses in…
- Trial name
- EVASION (NCT07683481)
- Testing
- HADAL Spectacle Lenses, Stellest® Spectacle Lenses
- Volunteers
- 20 people
- Sponsor
- Essilor International
Cataracts, Corneal Edema
Study of Difluprednate vs. Prednisolone Acetate on Visual Acuity, and Corneal Edema Following Cataract Surgery.
The purpose of this clinical research study is to investigate the efficacy of predosing patients undergoing cataract surgery with the potent corticosteroid difluprednate ophthalmic emulsion 0.05% compared to prednisolone acetate…
- Conditions
- Cataracts, Corneal Edema, Retinal Structural Change, Deposit and Degeneration, Visual Acuity Reduced Transiently
- Trial name
- NCT01244334
- Testing
- Difluprednate ophthalmic emulsion 0.05%, Prednisolone acetate 1%
- Where
- 3 sites in United States
- Volunteers
- 52 people
- Sponsor
- Edward J. Holland
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