Clinical trials: Refractive Assessment, active
Refractive Assessment, Refractive Disorders
Algorithm-assisted Subjective Refraction Program Dedicated to Children
Current refraction assessment in children is dependent on the Eye Care Specialist and lacks standardization. Essilor has developed new algorithm assisted subjective refraction software dedicated to children of 6-12 years old and…
- Conditions
- Refractive Assessment, Refractive Disorders, Hyperopia and Myopia, Astigmatism
- Trial name
- NCT07046065
- Testing
- Non-cycloplegic Objective refraction, Non-cycloplegic conventional subjective refraction, Non-cycloplegic subjective refraction (Kids refraction software vA with Vision-R™)
- Where
- Portugal
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Myopia Progression
Evaluation of Performance of MiYOSMART Photochromic and Clear Spectacle Lenses in Myopic Children
This clinical study aims to evaluate the non-inferiority of the photochromic DIMS spectacles lenses performance (PDIMS) compared to clear DIMS spectacles lenses (DIMS) in myopia management.
- Trial name
- PDIMS (NCT06717035)
- Testing
- EYE001
- Where
- Singapore
- Volunteers
- 202 people
- Sponsor
- Singapore National Eye Centre
Cataract, Presbyopia
Clinical Study to Evaluate the LensGen® Juvene® Intraocular Lens
To assess the safety and effectiveness of the Juvene® IOL for the treatment of aphakia and mitigation of the effects of presbyopia after removal of the natural crystalline lens due to cataract.
- Trial name
- Nirvana (NCT05364983)
- Testing
- Juvene IOL, Tecnis® Monofocal (ZCB00, PCB00 or DCB00)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- LensGen, Inc.
Myopia
Development of a New Device and Method to Assess the Degree of Myopia and/or Astigmatism in Myopic People
The purpose of this clinical investigation is to check whether the new device can correctly measure a person's degree of myopia and astigmatism.
- Trial name
- MDSW_DiVA2Rx (NCT07297810)
- Testing
- Optical correction values obtained with investigational device and visual acuity, Optical correction values obtained with an autorefractometer and visual acuity, Optical correction values obtained with a phoropter and visual acuity
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Child Myopia Progression
Effect of MiYOSMART iQ Spectacle Lenses on Myopia Progression in Children
This prospective, single-center study aims to evaluate the efficacy and safety of MiYOSMART iQ spectacle lenses with DIMS (Defocus Incorporated Multiple Segments) and Triple Enhanced Design (TED) technology in slowing myopia…
- Trial name
- NCT07387159
- Testing
- MiYOSMART iQ spectacle lenses
- Where
- Russia
- Volunteers
- 70 people
- Sponsor
- Hoya Lens Rus LLC
Myopia, Myopia Progression
Spectacle Lens Visual Acuity Assessments Study
This is a two-arm parallel group, non-dispensing study. Participants will be existing active CYPRESS Extension (CPRO-1802-002) subjects. Subjects will undergo additional visual performance assessments.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- CEDAR (NCT05650190)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 6 sites in United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Posterior Capsule Opacification, Pseudophakia
IOL Position and Refractive Change After Nd:YAG Laser Posterior Capsulotomy
After cataract surgery, the thin natural membrane that holds the artificial lens in place can slowly turn cloudy. This is called posterior capsule opacification. It makes vision blurry and can cause glare.
- Conditions
- Posterior Capsule Opacification, Pseudophakia, Refractive Errors
- Trial name
- YAG-IOL-POS (NCT07802145)
- Testing
- Nd:YAG laser posterior capsulotomy, Anterior segment swept-source OCT, Swept-source optical biometry
- Where
- Austria
- Volunteers
- 80 people
- Sponsor
- Vienna Hospital Association
Myopia
A Controlled Evaluation of Optical Defocus Parameters on Transient Changes in Axial Length Using Kubota Glass
This study will assess the optimal performance characteristics of optical defocus on transient changes in axial length with Kubota Glass, using a randomized, double-masked, 5-treatment, 5-period crossover design with…
- Trial name
- NCT07686289
- Testing
- KG1, KG2, KG3
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Myopia
Clinical Investigation of a Novel Spectacle Lens on Slowing Down Juvenile Myopia Progression
The goal of this exploratory clinical trial is to evaluate the efficacy and safety of a test spectacle lens (standard single vision lens (SVL) during first year, and standard myopia control lens (MCL) in second year), designed…
- Trial name
- NCT06850168
- Testing
- SVL, SVL with passive red-light emission, MCL
- Where
- Singapore
- Volunteers
- 35 people
- Sponsor
- Essilor International
Myopia
Efficacy and Influencing Factors of Repeated Low-level Red-light in Myopia
To evaluate the long-term efficacy of repeated low-level red-light (RLRL) therapy in the prevention and control of myopia in children, and to analyze the key factors influencing its efficacy (such as individual differences and…
- Trial name
- RLRL (NCT07104513)
- Testing
- Red Light
- Where
- 2 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Ruihua Wei
Refractive Ametropia
A Study to Evaluate the Clinical Performance and Safety of UNICON Silicone Hydrogel Daily Disposable Soft Contact Lenses
13 weeks, open-label, daily disposable contact lens dispensing study.
- Trial name
- NCT07322211
- Testing
- Treatment
- Where
- 2 sites in Taiwan
- Volunteers
- 35 people
- Sponsor
- Unicon Optical Co. Ltd.
Myopia, Progressive
Efficacy of IVMED-85 on Pediatric Myopia
The goal of this clinical trial is to evaluate the safety and preliminary efficacy of a 1-year course of IVMED-85 eye drops for the treatment of pediatric myopia by assessing its safety effects on visual acuity and its effect on…
- Trial name
- NCT05761795
- Testing
- IVMED 85
- Volunteers
- 216 people
- Sponsor
- iVeena Delivery Systems, Inc.
Refractive Errors
Cognitive Level Enhancement Through Vision Exams and Refraction
The investigators aim to conduct a mixed-method study in which a randomised controlled trial (RCT) and a descriptive qualitative study will be conducted.
- Trial name
- CLEVER (NCT05458323)
- Testing
- Free near and Distance Vision glasses
- Where
- India
- Volunteers
- 820 people
- Sponsor
- Queen's University, Belfast
Refractive Errors
Efficacy of PEEK Acuity Versus ETDRS Chart for Assessment of Visual Acuity and Refractive Error
Visual acuity is a key indicator of visual function, often measured using the ETDRS chart, the gold standard in clinical settings.
- Trial name
- NCT06913491
- Where
- Pakistan
- Volunteers
- 51 people
- Sponsor
- Superior University
no Obvious Abnormalities, Diabetic Retinopathy (DR)
Retinal Clinical Assessment With AI-derived Quantitative Information
This randomized controlled trial evaluates whether providing clinicians with AI-derived quantitative retinal information improves the quality and efficiency of retinal clinical assessment.
- Conditions
- no Obvious Abnormalities, Diabetic Retinopathy (DR), AMD, Cup-to-disc Ratio Bigger Than 0.5
- Trial name
- NCT07291960
- Testing
- AI-derived retinal quantitative information-assisted reporting
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Extension Study on Safety and Rebound Effect of SAT-001 for Myopia in Children
The objective of this clinical trial is to collect data on the rebound effect and long-term safety of SAT-001, a Software as a Medical Device (SaMD) under development for the inhibition and treatment of myopia progression in…
- Trial name
- NCT06742268
- Testing
- Single vision spectacles
- Where
- 5 sites in South Korea
- Volunteers
- 40 people
- Sponsor
- S-Alpha Therapeutics, Inc.
Rhegmatogenous Retinal Detachment, Hypotony Ocular
Ocular Hypotony and Refractive Predictability in RRD Surgery
This study evaluates how preoperative ocular hypotony (Goldmann IOP ≤ 7 mmHg) affects refractive predictability, axial length measurements, and visual outcomes in patients undergoing combined phacovitrectomy with silicone oil for…
- Trial name
- HYP-RRD (NCT07283614)
- Testing
- Combined Phacovitrectomy with Intraocular Lens Implantation and Silicone Oil Tamponade, Silicone Oil Removal
- Where
- Kazakhstan
- Volunteers
- 45 people
- Sponsor
- Kazakh Eye Research Institute
Myopia, Astigmatism
Clinical Evaluation of WaveLight Plus LASIK
This study is a single-site, single-arm, prospective, observational study of subject satisfaction, quality of vision, and quality of life after bilateral LASIK surgery. Subjects will be assessed up to 3 months post-operatively.
- Trial name
- NCT07127757
- Testing
- Wavelight Plus LASIK
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Laser Defined Vision
Cataract
A Prospective, Single-Arm Clinical Evaluation of Visual, Refractive, and Patient-Reported Outcomes Following Bilateral Implantation of the TECNIS PureSee™ Extended Depth of Focus Intraocular Lens
Assess the visual, refractive, and patient-reported outcomes - including spectacle independence - of bilateral cataract surgery with implantation of the TECNIS PureSee extended depth of focus (EDOF) IOL in subjects with visually…
- Trial name
- NCT07790887
- Testing
- PureSee IOL
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Vance Thompson Vision
Myopia, Myopia; Astigmatism
Assessment of IOP After Corneal Refractive Surgery Based on AI
Significance, Background, and Current Status Studies show the global average prevalence of myopia is 22%, with hyperopia incidence being similar.
- Conditions
- Myopia, Myopia; Astigmatism, Refractive Surgery, Intraocular Pressure Changes
- Trial name
- AIOP-CRS-AI (NCT07544615)
- Where
- China
- Volunteers
- 10,030 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital