Clinical trials: Refractive Error, open to volunteers
Presbiyopi
Effect of Yoga Eye Exercises and Musculoskeletal Physiotherapy Interventions on Presbyopia
In this study, the effects of neck exercises, neck massage and yoga eye exercises on presbyopia will be examined. 52 patients diagnosed with presbyopia will be included in the study.
- Trial name
- NCT06729879
- Testing
- Yoga eye exercises group:, Myofascial release-postural correction exercises group, Yoga eye exercises, myofascial release-postural correction exercises group
- Volunteers
- 52 people
- Sponsor
- Tokat Gaziosmanpasa University
Myopia
Dual-focus Soft Contact Lenses for Controlling Rapid Progressive Myopia in Young Adults
This study aims to evaluate the effectiveness and acceptability of dual-focus soft contact lenses in controlling rapid myopia progression in adults through a randomized controlled trial.
- Trial name
- NCT06528860
- Testing
- MiSight® 1 day soft contact lenses, Proclear® 1 day soft contact lenses
- Where
- China
- Volunteers
- 144 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Change in Choroidal Thickness of Myopic Eyes With a Myopia Control Contact Lens
In this study, the direct effect of the MiSight contact lens (Cooper Vision), a daily disposable contact lens recently approved in Germany for the treatment of myopia, will be investigated.
- Trial name
- NCT06636019
- Testing
- Myopia control contact lens
- Where
- Germany
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Hospital Augsburg
Hyperopia, Presbyopia
The VIS Opti-K Low Vision Aid Device Provides Vision Improvement.
The VIS Opti-K Low Vision Aid device will be used to provide vision improvement to patients with refractive disorders (hyperopia and presbyopia).
- Trial name
- Opti-K Pres (NCT06597292)
- Testing
- Vision improvement
- Where
- 2 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- VIS, Inc.
Myopia, Visual Rehabilitation
Exploring Perceptual Learning in Blurred Gabor Discrimination for Low-Myopic Children
This exploratory study investigates whether perceptual learning using blurred Gabor stimuli can improve uncorrected distance visual acuity in children aged 6-10 years with low myopia.
- Conditions
- Myopia, Visual Rehabilitation, Perceptual Learning
- Trial name
- NCT07107646
- Testing
- vision training system, VTS
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- National Taiwan University Hospital
Presbyopia
Phase III Presbyopia Correction Using the VIS Opti-K™ System
The goal of this clinical trial is to evaluate the safety and efficacy of using the VIS Opti-K System to enable monovision by providing temporary improvement in near vision through the treatment of the non-dominant eye of low…
- Trial name
- Opti-K™ (NCT06487897)
- Testing
- Optimal laser keratoplasty
- Where
- 4 sites in United States
- Volunteers
- 75 people
- Sponsor
- VIS, Inc.
Myopia, Randomized Controlled Trial (RCT)
The Rebound Effect on Repeated Low-Level Red Light Therapy for Myopia
Myopia is a global public health issue, projected to affect 49.8% of the world population by 2050, increasing risks of cataracts, glaucoma, macular degeneration, and retinal detachment.
- Trial name
- NCT07748546
- Testing
- Repeated low-level red light (RLRL) therapy
- Volunteers
- 159 people
- Sponsor
- The First Affiliated Hospital of Anhui Medical University
Pseudoexfoliation Syndrome, Cataract
Corneal Biomechanics and Surgically Induced Astigmatism in Pseudoexfoliation Syndrome
This prospective study aims to evaluate the influence of corneal biomechanical properties on surgically induced astigmatism following standard phacoemulsification cataract surgery in patients with pseudoexfoliation syndrome…
- Conditions
- Pseudoexfoliation Syndrome, Cataract, Astigmatism
- Trial name
- NCT07722247
- Testing
- phacoemulsification cataract surgery
- Where
- Croatia
- Volunteers
- 70 people
- Sponsor
- Kata Culina
Myopia, Refractive Ametropia
The Impact of 'A Miss Is as Good as a Mile': Is Compensation Necessary for Minimal Ocular Deviation in Myopic Laser Surgery?
The goal of this clinical trial is to evaluate the effect of intraoperative kappa-angle compensation on postoperative visual quality in patients undergoing small incision lenticule extraction (SMILE) using the VisuMax 800…
- Trial name
- NCT07512115
- Testing
- Apply compensation to the Kappa angle., Apply no compensation to the Kappa angle
- Where
- China
- Volunteers
- 224 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Strabismus
Evaluation of a County-Based Eye Health Service Model in Rural Chinese Children
This project proposes to conduct a prospective, multicenter registry study in rural China to evaluate, under real-world conditions, the implementation effectiveness of an integrated child eye health service model centered at the…
- Conditions
- Myopia, Strabismus, Eye Health
- Trial name
- NCT07547748
- Testing
- School-based Eye Health Screening
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
Assessing the Impact of Streetscape Exposure on Children's Perception
The primary objective is to determine how streetscape exposure influences children's visual perception and psychological perception.
- Trial name
- NCT07761949
- Testing
- Virtual simulation of street visual environment exposure
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Pathologic Myopia
LED Red Light in Modulating Choroidal Microcirculation to Retard Retinal Atrophy in Pathological Myopia
The goal of this clinical trial is to learn if LED repeated low-level red light (RLRL) therapy works to treat pathologic myopia in adults. It will also learn about the safety of LED-RLRL.
- Trial name
- NCT07312214
- Testing
- LED red light
- Where
- China
- Volunteers
- 158 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Presbyopia
A New Successful Approach for Emmetropic Presbyopic Patients Using Intrastromal Pocket With Smile Module
Presbyopia is physiological insufficiency of accommodation associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects.Though presbyopia is a normal change in our eyes as…
- Trial name
- NCT05115058
- Testing
- relex Smile module
- Where
- Kosovo
- Volunteers
- 41 people
- Sponsor
- Eye Hospital Pristina Kosovo
Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness)
Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya
With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading…
- Conditions
- Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness), Repayment Behaviour, Livelihoods
- Trial name
- NCT06774183
- Testing
- Near vision glasses for presbyopia correction
- Volunteers
- 1,085 people
- Sponsor
- Dot Glasses Kenya
Refractive Errors
Measurment of Optic Disc Parameters, RNFL Thickness and Ganglion Cell Complex in Myopic, Hypermetropic and Emmetropic Patients Using OCT and Axial Length Measurments
To evaluate the optic disc parameters, thickness of ganglion cell complex (GCC), and thickness of peripapillary retinal nerve fiber layer (RNFL) in myopic and hyperopic and emmetrop patients using optical coherence tomography…
- Trial name
- NCT07241806
- Testing
- OCT
- Volunteers
- 266 people, healthy volunteers welcome
- Sponsor
- Assiut University
Presbyopia
Evaluation of Functional Superiority of the Morrow eProgressive
Presbyopia is a common age-related condition where the eye loses its ability to focus on nearby objects, typically from around age 45.
- Trial name
- EPACT (NCT07878416)
- Testing
- 3 weeks wearing of study device instead of their current wearing solution
- Where
- 3 sites in Belgium, Italy
- Volunteers
- 50 people
- Sponsor
- Morrow Eyewear
Hyperopia, Farsightedness
The Emmetropization Via Accommodation (EVA) - II Study
To determine if wearing a novel treatment during a 15-month period will enhance emmetropization in 4-month-old infants who have demonstrated poor ocular accommodation (eye focusing).
- Conditions
- Hyperopia, Farsightedness, Hypermetropia
- Trial name
- EVA-II (NCT07838597)
- Testing
- Experimental treatment arm
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Ohio State University
Exotropia, Exophoria
A-eyedrops on Ocular Alignment and Binocular Vision
Atropine is a non-selective muscarinic acetylcholine (M) receptor antagonist that paralyzes the ciliary muscle, dilates the pupil, and reduces the power of accommodation.
- Conditions
- Exotropia, Exophoria, Myopia
- Trial name
- NCT05379855
- Testing
- 0.01% atropine eye drops, 0.05% atropine eye drops
- Where
- China
- Volunteers
- 339 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Myopia, Myopia Progression
Contact Lenses to Slow Myopia Progression in Adults
Myopia (nearsightedness) can continue to worsen during young adulthood, increasing the risk of sight-threatening eye diseases later in life.
- Trial name
- NCT07747311
- Testing
- Dual Focus Soft Contact Lens, Single Vision Soft Contact Lens
- Where
- United States
- Volunteers
- 152 people
- Sponsor
- University of California, Berkeley