Clinical trials: Axial Length
Myopia, Myopia Progression
The P.A.U.S.E.® Spectacle Study
The goal of this clinical trial is to learn if spectacle lenses using Phase Alteration Utilising Sub Elements (P.A.U.S.E.®) technology works to slow down the rate of myopia progression in myopic children.
- Trial name
- NCT06577948
- Testing
- Single vision spectacle lens, P.A.U.S.E. spectacle lens 1, P.A.U.S.E. spectacle lens 2
- Where
- Vietnam
- Volunteers
- 205 people
- Sponsor
- nthalmic Pty Ltd
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.
Axial Length, Eye, Myopia
Study on the Impact of Desk and Chair Adaptation Intervention on the Occurrence and Development of Myopia in Primary School Students
This study is a randomized controlled trial of a desk and chair adaptation intervention involving primary school students and their parents or primary caregivers.
- Conditions
- Axial Length, Eye, Myopia, Myopia Progression
- Trial name
- NCT06623760
- Testing
- Desk and chair adaptation interventions
- Volunteers
- 2,100 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Myopia Progressing
Comparison of MiSight 1-Day and Acuvue Oasys for Presbyopia in Myopic Children
This study will compare the effects on myopia progression over the course of one year for eyes wearing MiSight 1 Day contact lenses compared to ACUVUE OASYS for PRESBYOPIA contact lenses.
- Trial name
- MALCOLM (NCT06887920)
- Testing
- Acuvue Oasys for Presbyopia, MiSight 1 Day
- Where
- Australia
- Volunteers
- 72 people
- Sponsor
- Pauline Kang
Cataract, Presbyopia
Objective and Subjective Outcomes of a Trifocal IOL in Eyes With Different AL
This prospective cohort study enrolled patients with implantation of a trifocal IOL. Only one eye of each patient was enrolled. Eyes were devided into three groups according the axial length (AL), including the short AL group…
- Conditions
- Cataract, Presbyopia, Lenses, Intraocular, Myopia
- Trial name
- NCT05431868
- Testing
- AT LISA tri 839MP (Carl Zeiss Meditec AG)
- Where
- China
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Aqueous Tamponade, Cataract
Influence of Intravitreal Aqueous Tamponade on Lens Status and Ocular
To observe the effects of vitreous cavity Balanced salt solution (BSS) tamponade on the state of the lens and related parameters of the eye, and whether the changes of the above parameters are correlated with age, gender…
- Trial name
- NCT06133660
- Testing
- pars plana vitrectomy
- Where
- China
- Volunteers
- 21 people
- Sponsor
- Bo Jia
Normal Non-fluency, Cataract
Comparative Study of the Optical Biometer for Measurements of the Eye
The primary purpose of this comparative clinical study is to collect clinical data to demonstrate the equivalence of the investigational device to the predicate device for measurements of the eye.
- Conditions
- Normal Non-fluency, Cataract, Aphakic Eye, Eyes With Corneal Abnormality
- Trial name
- NCT01729962
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Myopia
Study Comparing Eye Growth Over Time in Children Using Two Myopia Control Lenses
The goal of this clinical trial is to investigate the short-term changes in the eye structure while wearing two types of lenslet-based myopia control lenses over a period of 6 months in children aged 6 to 13 years with myopia.
- Trial name
- NCT07253064
- Testing
- MCL 1, MCL 2
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Myopia
Myopia Control Effect of DIMS Spectacle Lenses in Czech Children and Young Adults
The aim of this clinical study is to compare the efficacy of DIMS technology spectacle lenses with conventional single vision spectacle lenses at slowing the progression of myopia in the category of children and young adults…
- Trial name
- NCT05943912
- Testing
- Single Vision Spectacle Lens, Defocus Incorporated Multiple Segments (DIMS) Spectacle Lens
- Where
- Czechia
- Volunteers
- 80 people
- Sponsor
- Czech Technical University in Prague
High Myopia, Refractive Errors
Repeated Low-Level Red-Light Therapy for Shortening Axial Length
The purpose of this clinical trial is to confirm the incidence and magnitude of axial length shortening after RLRL therapy in Chinese high myopia children and teenagers.
- Conditions
- High Myopia, Refractive Errors, Eye Diseases
- Trial name
- NCT05550740
- Testing
- RLRL
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
the Effect of Low-Concentration Atropine Combined With Auricular Acupoint Stimulation in Myopia Control
To compare the effect of myopia control between patients treated with low-concentration atropine eye drops combined with auricular acupoint stimulation and those treated with atropine alone.
- Trial name
- NCT02055378
- Testing
- Atropine, auricular acupoint stimulation
- Where
- Taiwan
- Volunteers
- 73 people
- Sponsor
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation
Precocious Puberty, Early Puberty
Effect of Exogenous Growth Hormone on Ocular Findings
Body size and eye function play an essential role in adapting to the environment and human survival. Growth hormone is commonly recognized by its effect on the height of individuals; Although from an evolutionary perspective, the…
- Conditions
- Precocious Puberty, Early Puberty, Refraction Error
- Trial name
- NCT05338411
- Where
- 2 sites in Iran
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences
Anisometropia, Myopia
Targeted Lens Intervention for Myopic Anisometropia in Children
The goal of this clinical trial is to learn if our research spectacles will lower the difference in prescription (spectacles degree) between the eyes in children between 6 to 13 years old with anisometropic myopia.
- Trial name
- NCT07533149
- Testing
- More myopic eye: MCL1; Less myopic eye: MCL2
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Myopia, Myopia Progression
Comparing Myopia Control Spectacle Lenses and Standard Single Vision Spectacle Lenses in Children With Myopia
The purpose of this clinical trial is to compare a new myopia control spectacle lens with a standard single vision spectacle lens in slowing the progression of myopia (nearsightedness) in healthy children aged 6 to under 11…
- Trial name
- PEARL (NCT07839091)
- Testing
- Investigational Myopia Control Spectacle Lens, Single Vision Spectacle Lens
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Myopia Progressing, Myopia
Effect of Branched-Chain Amino Acid Supplementation on Myopia Progression
This study is a randomized controlled trial designed to evaluate whether branched-chain amino acid (BCAA) supplementation can help slow the progression of myopia in young adults.
- Trial name
- NCT07585877
- Testing
- Branched-Chain Amino Acids (BCAA) Supplementation
- Where
- China
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Zhongda Hospital
Myopia Progression, Axial Length, Eye
Low Dose Atropine Eye Drops in Myopic Egyptian Children
Previous Studies reported that low concentration atropine eye drops may be effective in increasing the choroidal blood flow and thickness and this slows myopia progression.
- Conditions
- Myopia Progression, Axial Length, Eye, Sclera Thickness
- Trial name
- LAMP (NCT06265454)
- Testing
- low dose atropine eye drops
- Where
- Egypt
- Volunteers
- 75 people
- Sponsor
- Ain Shams University
Cataract
Multi-center Ocular Biological Parameters Study
This study is a multi-center study, which collects data from multiple regions to obtain the general biological characteristics of the Chinese population.
- Trial name
- NCT04340635
- Where
- China
- Volunteers
- 20,000 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Myopia, Myopia, Progressive
Multicenter RCT: LED Red Light Dose-Response in Myopia Progression Control
The goal of this clinical trial is to verify the effectiveness and safety of non-laser LED red light combined with defocus lens therapy for controlling myopia progression and evaluate the impact of different intervention…
- Trial name
- NCT07330180
- Testing
- Yingtong Vision Rehabilitation Instrument, Hoya DIMS multi-point myopia defocus lens
- Where
- 7 sites in China
- Volunteers
- 364 people, healthy volunteers welcome
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Anterior Segment of Eye, Axial Length
Agreement of Two OCT Biometers: A Pilot Study
The purpose of this study is to compare the measurements obtained with two different biometers, UNITY Dx and Anterion. In eye care, a biometer is a device that uses laser technology to take highly precise measurements of the…
- Conditions
- Anterior Segment of Eye, Axial Length, Biometrics Measurement
- Trial name
- NCT07782619
- Testing
- UNITY DX, ANTERION
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Alcon Research
Myopia Progression, Myopia
Inhibition of Myopia Progression With Optical Devices
This observational study aims to determine whether optical devices designed to slow myopia progression and/or environmental factors can prevent myopia progression in the pediatric and adolescent myopic population.
- Conditions
- Myopia Progression, Myopia, Myopia, Child Myopia Progression
- Trial name
- NCT07698977
- Testing
- Wearing myopia-control D.I.M.S. glasses while awake, DIMS (Defocus Incorporated Multiple Segments) lenses
- Where
- Hungary
- Volunteers
- 50 people
- Sponsor
- Semmelweis University