Clinical trials: Ocular Refraction
- Condition Ocular Refraction
- Funder type Industry (pharma, biotech, devices)
- Accepts healthy volunteers yes
Ocular Refraction
Smart Vision Labs Autorefractor
The study is used to verify the accuracy and repeatability of Smart Vision Labs Refractor.
- Trial name
- NCT02300116
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Smart Vision Labs
Ametropia
Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children
The objective is to compare the refractive parameters of the photorefraction prototype device without cycloplegia with the refractive parameters of reference device, an autorefractometer with and without cycloplegia.
- Trial name
- NCT06295536
- Testing
- Comparator device, Closed-field autorefractometer
- Where
- Hong Kong
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Essilor International
Ametropia
Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children With a Smartphone/add-on Device in India
The objective is to compare the refractive parameters of the photorefraction prototype device without cycloplegia with the refractive parameters of reference device, an autorefractometer with and without cycloplegia.
- Trial name
- NCT06524115
- Testing
- Comparator device, Closed-field autorefractometer without cycloplegia, Distance visual acuity check using objective refraction without cycloplegia, Comparator device, Closed-field autorefractometer with cycloplegia
- Where
- India
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Essilor International
Correction of Refraction Error, Attenuation of Bright Light
Contact Lenses With New UV-blocker Manufactured With Different Techniques
This study is a randomized, 4-visit, double-masked, 2x3 bilateral crossover, dispensing trial. The study lenses will be worn as daily wear (DW) for a period of two weeks each with one of the study lenses being worn twice.
- Trial name
- NCT03475875
- Testing
- senofilcon A TEST Lens, senofilcon A CONTROL Lens
- Where
- 5 sites in United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Accommodation
Investigational Study of Accommodation Triggering and Control to Allow for the Performance of Refraction Measurements
An investigational study in the control of the user's accommodative state via visual stimuli.
- Trial name
- NCT03957408
- Testing
- Visual Stimuli
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
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, Moderate
Software Refraction With Mobilerone Versus Retinoscopy
Software refraction in the mobilerone for myopia and astigmatism is a novel medical device for myopia adults and elder children with or without astigmatism.
- Conditions
- Myopia, Myopia, Moderate, Astigmatism
- Trial name
- SRMR (NCT06059521)
- Testing
- Software refraction with Eye Test Technology in a mobilerone, Retinoscopy
- Where
- 3 sites in China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Refractive Errors, Vision Disorders
Handheld Device Compared With a Standard Eye Care Diagnostic Device in Measuring Ophthalmic Refraction
This study is exploratory and examines whether the best-corrected visual acuities (BCVA's) from trial frames created with the refraction results obtained from a novel handheld optical device yields results similar to the…
- Trial name
- NCT04693247
- Testing
- EQ103
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Presbyopia, Near Vision
Comparative Study and Validation of New Methodologies for Measuring Addition
The aim of this research is to collect comprehensive data on a presbyopic population that may require near vision correction, in order to identify the most useful tests to accurately determine the value of an addition.
- Conditions
- Presbyopia, Near Vision, Refraction Error
- Trial name
- NCT06963138
- Testing
- Visual Acuity, Objective refraction, Standard Subjective refraction
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Astigmatism
Clinical Study to Evaluate Effectiveness of Digital Refraction
Prospective, comparative, randomized, non-masked clinical study to compare the a digital refraction with LogMAR VA testing utilizing trial lenses, to standard manual refraction using a Phoropter, and LogMAR VA testing, in…
- Trial name
- NCT03502863
- Testing
- Digital refraction, Manual Refraction
- Where
- 3 sites in United States
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Visibly
Pupillary Dilation Effect During Cycloplegic Refraction
Comparing Efficacy and Safety of CTO0303 in Pediatric Subjects
This is a prospective randomized study compared with active control arm.
- Trial name
- NCT06609525
- Testing
- CTO0303-A, CTO0303-B, CTO0303-C
- Where
- South Korea
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- Taejoon Pharmaceutical Co., Ltd.
Refractive Errors
Direct Comparison of SVOne Obtained Refraction to Subjective Manifest Refraction
The purpose of the study is to compare the final glasses prescription based on refraction obtained with SVOne device to the final prescription obtained via subjective manifest refraction.
- Trial name
- NCT03222661
- Testing
- Refraction
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Smart Vision Labs
Visual Impairment, Myopia
At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults
This study is aimed at examining the BCVA from try-on glasses constructed from measurements from the EyeQue VisionCheck.
- Conditions
- Visual Impairment, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04820218
- Testing
- With Try-on glasses
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Refractive Errors, Accomodation
Study in Pediatric Volunteers of a Handheld Device Versus a Standard Diagnostic Device in Ophthalmic Refraction
This study is exploratory and examines whether the refraction results obtained from a novel optical device yields results similar to the ophthalmic refraction measurements obtained from an autorefractor in children.
- Conditions
- Refractive Errors, Accomodation, Diagnostic Self Evaluation
- Trial name
- NCT04955379
- Testing
- EQ103
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Ocular Refraction
Pediatric Refraction With SVOne Autorefractor
The study is used to verify the accuracy and repeatability of Smart Vision Labs Refractor in a pediatric population (between 5 and 16 years of age).
- Trial name
- NCT02559271
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Smart Vision Labs