Clinical trials: Ocular Biometry
Myopia
Effects of Projected Peripheral Defocus on Ocular Biometrics
Acucela Inc. intends to develop a medical device to significantly halt or reverse myopic progression, which is a significant public health concern across the world, especially in Asian demographics.
- Trial name
- NCT04388020
- Testing
- Tabletop prototype of eSpecs: Active projection of defocused image in the peripheral visual field, Tabletop prototype of eSpecs: No Active projection of defocused image in the peripheral visual field
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Hyperopia, Refractive Error
Optical Defocus to Stimulate Eye Elongation in Hyperopia
Axial hyperopia results when the length of the eye is too short for the eye to properly focus distance objects on the retina while the focusing system is relaxed.
- Trial name
- ODSEEH (NCT00950924)
- Testing
- Simultaneous Vision Bifocal Soft Contact Lenses, Single Vision Soft Contact Lenses
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Glaucoma, Glaucoma, Open-Angle
Prevalence of Glaucoma and Normative Data of Ocular Biometry in Elderly Population in Bangkok
The BANMOP eye study is an ophthalmic subproject of the Bangkoknoi Model Project (BANMOP), a community-based initiative integrating electronic health databases with population surveys to sup-port context-specific health promotion…
- Conditions
- Glaucoma, Glaucoma, Open-Angle, Glaucoma, Suspect, Glaucoma, Angle-Closure
- Trial name
- BANMOP (NCT07763288)
- Where
- Thailand
- Volunteers
- 1,470 people, healthy volunteers welcome
- Sponsor
- Siriraj Hospital
Myopia
Assessment of Measurement Variability Across Automated Biometry Devices
This is a non-interventional prospective, comparative study of white-to-white, corneal thickness, and anterior chamber depth measurements as taken on the Orbscan II compared to the IOL Master 700 (Zeiss), IOL Master 500 (Zeiss)…
- Trial name
- NCT06045325
- Testing
- Orbscan II, IOL Master 700, IOL Master 500
- Where
- United States
- Volunteers
- 204 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Myopia
Binocular Peripheral Myopic Defocus Using a Clinical Prototype Device
Kubota Vision Inc. has developed a spectacle-like prototype device which is designed to be used as a light-based therapy to reduce myopia progression.
- Trial name
- NCT05425108
- Testing
- Binocular CP1
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Kubota Vision Inc.
Optical Biometry of the Human Eye, General Analysis of the Anterior Chamber of the Human Eye
Clinical Trial ES 900 - 2019
The primary objective of this clinical trial is to assess the clinical performance of the investigational device. To that end, the Limits of Agreement with respect to comparator devices are analyzed.
- Trial name
- NCT04112472
- Testing
- EYESTAR 900
- Where
- Switzerland
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Haag-Streit AG
Cataract, Lens Opacities
Feasibility Investigation of Biometry and Tomography Measurements in a Heterogeneous Patient Cohort
The planned clinical investigation will be conducted to acquire raw data for the development of the algorithm. The data acquisition is intended to obtain first impressions of the potential performance of the changed hardware and…
- Conditions
- Cataract, Lens Opacities, Artificial Lens Implant, Corneal Astigmatism
- Trial name
- BioBase (NCT05458661)
- Testing
- Clinical Prototype BioBase (SN 07 and SN 08)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Vision Disorders
Bridging Animal and Human Models of Exercise-induced Visual Rehabilitation
This study will determine whether blood biomarker changes predict sight-saving benefits of exercise.
- Trial name
- NCT02911805
- Testing
- Aerobic exercise, Balance exercise
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Dry Eye Disease (DED), Cataract (Post-operative Cataract Surgery Follow-up)
Effect of Dry Eye Disease on Accuracy of Intraocular Lens Power Calculation Before Phacoemulsification
This study aims to determine the effect of dry eye disease on intraocular lens power calculation and the postoperative refractive outcome.
- Trial name
- NCT07525336
- Testing
- dry eye disease optimization
- Volunteers
- 100 people
- Sponsor
- Assiut University
Cataract
Identification of Clinical, Biometrical and Operatory Factors Related to Pain During Cataract Surgery
Adults who undergo cataract surgery will be questioned after surgery about the eventual pain they experienced, about their health history, personal treatment.
- Trial name
- NCT04353843
- Where
- France
- Volunteers
- 400 people
- Sponsor
- University Hospital, Montpellier
Cataract
Ocular Biometrics in a French Population
The investigators aimed to study ocular biometrics parameters and their association with age, gender and the prevalence of high myopia in a population of cataract surgery candidates in the South of France.
- Trial name
- NCT04992403
- Where
- France
- Volunteers
- 11,650 people
- Sponsor
- University Hospital, Montpellier
Cataract
Refractive and Visual Outcomes With the ARGOS Biometer In Eyes With a History of Refractive Surgery: ARGOS Study
The study is to evaluate the visual and refractive outcomes in eyes with prior myopic refractive surgery undergoing cataract surgery for intraocular lens (IOL) power calculations.
- Trial name
- NCT07129980
- Testing
- ARGOS Biometer
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vance Thompson Vision
Cataract
Refractive Outcomes Utilizing Two SS-OCT Biometers for IOL Power Calculations
The purpose of this study is to evaluate and compare the potential refractive outcomes using the Argos 1.5 biometer in the surgical planning for cataract extraction to that obtained from IOLMaster 700.
- Trial name
- NCT06801678
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- The Eye institute of Utah
Cataract
Pseudophakic Eyes With Presbyopia-correcting IOLs: OCT Biometry and Pyramid Aberrometry
To correlate ocular morphology from anterior segment OCT and pyramid wavefront sensing in order to comprehensively analyze pseudophakic in vivo image quality of presbyopia-correcting IOLs in cataract patients.
- Trial name
- NCT07436247
- Testing
- Osiris-T Pyramid Wavefront Sensor - (CSO, Italy)
- Where
- 2 sites in Austria
- Volunteers
- 80 people
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Myopia, Astigmatism
Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
In this study, the investigators employed Visante-OCT (Carl Zeiss, USA), an anterior chamber optical coherence tomography, to monitor the change of anterior chamber dimensions.
- Trial name
- NCT00838734
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Cataract, Glaucoma
To Study Ocular Outflow Dynamics of the Eye Using Intraoperative Tonographic Biometry and Assess Its Predictive Value in Improving Postoperative Outcomes.
The objective of this study is to evaluate ocular outflow dynamics of the eye using intraoperative tonographic biometry and assess its predictive value in improving postoperative outcomes.
- Trial name
- NCT07425496
- Testing
- disposable Deltran I pressure sensor
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- The New York Eye & Ear Infirmary
Cataract
Effect of Artificial Tears on Biometry
The purpose of this study is to determine if measurements for cataract surgery are improved with use of additional lubrication with artificial tears.
- Trial name
- NCT04230720
- Testing
- Systane Complete
- Where
- United States
- Sponsor
- Weill Medical College of Cornell University
Cataract
Comparison of Three Swept-source Optical Coherence Biometry Devices in Long and Short Eyes
The aim of the study is to compare the agreement and repeatability of ocular biometric parameters obtained using three swept-source optical coherence tomography (ss-OCT) device (Argos, IOLMaster 700 and ANTERION).
- Trial name
- NCT05232214
- Testing
- Biometry
- Where
- Austria
- Volunteers
- 42 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Retinopathy of Prematurity, Myopia
Prematurity and Ophthalmological Changes
Ophthalmological differences in school-aged children with and without a history of retinopathy of prematurity
- Trial name
- NCT06452524
- Testing
- axial length (AU) and anterior chamber depth (ACD), optical coherence tomography (OCT)
- Where
- Turkey (Türkiye)
- Volunteers
- 211 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Refractive Errors, Axial Length, Eye
Optical Biometry and Spherical Aberration in Ametropic and Emmetropic Eyes
Aberrations play a significant role in the visual process and can be divided in lower-order and higher-order aberrations. The former can be measured using the commercially available IOL Master (Carl Zeiss Meditec AG, Germany) and…
- Conditions
- Refractive Errors, Axial Length, Eye, Corneal Wavefront Aberration
- Trial name
- NCT01663597
- Where
- Austria
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna