lens thickness
Showing 1 - 25 of 4,215
Myopia, Myopia Progression, Juvenile Myopia Trial in Waterloo (Diffusion Optics Technology (DOT) Pattern Spectacle Lens, Control
Not yet recruiting
- Myopia
- +2 more
- Diffusion Optics Technology (DOT) Pattern Spectacle Lens
- Control Spectacle Lens
-
Waterloo, Ontario, CanadaCentre for Ocular Research and Education
Dec 5, 2022
High-resolution Imaging of Tear Film Thickness in Contact Lenses
Recruiting
- Contact Lens
- Tear Film Thickness
- Optical Coherence Tomography
-
Vienna, AustriaDepartment of Clinical Pharmacology, Medical University of Vienn
Apr 6, 2022
Induced Defocus to the Retina Trial in Houston (Plus powered optical lens)
Completed
- Induced Defocus to the Retina
- Plus powered optical lens
-
Houston, TexasUniversity of Houston College of Optometry
Mar 15, 2022
Pentacam Study of the Cornea in RA Patients
Enrolling by invitation
- RA - Rheumatoid Arthritis
- Pentacam
-
Minya, Egypt
- +1 more
Feb 14, 2022
Patients Between Surgical and Natural Menopause
Completed
- Menopause Surgical
- +2 more
- measurement of macular thickness, corneal thickness and lens opacities
-
Batman, TurkeyBatman Maternity and Child Health Hospital
Apr 15, 2022
Parameters in or Without Microcornea Within Less Than One Year
Completed
- Microcornea Within One Year of Age
- Collect ocular biological parameters including age, corneal diameter, eye axis, intraocular pressure, steep&flat axis of corneal curvature, corneal thickness, lens thickness, anterior chamber depth
-
Hangzhou, Zhejiang, ChinaWenzhou Medical University
Apr 15, 2021
Accomodation, Refractive Errors, Myopia Trial (1% atropine)
Recruiting
- Accomodation
- +3 more
- 1% atropine
-
Shanghai, Shanghai, ChinaShanghai Eye Diseases Prevention & Treatment Center
Jan 1, 2023
Intravitreal Aqueous Tamponade on Lens Status and Ocular
Completed
- Aqueous Tamponade
- Cataract
- pars plana vitrectomy
-
Changchun, ChinaThe Second Hospital of Jilin University
Nov 10, 2023
Keratoconus, Healthy Controls Trial in Waterloo (ZenLens™, Zen™ RC)
Unknown status
- Keratoconus
- Healthy Controls
- ZenLens™
- Zen™ RC
-
Waterloo, Ontario, CanadaUniversity of Waterloo School of Optometry and Vision Science
Apr 8, 2020
Using Swept-source Optical Coherence Tomography
Not yet recruiting
- Cataract Surgery
- (no location specified)
Jan 10, 2023
Dry Eye Trial in Waterloo (Hydra-PEG, Uncoated)
Active, not recruiting
- Dry Eye
- Hydra-PEG
- Uncoated
-
Waterloo, Ontario, CanadaSchool of Optometry & Vision Science, University of Waterloo
Jan 26, 2023
Cataract Senile Trial in Vienna (Biometry)
Completed
- Cataract Senile
- Biometry
-
Vienna, AustriaHanusch Hospital, Department of Ophthalmology
Oct 12, 2022
Myopia Trial in Guangzhou (CARE1.02, Single-vision spectacle lens)
Not yet recruiting
- Myopia
- CARE1.02
- Single-vision spectacle lens
-
Guangzhou, Guangdong, ChinaZhongshan Ophthalmic Center, Sun Yat-sen University
Apr 17, 2023
Glaucoma, Angle-Closure Trial in Beijing (Capsular tension ring implantation, No capsular tension ring implantation)
Not yet recruiting
- Glaucoma
- Angle-Closure
- Capsular tension ring implantation
- No capsular tension ring implantation
-
Beijing, ChinaBeijing Tongren Hospital
Sep 14, 2022
Myopia, Progressive Trial in Waterloo (Novel spectacle lens design)
Active, not recruiting
- Myopia, Progressive
- Novel spectacle lens design
-
Waterloo, Ontario, CanadaCentre for Ocular Research and Education
Nov 3, 2022
Myopia Trial in Guangzhou (Partition defocus myopia management spectacle lens, Spectacle lenses with aspherical lenslets)
Not yet recruiting
- Myopia
- Partition defocus myopia management spectacle lens
- Spectacle lenses with aspherical lenslets
-
Guangzhou, Guangdong, ChinaZhongshan Ophthalmic Center, Sun Yat-sen University
Feb 13, 2023
Lens Tilt Using Optical Coherence Tomography and Partial Least
Recruiting
- Cataract
-
Linz, Upper Austria, AustriaKepler University Hospital
Jun 21, 2023
Comparative STudy of ARGos Biometer Compared to UltraSound
Not yet recruiting
- Cataract
-
Bobigny, FranceHôpital Avicenne
Sep 6, 2022
Contact Lenses Trial in Wenzhou (Overnight orthokeratology)
Active, not recruiting
- Contact Lenses
- Overnight orthokeratology
-
Wenzhou, Zhejiang, ChinaEye Hospital of Wenzhou Medical College
Jun 25, 2022
Ocular Pain Following Bilateral Photorefractive Keratotomy (PRK) Trial in Sioux Falls (TetraLens bandage contact lens, Control
Recruiting
- Ocular Pain Following Bilateral Photorefractive Keratotomy (PRK)
- TetraLens bandage contact lens
- Control Acuvue Oasys Bandage contact Lens
-
Sioux Falls, South DakotaVance Thompson Vision
Oct 12, 2023
Myopia Trial in Guangzhou (New defocus spectacle lenses, Convenional aspheric single-vision spectacle lenses)
Not yet recruiting
- Myopia
- New defocus spectacle lenses
- Convenional aspheric single-vision spectacle lenses
-
Guangzhou, Guangdong, ChinaZhongshan Ophthalmic Center, Sun Yat-sen University
Feb 13, 2023
Refractive Errors, Accommodation Disorder Trial in Wroclaw
Active, not recruiting
- Refractive Errors
- Accommodation Disorder
-
Wrocław, PolandDepartment of Optics and Photonics
Mar 27, 2022
Contact Lens Complication Trial in Valladolid (Aquoral Lipo (Esteve), Hyabak (Thea))
Recruiting
- Contact Lens Complication
- Aquoral Lipo (Esteve)
- Hyabak (Thea)
-
Valladolid, SpainIOBA - University of Valladolid
Nov 28, 2022
Visual Acuity Trial in Manchester (AquaComfort Plus, Acuvue Oasys 1-Day)
Completed
- Visual Acuity
- AquaComfort Plus
- Acuvue Oasys 1-Day
-
Manchester, United KingdomThe University of Manchester - Eurolens Research
Jan 23, 2023
Myopia Trial in Australia, New Zealand, United States (Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight
Not yet recruiting
- Myopia
- Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear
-
Mission Viejo, California
- +12 more
Aug 20, 2023