auto refraction
Showing 1 - 25 of 818
Child, Only Trial in Marghita (Refraction measurement with auto-ref-keratometer Canon)
Completed
- Child, Only
- Refraction measurement with auto-ref-keratometer Canon
-
Marghita, Bihor, RomaniaHolhoș Larisa Bianca
Apr 1, 2021
Cataract Senile Trial in Vienna (Auto and Subjective Refraction)
Unknown status
- Cataract Senile
- Auto and Subjective Refraction
-
Vienna, AustriaHanusch Hospital, Department of Ophthalmology
Oct 3, 2020
Aphakia, Presbyopia Trial in San Salvador, Panamá (Alcon Fluid Accommodating Intraocular Lens, Top Con Autorefractor)
Active, not recruiting
- Aphakia
- Presbyopia
- Alcon Fluid Accommodating Intraocular Lens
- Top Con Autorefractor
-
San Salvador, El Salvador
- +1 more
Jul 18, 2022
Refractive Accuracy of "2WIN" and Portable Autorefractors
Completed
- Refractive Error - Myopia Axial
- +4 more
- "2WIN" Photoscreener
- +2 more
-
Anchorage, AlaskaAlaska Children's EYE & Strabismus
Jul 21, 2021
Axial Length of the Globe on Retinal Nerve Fibre Thickness
Not yet recruiting
- Myopia
- Optical coherence tomography (OCT)
- (no location specified)
Feb 6, 2023
Corneal Dystrophy, Macular Dystrophy, Hyperemesis Gravidarum - Severe Trial in Batman (Optic coherence tomography)
Completed
- Corneal Dystrophy
- +2 more
- Optic coherence tomography
-
Batman, TurkeyBatman education adn research hospital
Jun 25, 2023
Myopia Trial in San Francisco (Low-level Red Light Therapy Device)
Active, not recruiting
- Myopia
- Low-level Red Light Therapy Device
-
San Francisco, CaliforniaUniversity of California, San Francisco
Nov 2, 2022
Prevalence of Refractive Errors in Primary School Children
Not yet recruiting
- Refractive Errors
- cycloplegic refraction
- (no location specified)
Mar 12, 2023
Myopia Trial in United States (MiSight 1 Day, Proclear 1 day)
Recruiting
- Myopia
- MiSight 1 Day
- Proclear 1 day
-
Pittsburg, Kansas
- +4 more
Aug 1, 2022
After Using ND: YAG LASER In Treatment of Posterior Capsular
Recruiting
- Posterior Capsule Opacification
- ND:YAG LASER
-
Sohag, EgyptSohag university hospital
Aug 13, 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
Emmetropization, Myopia, Hyperopia Trial (DEFOG glasses(peripheral focus-out glasses))
Not yet recruiting
- Emmetropization
- +2 more
- DEFOG glasses(peripheral focus-out glasses)
- (no location specified)
Jan 10, 2023
Myopia, Progressive Trial in Shanghai (Photobiomodualtion Therapy, Single vision spectacles for correction myopia)
Recruiting
- Myopia, Progressive
- Photobiomodualtion Therapy
- Single vision spectacles for correction myopia
-
Shanghai, Shanghai, ChinaEye & ENT hospital of Fudan university
Mar 7, 2023
Myopia, Progressive Trial in New York, Toronto (Single vision contact lenses, Multifocal contact lenses)
Recruiting
- Myopia, Progressive
- Single vision contact lenses
- Multifocal contact lenses
-
New York, New York
- +1 more
Dec 2, 2021
Refractive Errors Trial (astaxanthin 4 mg, astaxanthin 6 mg, Placebo)
Not yet recruiting
- Refractive Errors
- astaxanthin 4 mg
- +2 more
- (no location specified)
Aug 10, 2021
Fuchs' Corneal Endothelial Dystrophy in France
Not yet recruiting
- Corneal Dystrophies
- Genotyping
- +2 more
-
Saint-Étienne, FranceCentre Hospitalier de Saint-Etienne
Feb 22, 2023
Keratoconus Trial in Assiut (Intrastromal corneal ring segment implantation (Pocket), Intrastromal corneal ring segment
Active, not recruiting
- Keratoconus
- Intrastromal corneal ring segment implantation (Pocket)
- Intrastromal corneal ring segment implantation (Tunnel)
-
Assiut, EgyptTiba Eye Center
Feb 19, 2023
Calculation of Intraocular Lens in High Myopic Cataractous Patients Trial (optical biometry, ultrasonic biometry)
Not yet recruiting
- Calculation of Intraocular Lens in High Myopic Cataractous Patients
- optical biometry
- ultrasonic biometry
- (no location specified)
Jul 4, 2021
Refractive Errors, Astigmatism Trial (EyeQue VisionCheck, Phoropter)
Not yet recruiting
- Refractive Errors
- Astigmatism
- EyeQue VisionCheck
- Phoropter
- (no location specified)
Sep 6, 2023
Glaucoma, Cataract Senile Trial in Bangkoknoi (Humphrey visual field testing)
Completed
- Glaucoma
- Cataract Senile
- Humphrey visual field testing
-
Bangkoknoi, Bangkok, ThailandNaris Kitnarong
Jan 28, 2022
Refractive Errors, Visual Impairment Trial in Islamabad (Educational intervention)
Completed
- Refractive Errors
- Visual Impairment
- Educational intervention
-
Islamabad, Pakistan
- +7 more
Sep 1, 2021
2WIN-S Portable Refractor Trial in Bangkok (2WIN-S portable refractor)
Active, not recruiting
- 2WIN-S Portable Refractor
- 2WIN-S portable refractor
-
Bangkok, ThailandRajavithi Hospital
Nov 20, 2023
Myopia, Refractive Errors, Eye Diseases Trial in China (Low-level Red-light Therapy)
Active, not recruiting
- Myopia
- +2 more
- Low-level Red-light Therapy
-
Foshan, Guangdong, China
- +3 more
Jan 5, 2022
AMD, DR Trial in Tel Aviv (NOTAL-OCT V3.0)
Recruiting
- AMD
- DR
- NOTAL-OCT V3.0
-
Tel Aviv, Israel
- +1 more
Aug 2, 2022