Clinical trials: Corneal Astigmatism, open to volunteers
Astigmatism, Cornea
Accuracy of Corneal Astigmatism in Different Region Modes
To analyze the difference between measured total corneal astigmatism and actual corneal astigmatism under different region modes and optimize the region setting.
- Trial name
- NCT03299530
- Testing
- patients with corneal astigmatism
- Where
- China
- Volunteers
- 70 people
- Sponsor
- Wenzhou Medical University
Myopia, Hyperopia
Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive Errors
This study evaluates corneal epithelial thickness using anterior segment optical coherence tomography (AS-OCT) in patients with refractive errors.
- Conditions
- Myopia, Hyperopia, Astigmatism, Emmetropia
- Trial name
- NCT07647146
- Where
- Egypt
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Sohag University
Pterygium, Corneal Astigmatism
Comparison Of Keratometric Readings Pre and Post Pterygium Excision With Conjunctival Autograft Transplantation
Pterygium, often called "surfer's eye," is a common eye condition in which a raised, fleshy growth of tissue extends from the white part of the eye onto the clear cornea.
- Trial name
- NCT07198126
- Testing
- Pterygium Excision with Conjunctival Autograft
- Where
- Pakistan
- Volunteers
- 130 people
- Sponsor
- Mughal Eye Trust Hospital
Corneal Astigmatism, Cataract
Effectiveness, Stability and Influence Factors of Femtosecond Laser Assisted Cataract Surgery
What is this study about? This study looks at whether a laser procedure called femtosecond laser-assisted arcuate keratotomy (FSAK) helps people with both cataracts and mild astigmatism see more clearly after cataract surgery.
- Trial name
- NCT07081919
- Testing
- femtosecond laser-assisted arcuate keratotomy (FSAK) combined with standard cataract surgery
- Where
- China
- Volunteers
- 105 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Corneal Ectasia, Corneal Disease
Dresden Corneal Disease and Treatment Study
The purpose of this study is long-term follow up of patients with corneal diseases to analyze the quality of surgical interventions and diagnosis.
- Conditions
- Corneal Ectasia, Corneal Disease, Corneal Astigmatism, Keratoconus
- Trial name
- NCT04251143
- Testing
- corneal cross-linking, corneal topography and tomography
- Where
- Germany
- Volunteers
- 700 people
- Sponsor
- Technische Universität Dresden