astigmatism Clinical Trials
A listing of astigmatism medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.
Found 26 clinical trials
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. Corneal ectasia, especially keratoconus, is a corneal disease that leads to an irreversible loss of visual acuity while the cornea becomes steeper, thinner and irregular. For these …
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.
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. Astigmatism causes blurry vision because the front of the eye (cornea) is curved unevenly. The FSAK procedure …
Patient Reported Outcomes With WaveLight Plus LASIK
This study is a single-site, single-arm, prospective, observational study of subject satisfaction, quality of vision, and quality of life after bilateral LASIK surgery. Subjects will be assessed up to 3 months post-operatively. Clinical evaluations will include refractive outcomes, visual acuity, and administration of the adapted PROWL and the Quality-of-Life Impact …
Clinical Evaluation of WaveLight Plus LASIK
This study is a single-site, single-arm, prospective, observational study of subject satisfaction, quality of vision, and quality of life after bilateral LASIK surgery. Subjects will be assessed up to 3 months post-operatively. Clinical evaluations will include refractive outcomes, visual acuity, and administration of the adapted PROWL and Low Luminance Questionnaire …
North American Comfilcon A Clinical Study
The main objective of this study is to demonstrate acceptable safety and effectiveness (performance) of comfilcon A Sphere, Toric, Multifocal, Toric Multifocal and Energys lenses, when used in the general population.
