Clinical trials: Hyperopia and Myopia
Cataract, Pseudophakia
Evaluation Study for a Non-Contact Biometer
The purpose of this study is to determine whether a new non-contact biometer, is as accurate as the the available gold-standard.
- Conditions
- Cataract, Pseudophakia, Myopia, Hyperopia
- Trial name
- NCT00494390
- Where
- Switzerland
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Myopia, Astigmatism
Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Background: Small Incision Lenticule Extraction or SMILE is a novel form of 'flapless' corneal refractive surgery that was adapted from Refractive Lenticule Extraction (ReLEx).
- Conditions
- Myopia, Astigmatism, Hypermetropia
- Trial name
- NCT01216475
- Testing
- Femtosecond LASIK, Small incision lenticule extraction (SMILE)
- Where
- Singapore
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia, Hyperopia
A Prospective Safety and Effectiveness Study of the 500 Hz Technolas Perfect Vision Excimer Laser in Asian Eyes Using LASIK
This clinical study has been planned to evaluate the safety and effectiveness of common treatment algorithms using 500 Hz laser repetition rate.
- Conditions
- Myopia, Hyperopia, Presbyopia
- Trial name
- NCT01977807
- Testing
- Proscan, Zyoptix and Supracor
- Where
- Philippines
- Volunteers
- 100 people
- Sponsor
- Technolas Perfect Vision GmbH
Refractive Error - Myopia Axial
Axis Length and Its Relationship With Refractive Error in Chinese University Students
To investigate the relationship between axis length (AL) and refractive error. eyes of low hyperopia to emmetropia subjects, comprising eyes with moderate to high myopia (-11.00D ≤ SE ≤ -4.00D) were analyzed in this…
- Trial name
- NCT04666870
- Testing
- myopia or not myopia
- Where
- China
- Volunteers
- 1,901 people
- Sponsor
- Wang Hongxia