Clinical trials: Pupil Shift
Pupil Centroid Shift
Pupil Centroid Shift Compensation in Photorefractive Keratectomy Candidates
patients who are candidates of PRK will be recruited in this intrasubject randomized clinical trial. Inclusion criteria are myopia or myopic astigmatism with refractive cylinder.
- Trial name
- NCT03844178
- Testing
- The option for compensation of Pupil centroid shift was ON, The option for compensation of Pupil centroid shift was OFF, installation of Tetracaine 1%
- Where
- Iran
- Volunteers
- 104 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Eye Cyclorotation Degree, Pupil Shift
Evaluation of Position-induced Cyclorotation Between Wavefront Measurement and Refractive Surgery by the Iris Registration Method
Cyclorotation of eyes may be affected by motion and orientation of the head and body. An automated alignment method with the technique of iris recognition was used to assess the amount and orientation of position-induced…
- Trial name
- NCT00943163
- Where
- Taiwan
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital