Clinical trials: Astigmatism
Cataract
Calhoun Vision Light Adjustable Lens (LAL) in Subjects With Pre-Existing Corneal Astigmatism
The purpose is to evaluate the Calhoun Vision Light Adjustable Lens (LAL) and Light Delivery Device (LDD) for reducing astigmatism and improving uncorrected vision after implantation.
- Trial name
- NCT01496066
- Testing
- LAL (Light Adjustable Lens) and Light Deliver Device (LDD), Monofocal control IOL
- Where
- 17 sites in United States
- Volunteers
- 600 people
- Sponsor
- Calhoun Vision, Inc.
Astigmatism
The Effect of the Changes in Cylinder Power and Axis of Toric Soft Contact Lenses on the Visual Quality, Satisfaction and Vision Acceptability in Astigmatic Subjects
Toric SCL combined spheric lens power with cylinder power and axis. However, in Indonesia, the availability of cylinder power and axis parameter variations between products are still narrow, with stock-keeping units (SKUs)…
- Trial name
- NCT06937489
- Testing
- Hydrogel conventional toric lenses with -10° axis misalignment, Hydrogel conventional toric lenses with +10° axis misalignment, Hydrogel conventional toric lenses with undercorrection of 0.5 D
- Where
- Indonesia
- Volunteers
- 20 people
- Sponsor
- Universitas Indonesia
Astigmatism
The Comparative Clinical Performance of Two Daily Disposable Toric Contact Lenses
This study aimed to compare the clinical performance of two daily disposable toric contact lenses.
- Trial name
- NCT05020990
- Testing
- Lens A (delefilcon A), Lens B (stenfilcon A)
- Where
- 3 sites in United Kingdom
- Volunteers
- 55 people
- Sponsor
- CooperVision, Inc.
Irregular Astigmatism
Visual Outcomes of Topography Guided Photorefractive Keratectomy (PRK) for Treatment of Patients With Irregular Cornea
Irregular astigmatism is one of the most serious and frequent complications of corneal refractive surgery and one of the worst sequelae of other forms of corneal surgery .
- Trial name
- NCT03140046
- Testing
- photorefractive keratectomy (PRK)
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Assiut University