Clinical trials: Refractive Surgery
Refractive Surgery
CONTOURA vs WFO Ablation PRK & LASIK
This is a prospective randomized contralateral double-masked study. Each patient will be randomized as to which eye undergoes wave-front optimized (WFO) vs.
- Trial name
- NCT05037370
- Testing
- Wave-Front Optimized (WFO) ablation vs Topography-guided (TG) ablation
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- 59th Medical Wing
Cataract After, Astigmatism
Influence of Residual Astigmatism on Visual Acuity in Patients Undergoing Cataract Surgery With Trifocal Intraocular Lens Implantation
MAIN OBJECTIVE: To assess the influence of residual astigmatism on visual acuity in the different lens foci in patients operated on for cataracts with a trifocal intraocular lens implant.
- Conditions
- Cataract After, Astigmatism, IOL, Visual Acuity
- Trial name
- NCT04387721
- Testing
- Kind of trifocal IOL
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Enrique Ordiñaga-Monreal, OD, MSc
Corneal Astigmatism
Toric IOL vs Non-toric IOL With LRI for Corneal Astigmatism
The purpose of the study is to compare the astigmatism reducing effect of a toric intraocular lens (IOL) (model MX60T - Bausch \& Lomb) with that of limbal relaxing incisional surgery combined with a non toric IOL (model MX60 …
- Trial name
- NCT03633851
- Testing
- Toric intraocular MX60T lens, Standard MX60 plus corneal incisions
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ashford and St. Peter's Hospitals NHS Trust
Cataract Extraction
Microincision Versus Smallincision Combined Surgery
The purpose of this study is to compare refractive outcomes after two different types of combined cataract surgery, namely microinscision cataract surgery and smallincision cataract surgery, and sutureless 23-gauge vitrectomy in…
- Trial name
- NCT01198483
- Testing
- Combined Micro- Surgery, Combined Small-Surgery
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Cornea, Retina
Spectral-domain Optical Coherence Tomography of the Eye
An increasing number of clinical studies on SD-OCT of ocular pathologies and potential new clinical applications has recently been published in the peer-reviewed literature.
- Conditions
- Cornea, Retina, Refractive Surgery, Macular Edema
- Trial name
- NCT02614625
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Augenabteilung Allgemeines Krankenhaus Linz
Meibomian Gland Dysfunction, Blepharitis
Analysis of the Results of Intense Pulsed Light Treatment Previously to Laser Refractive Surgery
Dry eye is often reported as the most common complication after a laser refractive surgery. Any refractive procedure can lead an impact on the corneal surface and the tear film.
- Trial name
- NCT05139511
- Testing
- Study group, Control group
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vissum, Instituto Oftalmológico de Alicante