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26 studies found for:    Open Studies | "Astigmatism"

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Rank Status Study
1 Recruiting SUPRACOR for Myopia and Myopic Astigmatism
Conditions: Myopia;   Myopic Astigmatism;   Presbyopia
Intervention: Procedure: SUPRACOR
2 Recruiting Surgical Correction of Astigmatism
Condition: Astigmatism
Interventions: Procedure: ReLEx;   Procedure: LASIK
3 Recruiting Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Condition: Astigmatism
Intervention: Device: LASIK
4 Recruiting Impact of Incision Size and Architecture on Wound Stability and Astigmatism in Cataract Surgery: an Exploratory Study
Condition: Impact of Incision Size and Architecture on Wound Stability and Astigmatism in Cataract Surgery
Interventions: Procedure: MICS-group;   Procedure: SICS-group;   Procedure: SICS pre-cut;   Procedure: SICS stab-incision
5 Recruiting Visual Performance Investigation of Two Toric Soft Contact Lenses
Conditions: Refractive Error;   Astigmatism;   Myopia;   Hyperopia
Interventions: Device: Lotrafilcon B toric contact lens;   Device: Comfilcon A toric contact lens
6 Not yet recruiting A Trial of Toric Versus Non-toric Intraocular Lenses in Phacoemulsification Cataract Surgery
Conditions: Cataract;   Astigmatism
Intervention: Device: Phacoemulsfication cataract surgery and intra-ocular lens implant
7 Recruiting Comparative In-Vivo Wetting Characteristics of Silicone Hydrogel Materials With Selected Lens Care Systems
Conditions: Myopia;   Astigmatism;   Refractive Error
Interventions: Device: Lotrafilcon B contact lenses (AIR OPTIX AQUA);   Device: Senofilcon A contact lenses (ACUVUE OASYS with HYDRACLEAR);   Device: OPTI-FREE PUREMOIST Multipurpose Disinfecting System (MPDS) contact lens care system;   Device: BIOTRUE contact lens care system;   Device: Balafilcon A contact lenses (PureVision);   Device: ReNu Multiplus contact lens care system
8 Recruiting Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
9 Recruiting Post Approval Study of the AcrySof® IQ Toric Intraocular Lens (IOL) Models SN6AT6-SN6AT9
Conditions: Cataracts;   Astigmatism
Interventions: Device: SN6AT6 Intraocular Lens;   Device: SN6AT7 Intraocular Lens;   Device: SN6AT8 Intraocular Lens;   Device: SN6AT9 Intraocular Lens;   Device: SN60WF Intraocular Lens
10 Recruiting Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact Lenses
Conditions: Myopia;   Astigmatism
Interventions: Device: Lotrafilcon B contact lens, sphere;   Device: Lotrafilcon B contact lens, toric;   Device: Comfilcon A contact lens, sphere;   Device: Comfilcon A contact lens, toric
11 Recruiting A Study to Address Precision and Refractive Predictability of Femtosecond Laser-assisted Astigmatic Keratotomy Following the Cataract Surgery
Condition: Astigmatism
Intervention: Device: arcuate incision
12 Recruiting Toric Eye Strain and Stability Study
Condition: Astigmatism
Interventions: Device: Etafilcon A;   Device: Etafilcon A Astigmatism
13 Recruiting Clinical Evaluation of Toric Intraocular Lens Made by Aurolab
Condition: Astigmatism
Intervention: Device: Experimental - Toric Intraocular lenses
14 Unknown † Intrastromal Correction of Ametropia by a Femtosecond Laser
Conditions: Presbyopia;   Myopia;   Hyperopia;   Astigmatism
Interventions: Device: Intrastromal Correction of Presbyopia;   Device: Intrastromal correction of Myopia;   Device: Intrastromal Correction of Hyperopia;   Device: Intrastromal Correction of Myopia incl. Astigmatism;   Device: Intrastromal Correction of Hyperopia incl. Astigmatism
15 Unknown † Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
Intervention:
16 Unknown † Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
Intervention:
17 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
18 Recruiting Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Conditions: Myopia;   Astigmatism;   Hypermetropia
Interventions: Procedure: Femtosecond LASIK;   Procedure: Small incision lenticule extraction (SMILE)
19 Recruiting Optical Quality, Threshold Target Identification, and Military Target Task Performance After Advanced Keratorefractive Surgery
Conditions: Myopia;   Myopic Astigmatism
Interventions: Procedure: WFG PRK;   Procedure: WFG LASIK;   Procedure: WFO PRK;   Procedure: WFO LASIK
20 Unknown † Prospective Evaluation of Limbal Relaxing Incision (LRI) in Conjunction With Phacoemulsification Surgery for Astigmatic Correction in Chinese Eyes
Condition: Corneal Astigmatism
Intervention: Procedure: Limbal relaxing incision
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† Indicates status has not been verified in more than two years