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Found 15 studies with search of: Open Studies | "Astigmatism"
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Rank Status Study
1 Recruiting Comparison of Cross-Cylinder Approach and Routine Method for Laser Correction of Astigmatism
Condition: Astigmatism
Intervention: Procedure: photorefractive keratectomy (PRK)
2 Recruiting Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Mixed Astigmatism
Condition: Mixed Astigmatism
Intervention: Device: MEL 80 Mixed Astigmatism Treatment
3 Recruiting Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses
Conditions: Refractive Errors;   Astigmatism
Intervention: Device: SynergEyes A2 Hybrid Contact Lens
4 Recruiting A Prospective, Randomized, Multi Center Clinical Comparison of Fellow Eyes Undergoing Lasik Using the Wavelight Allegretto Wave™ Excimer Laser in One Eye and the Amo/Visx Customvue™ or the Ladarvision 4000 Excimer Laser System in the Contralateral Eye (Wlcvlv-001)
Conditions: Myopia;   Astigmatism
Interventions: Device: Excimer Laser;   Device: AMO/VISX CustomVue™;   Device: LADARVision 4000 excimer laser
5 Recruiting Investigation of Corneal Aberrations and Visual Outcomes in Patients Implanted With an AcrySof Toric Intraocular Lens (IOL)
Conditions: Cataracts;   Astigmatism
Intervention: Device: Toric
6 Recruiting Toric Orthokeratology - Slowing Eye Elongation
Conditions: Myopia;   Astigmatism
Interventions: Device: Toric Orthokeratology lenses;   Device: Single-vision spectacles
7 Recruiting Refractive Change Induced by 2.8-mm Corneal Incision
Conditions: Cataract;   Refractive Surgery;   Astigmatism
Interventions: Procedure: Nasal 2.8-mm corneal incision;   Procedure: Temporal 2.8-mm corneal incision;   Procedure: Superior 2.8-mm incision
8 Recruiting Wavefront Analyses and Visual Performance of Three Multifocal Intra-Ocular Lenses
Conditions: Cataract;   Astigmatism
Interventions: Device: Tecnis implant;   Device: ReSTOR implant;   Device: ReZoom implant
9 Recruiting Safety and Effectiveness of the Akreos Toric Intraocular Lens.
Conditions: Cataract;   Astigmatism
Interventions: Device: Akreos Toric IOL;   Device: Akreos Advanced Optics Aspheric Intraocular Lens (Akreos AO)
10 Recruiting 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
11 Recruiting Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
Intervention:
12 Recruiting Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
Intervention:
13 Not yet recruiting Complete Easy Rub Comparative Efficacy Study
Conditions: Myopia;   Hyperopia;   Astigmatism
Interventions: Device: Complete Easy Rub Formula MPS;   Device: Aquify MPS
14 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
15 Recruiting Multicenter Evaluation of Safety and Effectiveness of Presbyopic LASIK for Hyperopes
Conditions: Presbyopia;   Hyperopia
Intervention: Procedure: LASIK

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