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Found 25 studies with search of: astigmatism | Open Studies
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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 Toric Orthokeratology - Slowing Eye Elongation
Conditions: Myopia;   Astigmatism
Interventions: Device: Toric Orthokeratology lenses;   Device: Single-vision spectacles
4 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
5 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
6 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
7 Recruiting Investigation of Corneal Aberrations and Visual Outcomes in Patients Implanted With an AcrySof Toric Intraocular Lens (IOL)
Conditions: Cataracts;   Astigmatism
Intervention: Device: Toric
8 Recruiting ACRYSOF ® Toric T9 IOL
Condition: Adult Patients With Bilateral Cataracts.
Intervention: Device: ACRYSOF® Single-Piece NATURAL Toric IOL Model SN60T9 and Model SN60T8.
9 Not yet recruiting Multicenter Evaluation of Safety and Effectiveness of Presbyopic LASIK for Hyperopes
Conditions: Presbyopia;   Hyperopia
Intervention: Procedure: LASIK
10 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
11 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)
12 Recruiting Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
Intervention:
13 Recruiting Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
Intervention:
14 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
15 Recruiting Surgical Treatment of Concurrent Cataract and Primary Pterygium
Conditions: Pterygium;   Cataract;   Lenses, Intraocular
Interventions: Procedure: combined pterygium and cataract operation;   Procedure: pterygium excision followed by cataract operation
16 Recruiting Femtosecond Laser Assisted Keratoplasty
Condition: Penetrating Keratoplasty
Intervention: Procedure: Femtosecond laser assisted keratoplasty
17 Recruiting Phaco Versus Small Incision Cataract Surgery (SICS) Health Economic Study
Condition: Cataract
Interventions: Procedure: Phacoemulsification cataract extraction surgery;   Procedure: Small incision cataract surgery
18 Not yet recruiting Recommendations for Monitoring Clinical Experience Following Implantation of the AcrySof® Toric
Condition: Cataract
Intervention: Device: AcrySof® Toric IOL
19 Recruiting A Comparison Between Full Thickness and Partial Thickness Corneal Transplantation for Corneal Edema
Conditions: Fuch's Dystrophy;   Corneal Edema
Intervention: Procedure: Corneal transplantation
20 Recruiting Phacoemulsification Sleeves
Condition: Cataract
Intervention: Procedure: Phacoemulsification Sleeve

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