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138 studies found for:    ASTIGMATISM
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Rank Status Study
21 Completed Surgically Induced Astigmatism of Temporal Versus Nasal Clear Corneal Phacoemulsification
Condition: Surrgical Induced Astigmatism
Intervention: Procedure: phacoemulsification and intraocular lens implantation
22 Completed
Has Results
Evaluation of Two Daily Disposable Contact Lenses for Wearers With Astigmatism
Conditions: Astigmatism;   Myopia
Interventions: Device: Nelfilcon A investigational contact lens;   Device: Nelfilcon A commercial contact lens
23 Completed
Has Results
Clinical Performance of Atypical Contact Lens Powers on Subjects With Astigmatism
Condition: Astigmatism
Interventions: Device: senofilcon A toric;   Device: galyfilcon A toric
24 Completed 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)
25 Completed A Study to Investigate the Safety and Effectiveness of Aspheric Laser Refractive Surgery Treatments for Myopia
Conditions: Myopia;   Astigmatism
Interventions: Device: The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm;   Device: The Bausch & Lomb Zyoptix Tissue Saving algorithm
26 Completed
Has Results
Toric Intraocular Lens Following Cataract Surgery
Conditions: Cataract;   Astigmatism
Interventions: Device: Toric Accommodating Lens;   Device: Accommodating Lens
27 Completed Evaluation of Outcomes Following LASIK Surgery Using CustomVue
Conditions: Myopia;   Astigmatism;   Myopic Astigmatism
Intervention: Device: Wavefront-guided LASIK using CustomVue platform
28 Completed Evaluation of Visual Outcomes After Myopic LASIK
Conditions: Myopia;   Astigmatism;   Myopic Astigmatism
Interventions: Procedure: Conventional LASIK;   Procedure: Wavefront-guided LASIK
29 Completed Comparison of a Laser Keratome to a Mechanical Microkeratome
Conditions: Myopia;   Astigmatism;   Myopic Astigmatism
Interventions: Device: Amadeus Microkeratome;   Device: IntraLase
30 Unknown  Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
31 Completed
Has Results
Effect of Eye Movement on Toric Lens Orientation and Visual Acuity
Condition: Astigmatism
Interventions: Device: senofilcon A;   Device: balafilcon A;   Device: omafilcon A;   Device: lotrafilcon B
32 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
33 Unknown  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
34 Completed
Has Results
In-office Evaluation of Two Toric Soft Contact Lenses and a Spherical Soft Contact Lens
Condition: Astigmatism
Interventions: Device: senofilcon A toric contact lens;   Device: alphafilcon A toric;   Device: etafilcon A sphere
35 Completed
Has Results
Prospective Study of an Investigational Toric Soft Contact Lens
Conditions: Myopia;   Astigmatism;   Refractive Error
Interventions: Device: Nelfilcon A toric contact lenses (with comfort additives);   Device: Nelfilcon A toric contact lenses
36 Unknown  Effect of Pterygium Excision on Intraocular Lens Power Calculation for Subsequent Cataract Operation
Conditions: Pterygium;   Cataract;   Astigmatism
Intervention: Procedure: pterygium excision
37 Completed
Has Results
Evaluation of Orientation and Visual Acuity of Four Toric Soft Contact Lenses When Head is Tilted at 90 Degrees
Condition: Astigmatism
Interventions: Device: senofilcon A;   Device: balafilcon A toric;   Device: lotrafilcon B toric;   Device: omafilcon A
38 Completed
Has Results
Evaluation of Two Toric Soft Contact Lenses After Two Weeks of Wear
Condition: Astigmatism
Interventions: Device: senofilcon A toric;   Device: alphafilcon A toric
39 Unknown  Toric Orthokeratology - Slowing Eye Elongation
Conditions: Myopia;   Astigmatism
Interventions: Device: Toric Orthokeratology lenses;   Device: Single-vision spectacles
40 Active, not recruiting LASIK Using the Alcon Allegretto Wavefront-Guided Excimer Laser vs AMO Visx Wavefront-Guided Excimer Laser
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided LASIK - Allegretto;   Procedure: Wavefront-guided LASIK - AMO

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Indicates status has not been verified in more than two years