Now Available: Final Rule for FDAAA 801 and NIH Policy on Clinical Trial Reporting
171 studies found for:    ASTIGMATISM
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Rank Status Study
21 Active, not recruiting Correction of Myopia Wtih or Without Astigmatism Using the VisuMax™ Femtosecond Laser
Conditions: Myopia;   Astigmatism
Intervention: Device: Carl Zeiss Meditec VisuMax Femtosecond Laser
22 Recruiting Prospective Evaluation of the Long-term Effectiveness of the Femtosecond Laser-assisted Arcuate Incisions
Condition: Astigmatism
Intervention:
23 Completed Prospective Evaluation of the Effectiveness of the Femtosecond Laser-assisted Refractive Astigmatic Keratotomy.
Condition: Astigmatism
Intervention: Device: Laser-assisted Astigmatic keratotomy
24 Terminated Silicone Hydrogel Contact Lenses on Low Astigmatism in Japan
Conditions: Refractive Error;   Myopia;   Astigmatism
Interventions: Device: senofilcon A toric soft contact lens;   Device: senofilcon A sphere soft contact lens
25 Completed
Has Results
Safety and Effectiveness of Arcuate Incisions Performed With the iFS Femtosecond Laser System
Condition: Corneal Astigmatism
Intervention: Device: iFS Femtosecond Laser System
26 Active, not recruiting SUPRACOR for Myopia and Myopic Astigmatism
Conditions: Myopia;   Myopic Astigmatism;   Presbyopia
Intervention: Procedure: SUPRACOR
27 Not yet recruiting Influence of Trabeculectomy and Phaco-trabeculectomy on Corneal Astigmatism
Conditions: Astigmatism;   Glaucoma
Interventions: Device: Biometry;   Device: Refraction;   Device: Corneal Topography
28 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
29 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
30 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
31 Completed
Has Results
Assessment of Visual Performance in Patients With Low Levels of Astigmatism
Conditions: Cataract Extraction;   Corneal Astigmatism
Intervention: Other: Visual performance measures
32 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
33 Completed Corneal Epithelial and Stromal Thickness Distribution in Keratoconus
Conditions: Keratoconus;   Astigmatism
Intervention:
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 Unknown  Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses
Conditions: Refractive Errors;   Astigmatism
Intervention: Device: SynergEyes A2 Hybrid Contact Lens
36 Recruiting Performance of Fanfilcon A Toric Lenses After at Least One Month Wearing Enfilcon A Toric Lenses
Condition: Astigmatism
Intervention: Device: fanfilcon A
37 Recruiting Clinical Performance of Toric Hydrogel Contact Lenses Following One Week of Daily Wear
Condition: Astigmatism
Interventions: Device: filcon IV1;   Device: ocufilcon D
38 Recruiting Pseudophakic Astigmatic Reduction With Verion-LenSx Arcuate Incisions
Condition: Astigmatism
Intervention: Procedure: Verion-LenSx
39 Recruiting Rotational Stability After Nanoflex Collamer Toric Intraocular Lens Implantation in Astigmatic Patients
Condition: Astigmatism
Interventions: Procedure: Phacoemulsification with toric Nanoflex IOL implantation;   Device: NanoFlex toric Intraocular Lens
40 Completed VERION Versus Conventional, Manual Ink-marking in Toric IOL Implantation
Condition: Astigmatism
Interventions: Device: VERION for toric IOL alignment;   Procedure: Conventional, manual ink-marking for toric IOL alignment

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Study has passed its completion date and status has not been verified in more than two years.