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28 studies found for:    Open Studies | "Astigmatism"
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Rank Status Study
1 Unknown  SUPRACOR for Myopia and Myopic Astigmatism
Conditions: Myopia;   Myopic Astigmatism;   Presbyopia
Intervention: Procedure: SUPRACOR
2 Not yet recruiting Limbal Relaxing Incision Versus Toric Intraocular Lens for Corneal Astigmatism During Cataract Surgery.
Conditions: Astigmatism;   Cataract
Interventions: Procedure: Limbal Relaxing Incisions;   Device: Toric Intraocular Lens
3 Recruiting Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Condition: Astigmatism
Intervention: Device: LASIK
4 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
5 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
6 Recruiting Wavefront-guided PRK vs Wavefront-optimized PRK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided PRK;   Procedure: Wavefront-optimized PRK
7 Unknown  Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
8 Recruiting Prospective Evaluation of the Long-term Effectiveness of the Femtosecond Laser-assisted Arcuate Incisions
Condition: Astigmatism
Intervention:
9 Recruiting Corneal Power, Astigmatism, and Aberration Changes After LASIK
Condition: Measurements of Patients Using OCT Before and After LASIK
Intervention:
10 Recruiting Impact of a Corneal Pre-cut on Wound Architecture and Astigmatism in Cataract Surgery - a Pilot Study
Condition: Cataract
Interventions: Procedure: Corneal precut 600µm;   Procedure: Corneal stabincision
11 Recruiting Development of a Validated Chart for Intermediate Vision Assessment
Conditions: Myopia;   Hyperopia;   Presbyopia;   Astigmatism
Intervention: Other: Intermediate Visual acuity (IVA) assessment
12 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
13 Unknown  Clinical Evaluation of Toric Intraocular Lens Made by Aurolab
Condition: Astigmatism
Intervention: Device: Experimental - Toric Intraocular lenses
14 Recruiting Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Conditions: Myopia;   Astigmatism;   Hypermetropia
Interventions: Procedure: Femtosecond LASIK;   Procedure: Small incision lenticule extraction (SMILE)
15 Recruiting Clinical Performance of Habitual Wearers of Avaira Toric When Refitted With Clariti Toric Lenses
Condition: Astigmatism
Interventions: Device: somofilcon A;   Device: enfilcon A
16 Unknown  Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
Intervention:
17 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
18 Recruiting Clinical Performance of Habitual Hydrogel vs. Silicone Hydrogel Toric Contact Lenses
Condition: Astigmatism
Intervention: Device: enfilcon A
19 Recruiting Diurnal Changes of the Cornea - a Pilot Study
Condition: Astigmatism
Intervention:
20 Recruiting New Treatment Algorithm to Reduce Spherical Aberration After LASIK Correction for Myopia
Conditions: Myopia;   Astigmatism
Interventions: Device: VSS-Rx1 OPM software;   Device: iDesign Advanced CustomVue wavefront-guided LASIK treatment

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Indicates status has not been verified in more than two years