28 studies found for:    Open Studies | "Astigmatism"
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Open Studies | "Astigmatism" (28 records)
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Rank Status Study
1 Unknown  SUPRACOR for Myopia and Myopic Astigmatism
Conditions: Myopia;   Myopic Astigmatism;   Presbyopia
Intervention: Procedure: SUPRACOR
2 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 Wavefront-guided PRK vs Wavefront-optimized PRK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided PRK;   Procedure: Wavefront-optimized PRK
4 Unknown  Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
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 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
7 Recruiting Prospective Evaluation of the Long-term Effectiveness of the Femtosecond Laser-assisted Arcuate Incisions
Condition: Astigmatism
Intervention:
8 Recruiting Corneal Power, Astigmatism, and Aberration Changes After LASIK
Condition: Measurements of Patients Using OCT Before and After LASIK
Intervention:
9 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
10 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
11 Recruiting Diurnal Changes of the Cornea - a Pilot Study
Condition: Astigmatism
Intervention:
12 Unknown  Clinical Evaluation of Toric Intraocular Lens Made by Aurolab
Condition: Astigmatism
Intervention: Device: Experimental - Toric Intraocular lenses
13 Unknown  Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
Intervention:
14 Not yet recruiting 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
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 Recruiting Development of a Validated Chart for Intermediate Vision Assessment
Conditions: Myopia;   Hyperopia;   Presbyopia;   Astigmatism
Intervention: Other: Intermediate Visual acuity (IVA) assessment
17 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
18 Unknown  Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
Intervention:
19 Unknown  Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Conditions: Myopia;   Astigmatism;   Hypermetropia
Interventions: Procedure: Femtosecond LASIK;   Procedure: Small incision lenticule extraction (SMILE)
20 Not yet recruiting Refraction Determination Analysis
Conditions: Myopia,;   Hyperopia,;   Astigmatism,;   Presbyopia,;   Eye Strain,
Interventions: Device: Telemedicine refraction;   Device: Traditional refraction

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Indicates status has not been verified in more than two years