30 studies found for:    Open Studies | "Astigmatism"
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Open Studies | "Astigmatism" (30 records)
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Rank Status Study
1 Not yet recruiting Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism
Condition: Astigmatism
Interventions: Device: stenfilcon A;   Device: etafilcon A
2 Recruiting Correction of Myopia Wtih or Without Astigmatism Using the VisuMax™ Femtosecond Laser
Conditions: Myopia;   Astigmatism
Intervention: Device: Carl Zeiss Meditec VisuMax Femtosecond Laser
3 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
4 Recruiting Wavefront-guided PRK vs Wavefront-optimized PRK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided PRK;   Procedure: Wavefront-optimized PRK
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 Unknown  Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
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  Clinical Evaluation of Toric Intraocular Lens Made by Aurolab
Condition: Astigmatism
Intervention: Device: Experimental - Toric Intraocular lenses
11 Recruiting Diurnal Changes of the Cornea - a Pilot Study
Condition: Astigmatism
Intervention:
12 Unknown  Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
Intervention:
13 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
14 Unknown  Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Conditions: Myopia;   Astigmatism;   Hypermetropia
Interventions: Procedure: Femtosecond LASIK;   Procedure: Small incision lenticule extraction (SMILE)
15 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
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 Development of a Validated Chart for Intermediate Vision Assessment
Conditions: Myopia;   Hyperopia;   Presbyopia;   Astigmatism
Intervention: Other: Intermediate Visual acuity (IVA) assessment
19 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
20 Recruiting Clinical Performance of Habitual Wearers of Avaira Toric When Refitted With Clariti Toric Lenses
Condition: Astigmatism
Interventions: Device: somofilcon A;   Device: enfilcon A

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Indicates status has not been verified in more than two years