31 studies found for:    Open Studies | "Astigmatism"
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Open Studies | "Astigmatism" (31 records)
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Rank Status Study
1 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
2 Recruiting Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Condition: Astigmatism
Intervention: Device: LASIK
3 Recruiting Wavefront-guided PRK vs Wavefront-optimized PRK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided PRK;   Procedure: Wavefront-optimized PRK
4 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
5 Unknown  Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia
Conditions: Astigmatism;   Cataract
Interventions: Procedure: phacoemulsification;   Device: Pentacam (Oculus,Germany)examination
6 Recruiting Prospective Evaluation of the Long-term Effectiveness of the Femtosecond Laser-assisted Arcuate Incisions
Condition: Astigmatism
7 Recruiting Corneal Power, Astigmatism, and Aberration Changes After LASIK
Condition: Measurements of Patients Using OCT Before and After LASIK
8 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
9 Not yet recruiting High Resolution Wavefront-guided vs. Wavefront Optimized LASIK
Conditions: Nearsightedness;   Astigmatism
Intervention: Procedure: LASIK
10 Recruiting Early Changes Among FLEx, LASIK and FS-LASIK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: lenticule extraction;   Procedure: laser in situ keratomileusis;   Procedure: FS assisted laser in situ keratomileusis
11 Recruiting Changes Between Lenticule Extraction and Femtosecond Laser-assisted Laser in Situ Keratomileusis
Conditions: Myopia;   Astigmatism
Interventions: Procedure: lenticule extraction;   Procedure: femtosecond laser-assisted laser in situ keratomileusis
12 Recruiting Conventional Surgery vs. Verion/VerifEye
Conditions: Cataract;   Astigmatism
Interventions: Device: Conventional;   Device: Verion
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 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 Development of a Validated Chart for Intermediate Vision Assessment
Conditions: Myopia;   Hyperopia;   Presbyopia;   Astigmatism
Intervention: Other: Intermediate Visual acuity (IVA) assessment
16 Recruiting Quality of Vision and Quality of Life With LASIK
Conditions: Myopia;   Astigmatism;   Quality of Lifte
Intervention: Other: Patient Quality of Life andVision after LASIK Surgery
17 Recruiting Diurnal Changes of the Cornea - a Pilot Study
Condition: Astigmatism
18 Unknown  Clinical Evaluation of Toric Intraocular Lens Made by Aurolab
Condition: Astigmatism
Intervention: Device: Experimental - Toric Intraocular lenses
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 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

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Indicates status has not been verified in more than two years