32 studies found for:    Open Studies | "Astigmatism"
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Rank Status Study
21 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
22 Unknown  Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients
Conditions: Myopia;   Astigmatism
23 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
24 Unknown  Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions
Condition: Astigmatism
25 Not yet recruiting Rayner Toric IOL Rotational Stability
Conditions: Cataract;   Corneal Astigmatism
Interventions: Procedure: Cataract surgery;   Device: Rayner T-flex Toric IOLs
26 Recruiting Combined 25-gauge Vitrectomy and Cataract Surgery With Toric Intraocular Lens With Idiopathic Epiretinal Membrane.
Conditions: Cataract;   Epiretinal Membrane;   Corneal Astigmatism
Interventions: Device: Vitrectomy with cataract surgery and toric IOL;   Device: Vitrectomy with cataract surgery and common IOL
27 Unknown  Prospective Evaluation of Limbal Relaxing Incision (LRI) in Conjunction With Phacoemulsification Surgery for Astigmatic Correction in Chinese Eyes
Condition: Corneal Astigmatism
Intervention: Procedure: Limbal relaxing incision
28 Not yet recruiting Scleral Versus Corneal RGP Contact Lenses in Irregular Cornea Disorders
Conditions: Irregular; Contour of Cornea;   Keratoconus;   Pellucid Marginal Corneal Degeneration;   Injury of Cornea;   Irregular Astigmatism
Interventions: Device: Scleral rigid gas permeable contact lenses (Zenlens™);   Device: Corneal lenses (Rose K2)
29 Not yet recruiting A Intra-patient Comparison of Closed Loop and Plate Haptic Toric Intraocular Lenses
Condition: Cataract
Interventions: Device: T-flex Aspheric Toric IOL;   Device: AT TORBI toric IOL
30 Recruiting Astigmatic Changes Secondary to Eyelid Surgeries
Condition: Blepharoptosis
31 Recruiting Higher Irradiance in Keratoconus Ectasia
Conditions: Keratoconus;   Ectasia
Interventions: Device: UVA Light with irradiance exposure of 9 mW/cm2;   Drug: Riboflavin 0.1% ophthalmic solution;   Device: UVA Light with irradiance exposure of 18 mW/cm2
32 Available Progressive Keratoconus or Ectasia Treatment Plan
Conditions: Keratoconus;   Ectasia
Interventions: Other: Riboflavin Solution;   Device: UV-X Illumination System

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Indicates status has not been verified in more than two years