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138 studies found for:    ASTIGMATISM
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Rank Status Study
1 Completed Intrastromal Corneal Ring for High Astigmatism on Postkeratoplasty
Condition: Astigmatism
Intervention: Procedure: INTRASTROMAL CORNEAL RING SEGMENT
2 Completed Astigmatism Management in Cataract Surgery With the AcrySof Toric Intraocular Lens
Condition: Astigmatism
Interventions: Device: AcrySof Toric intraocular lens, model SN60TT;   Device: AcrySof Monofocal IOL, model SN60AT
3 Completed Use of Toric Intraocular Lens to Neutralize Keratometric Astigmatism
Conditions: Cataract;   Astigmatism
Intervention: Procedure: Acrysof Toric one-piece intraocular lens
4 Completed
Has Results
Comparison of Cross-cylinder and Conventional Photorefractive Keratectomy(PRK) in Correcting Medium-high Astigmatism
Condition: Astigmatism
Intervention: Procedure: photorefractive keratectomy (PRK)
5 Completed Efficacy of the Wavefront Optimized (WFO) Profile in Non-anterior Astigmatisms
Condition: Astigmatism
Interventions: Other: Laser in situ keratomileusis (LASIK);   Other: Photorefractive keratectomy (PRK)
6 Unknown  Randomized, Prospective Comparison of the Outcome of Toric Implantable Contact Lens (TICL) and Q-LASIK for the Correction of Myopia With Astigmatism
Conditions: Myopia;   Astigmatism
Interventions: Procedure: the implantation of toric implantable collamer lens;   Procedure: customized laser-assisted in situ keratomileusis
7 Unknown  SUPRACOR for Myopia and Myopic Astigmatism
Conditions: Myopia;   Myopic Astigmatism;   Presbyopia
Intervention: Procedure: SUPRACOR
8 Completed Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Mixed Astigmatism
Condition: Mixed Astigmatism
Intervention: Device: MEL 80 Mixed Astigmatism Treatment
9 Active, not recruiting Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic Astigmatism
Conditions: Hyperopia;   Hyperopic Astigmatism
Interventions: Drug: riboflavin ophthalmic solution, 0% dextran;   Device: UVA Irradiation (30 mW/cm2 for 2 minutes continuous UVA);   Device: UVA Irradiation (30 mW/cm2 for 3 minutes pulsed UVA with an on/off cycle of 2 seconds UVA on/1 second UVA off);   Procedure: Laser-assisted in situ keratomileusis
10 Completed Comparison of Toric IOL Implantation and Opposite Clear Corneal Incision During Cataract Surgery to Correct Corneal Astigmatism
Conditions: Cataract;   Corneal Astigmatism
Interventions: Device: toric IOL;   Procedure: IOL combined with opposite clear corneal incision (OCCI)
11 Withdrawn Surgical Correction of Astigmatism
Condition: Astigmatism
Interventions: Procedure: ReLEx;   Procedure: LASIK
12 Terminated Silicone Hydrogel Contact Lenses on Low Astigmatism in Japan
Conditions: Refractive Error;   Myopia;   Astigmatism
Interventions: Device: senofilcon A toric soft contact lens;   Device: senofilcon A sphere soft contact lens
13 Completed
Has Results
Clinical Performance of Biofinity Toric Versus Air Optix for Astigmatism
Condition: Astigmatism
Interventions: Device: comfilcon A;   Device: lotrafilcon B
14 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
15 Completed Corneal Astigmatism Measurement Study
Condition: Astigmatism
Intervention:
16 Recruiting Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Condition: Astigmatism
Intervention: Device: LASIK
17 Completed Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for Astigmatism
Condition: Astigmatism
Interventions: Device: Nelfilcon A toric contact lenses;   Device: Etafilcon A toric contact lenses
18 Completed
Has Results
Assessment of Visual Performance in Patients With Low Levels of Astigmatism
Conditions: Cataract Extraction;   Corneal Astigmatism
Intervention: Other: Visual performance measures
19 Completed Corneal Epithelial and Stromal Thickness Distribution in Keratoconus
Conditions: Keratoconus;   Astigmatism
Intervention:
20 Unknown  Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses
Conditions: Refractive Errors;   Astigmatism
Intervention: Device: SynergEyes A2 Hybrid Contact Lens

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