Comment Period Extended to 3/23/2015 for Notice of Proposed Rulemaking (NPRM) for FDAAA 801 and NIH Draft Reporting Policy for NIH-Funded Trials
36 studies found for:    Open Studies | "Refractive Errors"
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Rank Status Study
1 Unknown  First-Sight Refractive Error Correction: Direct Comparison to Autorefraction Results in Children 7 to 18 Years of Age
Condition: Refractive Error
Intervention:
2 Unknown  Piggyback Sulcoflex Toric IOL for Correcting Refractive Error Following Corneal Transplantation
Conditions: Refractive Error;   Corneal Implantation;   Intraocular Lens Implantation
Interventions: Procedure: toric intraocular lens implantation;   Procedure: Sulcoflex intraocular lens implantation
3 Recruiting Optical Defocus to Stimulate Eye Elongation in Hyperopia
Conditions: Hyperopia;   Refractive Error
Interventions: Device: Simultaneous Vision Bifocal Soft Contact Lenses;   Device: Single Vision Soft Contact Lenses
4 Recruiting Dispensing Study to Assess Visual Performance of Prototype Contact Lenses
Conditions: Presbyopia;   Refractive Error
Intervention: Device: Etafilcon A, Lotrafilcon B , Senofilcon A
5 Recruiting Bifocal Lenses In Nearsighted Kids
Condition: Refractive Errors
Interventions: Device: Biofinity Multifocal D +1.50 add;   Device: Biofinity Multifocal D +2.50 add;   Device: Biofinity
6 Unknown  Safety and Efficacy Study to Evaluate the Treatment of Both Near and Distance Vision in a Simultaneous Laser Procedure
Conditions: Myopia;   Hyperopia;   Presbyopia;   Refractive Error
Intervention: Procedure: Supracor
7 Recruiting Tear Film Evaluation of Dailies® AquaComfort Plus® Multifocal and Toric
Condition: Refractive Error
Interventions: Device: Nelfilcon A multifocal contact lenses;   Device: Nelfilcon A toric contact lenses;   Device: Nelfilcon A sphere contact lenses
8 Recruiting FID# 114657 in Contact Lens Wearers
Conditions: Refractive Error;   Symptoms of Ocular Dryness
Interventions: Drug: FID# 114657 eye drops (10 ml);   Drug: Saline eye drops (15 ml);   Device: Habitual contact lenses
9 Unknown  The Effect of Gabapentin (Neurentin) and Pregabalin (Lyrica) in Pain Reduction After Photorefractive Keratectomy
Condition: Refractive Errors
Intervention: Drug: Pregabalin
10 Recruiting Comparison of Intraocular Lens Power Calculation Methods After Corneal Laser Refractive Surgery in Axial and Refractive Ammertropia
Conditions: Cataract;   Refractive Errors
Intervention:
11 Recruiting A New More Efficient Cycloplegia Scheme
Condition: Refractive Errors
Interventions: Drug: Cyclopentolate;   Drug: Cyclopentolate+tropicamide+phenylephrine
12 Not yet recruiting Myopia:the Role of Cone Opsin Mutations & Glasses That Control Axial Elongation
Condition: Myopia
Interventions: Other: Spectacles with red-blocking tint;   Other: Spectacles with holographic diffuser and color neutral tint;   Other: Spectacles with holographic diffuser and red-blocking tint;   Other: Spectacles with color neutral tint
13 Recruiting The Efficacy and Safety of Periocular Acupoint Stimulation on Myopia Progression in Children
Condition: Myopia
Intervention: Device: massager
14 Unknown  The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
Condition: Myopia
Intervention:
15 Recruiting Efficacy and Safety of Ranibizumab 0.5 vs Veteporfin PDT in Patients With Visual Impairment Due to Choroidal Neovascularization Secondary to Pathologic Myopia
Condition: Visual Impairment Due to Choroidal Neovascularization Secondary to Pathologic Myopia
Interventions: Drug: Ranibizumab 0.5mg;   Drug: Rranibizumab 0.5 mg;   Drug: Verteporfin PDT
16 Recruiting Clinical Trial of the Femtosecond Laser System VisuMax for Refractive Correction of Hyperopia by Means of Lenticule Extraction
Condition: Hyperopia
Interventions: Procedure: Small incision lenticule extraction;   Device: ReLEx®  (SMILE)
17 Not yet recruiting A Prospective Safety and Effectiveness Study of a New High Repetition Rate Excimer Laser Using LASIK for the Correction of Ammetropia and Presbyopia
Conditions: Myopia;   Hyperopia;   Presbyopia
Interventions: Procedure: Proscan;   Procedure: Zyoptix;   Procedure: Supracor
18 Unknown  Trial of Myopia Prevention Using +3D Lenses
Condition: Myopia
Intervention: Device: +3D Lenses
19 Not yet recruiting Myopia Control With the Multi-segment Lens
Condition: Myopia
Intervention: Device: Multiple-Segment spectacle lens
20 Unknown  Genomewide Screening of Pathological Myopia
Condition: Pathological Myopia
Intervention:

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Indicates status has not been verified in more than two years