77 studies found for:    Open Studies | "Refractive Errors"
Show Display Options
RSS Create an RSS feed from your search for:
Open Studies | "Refractive Errors"
Need help? See RSS Feeds
Choose a feed type:
Show studies first received on any dateShow studies that were first received in the last 14 days
Show studies last updated date on any dateShow studies that were added or modified in the last 14 days
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 Recruiting 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 Not yet recruiting Dispensing Study to Assess Visual Performance of Prototype Contact Lenses
Conditions: Presbyopia;   Refractive Error
Intervention: Device: Etafilcon A, Lotrafilcon B
4 Not yet 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
5 Recruiting Visual Performance of Prototype Contact Lens Designs
Conditions: Presbyopia;   Refractive Error
Intervention: Device: Etafilcon A, Senofilcon A
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 Comparison of Intraocular Lens Power Calculation Methods After Corneal Laser Refractive Surgery in Axial and Refractive Ammertropia
Conditions: Cataract;   Refractive Errors
Intervention:
8 Unknown  The Effect of Gabapentin (Neurentin) and Pregabalin (Lyrica) in Pain Reduction After Photorefractive Keratectomy
Condition: Refractive Errors
Intervention: Drug: Pregabalin
9 Recruiting A New More Efficient Cycloplegia Scheme
Condition: Refractive Errors
Interventions: Drug: Cyclopentolate;   Drug: Cyclopentolate+tropicamide+phenylephrine
10 Recruiting Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors
Condition: Hyperopia
Intervention: Device: LASIK correction of hyperopic refractive errors
11 Recruiting Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Condition: Astigmatism
Intervention: Device: LASIK
12 Recruiting The Efficacy and Safety of Periocular Acupoint Stimulation on Myopia Progression in Children
Condition: Myopia
Intervention: Device: massager
13 Recruiting Corneal Epithelium Repair and Therapy Using Autologous Limbal Stem Cell Transplantation
Conditions: Corneal Disease;   Pterygium;   Myopia;   Hyperopia
Interventions: Procedure: LSCs and amniotic membrane (Modified Technique);   Procedure: Amniotic membrane only (Traditional Technique);   Procedure: PRK, LSCs, and amniotic membrane (Modified Technique);   Procedure: PRK only (Traditional Technique);   Drug: Levofloxacin;   Drug: Betamethasone;   Drug: Limbal stem cells (LSCs)
14 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
15 Unknown  The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
Condition: Myopia
Intervention:
16 Unknown  Study of Myopia Prevention in Children With Low Concentration of Atropine
Condition: Myopia
Interventions: Drug: atropine;   Drug: tropicamide
17 Recruiting Prospective Investigation of SUPRACOR Visual Outcomes of Presbyopic Hyperopic Patients With and Without Astigmatism
Condition: Hyperopic Presbyopia
Intervention: Device: SUPRACOR LASIK treatment
18 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
19 Not yet recruiting Multifocal Lens Centration and Its Effect on Visual Performance in a Presbyopic Population
Condition: Presbyopia
Interventions: Device: Acuvue Oasys for Presbyopia;   Device: PureVision2 for Presbyopia;   Device: Biofinity Multifocal
20 Recruiting Initial Treatment With Bevacizumab in Choroidal Neovascularization Associated to High Myopia
Condition: Choroidal Subfoveal/Juxtafoveal Neovascularization in High Myopia
Intervention: Drug: Bevazizumab intravitreal injection

Previous Page Studies Shown (1-20) Next Page (21-40) Show next page of results
Indicates status has not been verified in more than two years