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64 studies found for:    Open Studies | "Myopia"
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Rank Status Study
21 Unknown  Efficacy of Retinal Nerve Fiber Layer (RNFL) / Retinal Thickness Ratio by Cirrus OCT Utilizing Spectral -Domain Technology as a Diagnostic Predictor of Glaucoma
Conditions: Glaucoma;   Myopia
Intervention:
22 Unknown  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)
23 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
24 Recruiting Wavefront-guided PRK vs Wavefront-optimized PRK
Conditions: Myopia;   Astigmatism
Interventions: Procedure: Wavefront-guided PRK;   Procedure: Wavefront-optimized PRK
25 Recruiting A Prospective Safety and Effectiveness Study of the 500 Hz Technolas Perfect Vision Excimer Laser Using LASIK
Conditions: Myopia;   Hyperopia
Intervention: Device: Proscan
26 Recruiting A Prospective Safety and Effectiveness Study of the 500 Hz Technolas Perfect Vision Excimer Laser in Asian Eyes Using LASIK
Conditions: Myopia;   Hyperopia;   Presbyopia
Intervention: Device: Proscan, Zyoptix and Supracor
27 Recruiting Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery
Condition: Myopia
Intervention: Other: Tear collection
28 Unknown  Ocular Imaging With Spectral Domain Optical Coherence Tomography
Conditions: Healthy;   Myopia;   Hypermetropia
Intervention: Device: Spectral domain-OCT (Cirrus™ HD-OCT, Carl Zeiss Meditec AG)
29 Recruiting Optical Coherence Pachymetry to Evaluate Central Corneal Ablation Depth in Myopic Femtosecond Laser in Situ Keratomileusis
Condition: Myopia
Intervention:
30 Unknown  Ocular Response Analyzer Assessment of Intraocular Pressure and Corneal Biomechanical Properties in Myopic and Anisometropic Patients Under Atropine Treatment
Conditions: Myopia;   Anisometropia
Intervention:
31 Recruiting Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™
Condition: Stable Myopic Refractive Error, With or Without Astigmatism
Intervention: Device: STAR S4 IR laser with iDesign
32 Recruiting Effectiveness of Orthokeratology in Decreasing Myopic Progression in a Young Adult Population Enrolled in a Professional Optometric Curriculum
Condition: Myopia Progression
Intervention: Device: OrthoK
33 Recruiting An Evaluation of LASIK and PRK Surgery in Physicians
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention: Behavioral: Questionnaire (QoV questionnaire)
34 Recruiting High Resolution Wavefront-guided vs. Wavefront Optimized LASIK
Conditions: Nearsightedness;   Astigmatism
Intervention: Procedure: LASIK
35 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
36 Recruiting The Effects of Low Concentration Atropine on Pupil Size and Accommodation
Condition: Myopia
Intervention: Drug: Atropine
37 Not yet recruiting Ambient Light Levels in the Kindergarten and Schools and the Relation to Refractive Development
Condition: Myopia
Intervention: Other: autorefractometer, A-scan ultrasound
38 Recruiting Multi-Centre Clinical Evaluation of Two Reusable Soft Contact Lenses
Condition: Myopia
Interventions: Device: comfilcon A;   Device: lotrafilcon B
39 Recruiting Corneal Biomechanics and Corneal Reshaping Therapy
Condition: Myopia
Intervention: Other: Corneal reshaping therapy
40 Not yet recruiting Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Conditions: Amblyopia;   Myopia;   Hyperopia;   Astigmatism;   Cataract;   Retinoblastoma;   Trachoma;   Xerophthalmia;   Glaucoma;   Retinopathy of Prematurity
Interventions: Device: Spot photoscreener;   Procedure: Ophthalmologic evaluation;   Procedure: Cyclopleged refraction

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Indicates status has not been verified in more than two years