19 studies found for:    Open Studies | "Hyperopia"
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Open Studies | "Hyperopia"
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Rank Status Study
1 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
2 Recruiting Hyperopia Treatment Study 1 (HTS1)
Condition: Hyperopia
Intervention: Procedure: Glasses
3 Unknown  Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
Condition: Hyperopia
Intervention: Device: Optimal Keratoplasty
4 Not yet 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
5 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)
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 Unknown  Presbyopic Supracor Treatment for Near Myopic/Hyperopic Pseudophakic Eyes
Conditions: Myopia;   Hyperopia;   Presbyopia
Intervention: Device: Supracor
8 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
9 Recruiting A Prospective Safety and Effectiveness Study of the 500 Hz Technolas Perfect Vision Excimer Laser Using LASIK
Conditions: Myopia;   Hyperopia
Intervention: Device: Proscan
10 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
11 Recruiting Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors
Condition: Hyperopia
Intervention: Device: LASIK correction of hyperopic refractive errors
12 Unknown  Creating LASIK Flaps With the LenSx Femtosecond Laser
Conditions: Myopia;   Hyperopia
Intervention: Device: LenSx Laser
13 Recruiting Feasibility of Measurement of Optical Aberrations in Hyperopia by Using an Adaptive Optics Visual Simulator (AOVIS-I)
Condition: Hyperopic Patients
Intervention: Device: Monocular Adaptive Optics Visual Simulator (AOVIS-I)
14 Not yet recruiting Refraction Determination Analysis
Conditions: Myopia,;   Hyperopia,;   Astigmatism,;   Presbyopia,;   Eye Strain,
Interventions: Device: Telemedicine refraction;   Device: Traditional refraction
15 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)
16 Recruiting Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)
Conditions: Nearsightedness;   Farsightedness;   Astigmatism
Intervention:
17 Recruiting Randomized, Non-inferiority Trial Comparing SMILE and LASIK
Conditions: Myopia;   Astigmatism;   Hypermetropia
Interventions: Procedure: Femtosecond LASIK;   Procedure: Small incision lenticule extraction (SMILE)
18 Recruiting Prospective Investigation of SUPRACOR Visual Outcomes of Presbyopic Hyperopic Patients With and Without Astigmatism
Condition: Hyperopic Presbyopia
Intervention: Device: SUPRACOR LASIK treatment
19 Unknown  Prevalence of Angle Closure in Caucasian Hyperopes
Condition: Chronic Angle Closure Glaucoma
Intervention:

Indicates status has not been verified in more than two years