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33 studies found for:    Open Studies | "Contact Lenses"
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Rank Status Study
21 Recruiting Effect of Peripheral Defocus on Axial Growth in Hyperopes
Conditions: Hyperopia;   Amblyopia;   Anisohyperopia
Interventions: Device: Multifocal contact lenses;   Device: Single vision contact lenses
22 Recruiting Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3
Condition: Astigmatism
Interventions: Device: Placebo Lenses;   Device: Spherical Lenses;   Device: Toric Lenses
23 Not yet recruiting Changes in the Tear Film With Scleral Contact Lens Wear for Keratoconic Eyes
Condition: Keratoconus
Intervention: Device: ZenLens
24 Recruiting Changes of Visual Function, Ocular Surface Structures and Physiology After Long-Termed Contact Lens Wear
Conditions: Ocular Surface Disease;   Keratoconus;   Irregular Astigmatism
Interventions: Device: corneal lenses;   Device: large diameter lenses
25 Recruiting Clinical Assessment of a HYDRAGLYDE® Regimen
Conditions: Refractive Errors;   Myopia;   Hypermetropia
Interventions: Device: Lotrafilcon B contact lenses with added wetting agent;   Device: Samfilcon A contact lenses;   Device: POLYQUAD/ALDOX-preserved contact lens solution with added wetting agent;   Device: Hydrogen peroxide-based contact lens solution with added wetting agent;   Device: Senofilcon C contact lenses;   Device: Senofilcon A contact lenses;   Device: Comfilcon A contact lenses;   Device: Habitual Multi-Purpose Solution (HMPS)
26 Recruiting Long Term Effects of Multifocal Orthokeratology on Corneal and Choroidal Structures in Healthy Subjects With Myopia- A Pilot Study
Condition: Myopia
Intervention: Device: Orthokeratology lens
27 Recruiting Comparative Analysis of the Visual Performance After TICL Implantation in Patients With Stable Keratoconus
Condition: Keratoconus
Intervention: Device: Toric Implantable collamer Lens
28 Recruiting A Clinical Trial to Asses Efficacy and Safety of Cord Blood Eye Drops in Neurotrophic Keratopathy
Condition: Neurotrophic Keratopathy
Interventions: Drug: Cord Blood Eye Drops;   Drug: Conventional treatment
29 Not yet recruiting TF for the Prediction of Visual Field Progression
Condition: Open Angle Glaucoma
Intervention: Device: SENSIMED Triggerfish
30 Recruiting Efficacy Study of Different Lens Treatments on Chinese Adolescent Myopia
Condition: Progressive Myopia
Interventions: Other: Spectacles;   Other: Myovision;   Other: Orthokeratology
31 Not yet recruiting INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia
Condition: Keratoconus
Intervention: Device: INTACS
32 Recruiting Safety and Efficacity of Corneal Collagen Crosslinking in Infectious Keratitis (Bacterial and Fungal ): Randomized,Controlled, Prospective Study. (CXL)
Conditions: Bacterial Keratitis;   Fungal Keratitis
Interventions: Device: Crosslinking;   Drug: antibiotic treatment
33 Not yet recruiting Safety and Effectiveness of the RHCIII-MPC Biosynthetic Cornea in Patients Requiring Anterior Lamellar Keratoplasty
Condition: Leukoma
Interventions: Device: RHCIII-MPC cornea;   Device: Donor cornea

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Study has passed its completion date and status has not been verified in more than two years.