30 studies found for:    Open Studies | "Contact Lenses"
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Rank Status Study
21 Not yet recruiting Changes in the Tear Film With Scleral Contact Lens Wear for Keratoconic Eyes
Condition: Keratoconus
Intervention: Device: ZenLens
22 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
23 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
24 Recruiting Comparative Analysis of the Visual Performance After TICL Implantation in Patients With Stable Keratoconus
Condition: Keratoconus
Intervention: Device: Toric Implantable collamer Lens
25 Recruiting Efficacy Study of Different Lens Treatments on Chinese Adolescent Myopia
Condition: Progressive Myopia
Interventions: Other: Spectacles;   Other: Myovision;   Other: Orthokeratology
26 Not yet recruiting INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia
Condition: Keratoconus
Intervention: Device: INTACS
27 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
28 Not yet recruiting Near Infrared Photobiomodulation Treatment for Diabetic Macular Oedema
Condition: Diabetic Macular Oedema
Intervention: Device: Ellex Integre NIR laser
29 Recruiting Safety and Effectiveness of Collagen-phosphorylcholine Bioengineered Cornea in Patients Requiring Lamellar Keratoplasty
Conditions: Corneal Ulcer;   Leukoma
Intervention: Device: Collagen-MPC cornea
30 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.