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Active clinical trials for "Myopia"

Results 311-320 of 694

Three Intraocular Lenses Designed to Improve Distance, Intermediate and Near Vision Following Lens...

Cataract

The objective of this study is to compare the contrast sensitivity, high and low contrast visual acuity (VA), glare meter outcomes, and subject satisfaction with three different FDA-approved intraocular lenses (IOLs) designed to improve distance, intermediate, and near vision following lens extraction in adults at least 40 years of age.

Completed21 enrollment criteria

A Lifestyle Investigation With Spectacles and Daily Disposable Contact Lenses in Young Patients...

Myopia

The purpose of this study was to evaluate the relative benefits of daily disposable contact lenses versus spectacles in young adults.

Completed18 enrollment criteria

Clinical Comparison of Silicone Hydrogel and HEMA-based Daily Disposable Contact Lenses

Myopia

The purpose of this trial was to compare the performance of an investigational daily disposable contact lens to a commercially available daily disposable contact lens.

Completed14 enrollment criteria

Dispensing Evaluation of a Prototype Contact Lens and a Marketed Contact Lens

Myopia

The purpose of this study is to compare visual acuity and redness of eyes between a prototype contact lens and an already marketed contact lens.

Completed17 enrollment criteria

Clinical Evaluation of the Long-Term Effects of Contact Lens Care Systems

Myopia

The purpose of this study is to compare two marketed contact lens care solutions in regards to comfort and ocular health.

Completed16 enrollment criteria

Contralateral Comparison of Three Excimer Laser Systems in Performing LASIK

MyopiaAstigmatism

The purpose of this study is to compare LASIK outcomes using the WaveLight ALLEGRETTO WAVE™ wavefront guided or optimized excimer laser treatment with the AMO/VISX CustomVue™ and the LADARVision 4000 excimer laser treatment. Standard refractive outcomes such as uncorrected and best corrected visual acuity, and intended vs. achieved postoperative refractions will be evaluated; in addition, high order optical aberrations, contrast sensitivity, and topography will be measured.

Completed25 enrollment criteria

Non-Dispensing Evaluation of an Investigational Galyfilcon A Soft Contact Lens

Myopia

The purpose of this investigation is to compare the fit characteristics and vision attributes of an investigational Galyfilcon A contact lens and an approved Galyfilcon A contact lens.

Completed15 enrollment criteria

Comparison of Conventional and Custom Photorefractive Keratectomy (PRK)

Myopia

The study objective is to compare the clinical outcomes using wavefront guided PRK with iris registration and conventional laser PRK using FDA-approved laser technology on the same patient.

Completed2 enrollment criteria

Clinical Performance of Extended Wear Silicone Hydrogel Lenses

Myopia

The primary purpose of this study is to investigate the clinical performance of a new silicone hydrogel contact lens over a period of 6 months of extended wear.

Completed10 enrollment criteria

Clinical Performance Comparison of Several Different Contact Lenses

Myopia

The purpose of the study is to evaluate the possible benefits of second generation silicone hydrogel contact lenses.

Completed26 enrollment criteria
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