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Active clinical trials for "Refractive Errors"

Results 271-280 of 326

Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers

MyopiaAstigmatism1 more

The purpose of this study was to assess the comfort of OPTI-FREE RepleniSH in soft contact lens wearers.

Completed14 enrollment criteria

Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact...

MyopiaAstigmatism2 more

The purpose of this study is demonstrate substantial equivalence of an investigational contact lens disinfecting solution to a commercially available contact lens solution in gas permeable lens wearers.

Completed15 enrollment criteria

Evaluation of Disinfecting Solutions and Protein Remover With a Silicone Hydrogel Lens

Ametropia

The purpose of this study is to determine if reduced lens deposits and increased comfort can be achieved by using Multipurpose disinfecting solutions (MPDS) in a no-rub format but in conjunction with an intensive cleaner, rather than using MPDS in a rub format.

Completed21 enrollment criteria

Ocular Responses to Short and Long-term Lens Wear

Ametropia

The purpose of this study was to determine whether ocular surface sensitivity to pneumatic, mechanical and chemical stimulation would be affected by the use of the combination of a specific silicone hydrogel lens material with two lens care products over a four week period.

Completed10 enrollment criteria

Performance of Aspheric Hydrogel Lenses After a Refit With Sphere Silicone Hydrogel Lenses for 4...

Ametropia

The aim of this prospective study is to evaluate the clinical performance of habitual wearers of methafilcon A aspheric lenses after a refit with fanfilcon A sphere lenses for 4 weeks of daily wear.

Completed27 enrollment criteria

Clinical Performance Evaluation of Two Daily Disposable Silicone Hydrogel Toric Contact Lenses

Refractive Errors

The purpose of this study is to evaluate the rotational behavior of DT1 Toric contact lenses.

Completed9 enrollment criteria

Premium Monovision Versus Other Types of Monovision and Bilateral Trifocal Implantation.

PresbyopiaRefractive Errors1 more

Primary objective of this study was to compare the efficacy of premium monovision with Restor and Panoptix, against other prevalent monovision techniques and against bilateral Panoptix implantation in a sample of patients following lens-extraction surgery.

Completed13 enrollment criteria

The Effect of the Free-toroidal Design Lenses on the Subjective Visual Quality in the Myopic Population...

MyopiaRefractive Errors

A prospective, self-control, double-blind design was conducted in Tianjin. Two hundred participants were assigned to wear two kinds of spectacle glasses. To examine the effect of free-toroidal design and aspherical lens on the subjective visual quality among the myopic population.

Completed5 enrollment criteria

Comparison of Lotrafilcon B Lenses With Different Packaging Solutions

Refractive Error

The purpose of this study is to evaluate AIR OPTIX® plus HYDRAGLYDE® (AOHG) contact lenses compared to AIR OPTIX® AQUA (AOA) contact lenses in overall lens fit.

Completed14 enrollment criteria

Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens...

MyopiaAstigmatism2 more

The purpose of this study is demonstrate substantial equivalence of an investigational contact lens disinfecting solution to a commercially available contact lens solution in silicone hydrogel and soft contact lens wearers.

Completed15 enrollment criteria
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