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Active clinical trials for "Myopia"

Results 541-550 of 694

Clinical Evaluation of Daily Disposable Contact Lenses

Myopia

The objective of the study is to compare the overall subjective preference of filcon II 3 daily disposable silicone hyrogel contact lenses compared to etafilcon A and nelfilcon A daily disposable conventional hydrogel contact lenses.

Completed27 enrollment criteria

Clinical Performance of Hydrogel vs. Silicone Hydrogel Contact Lenses

Myopia

The aim of this non-dispensing fitting study is to evaluate the subjective comfort, lens handling, lens fitting characteristics and visual acuity of different hydrogel lens designs versus silicone hydrogel lenses

Completed34 enrollment criteria

Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery

Myopia

The purpose of this study is to measure tear lacritin and heparanase levels before and following surgery using a minimal risk procedure to collect tears from patients undergoing PRK or LASIK.

Completed19 enrollment criteria

Guangzhou Outdoor Activity Longitudinal Study

Myopia

The purpose of this study is to assess whether outdoor activities are effective in preventing the development and progression of juvenile-onset myopia in Chinese children.

Unknown status2 enrollment criteria

Evaluation of Daily Disposable Lenses With Multi-Purpose Solution (MPS)

Myopia

The purpose of this study is to evaluate daily disposable lenses inserted out of the blister package versus daily disposable lenses inserted after a pre-soak in Multi-purpose solution FID 107027.

Completed10 enrollment criteria

The Effect of Myopic Optical Defocus on the Humphrey Matrix 30-2 Test

Myopia

The purpose of this study is to examine the effect of the myopic optical defocus on the Humphrey Matrix 30-2 test.

Completed10 enrollment criteria

Evaluation of Deposits on Contact Lenses Worn Extended Wear

Myopia

The purpose of this study was to measure lipid deposits on commercially marketed contact lenses when worn on an extended wear (overnight) basis for 7 days.

Completed10 enrollment criteria

Evaluation of Two Different Designs of Bausch & Lomb Contact Lenses

Myopia

The objective of this one month study is to evaluate the product performance of a redesigned PureVision Contact Lens compared to the PureVision Contact Lens when worn on a daily wear basis by wearers of contact lenses.

Completed11 enrollment criteria

A Study to Evaluate the Product Performance of a Daily Disposable Contact Lens

MyopiaContact Lenses

The objective of the study is to evaluate the product performance of visual acuity of the Bausch + Lomb investigational daily disposable contact lenses compared to the currently marketed Johnson & Johnson Acuvue Moist contact lenses.

Completed22 enrollment criteria

Effect of VR and Accommdation Relax on Controlling Myopia in Children

MyopiaAccommodation Spasm1 more

This study evaluates the effect of virtual reality and accommodation relax technique on controlling onset and development of myopia in school-aged children. Half of the children will receive head-mounted video display which shows video with virtual reality and accommodation relax technique in combination, while the other half will receive no intervention.

Unknown status7 enrollment criteria
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