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The purpose of this study is to compare lens characteristics and comfort between an experimental contact lens and a marketed contact lens.
Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
galyfilcon A test, galyfilcon A
Active, not recruiting
Published on BioPortfolio: 2010-07-15T17:00:00-0400
The purpose of this study is to compare visual acuity and redness of eyes between a new contact lens and an already marketed contact lens.
The purpose of this study is to compare the clinical performance of three silicone hydrogel contact lenses over a 2 week period.
This study will assess the ophthalmic compatibility of three different silicone hydrogel lenses worn on an overnight basis for six nights by adapted daily soft contact lens wearers.
Study of low dose atropine in preventing the onset and progression of myopia in high risk children with pre-myopia or low-myopia.
We have identified focussing problems related to myopia getting worse. Our trial uses optical and orthoptic interventions that correct the focussing problems to see if this retards myopia ...
To test the hypothesis that genes known to cause clinical syndromes featuring myopia also harbor polymorphisms contributing to nonsyndromic refractive errors.
To assess prevalence and associated factors of myopia and high myopia in schoolchildren in Greater Beijing.
To evaluate the incidence and progression of myopia and factors associated with progression of myopia in school going children in Delhi.
The increased prevalence of myopia in the United States and other regions of the world, and the sight-threatening problems associated with higher levels of myopia have led to great interest in researc...
Posterior scleral remodeling accompanies myopia. In guinea pigs developing myopia, the region around the optic nerve (peripapillary zone, PPZ) rapidly expands followed by inhibition in eye size in the...
Excessive axial myopia associated with complications (especially posterior staphyloma and CHOROIDAL NEOVASCULARIZATION) that can lead to BLINDNESS.
A projective test used to evaluate a broad range of personality variables including pathology of thought and perception. The subject's responses to inkblot prints are scored along with subjective interpretation by the test administrator.
A test to determine the lowest sound intensity level at which fifty percent or more of the spondaic test words (words of two syllables having equal stress) are repeated correctly.
Tests of accuracy in pronouncing speech sounds, e.g., Iowa Pressure Articulation Test, Deep Test of Articulation, Templin-Darley Tests of Articulation, Goldman-Fristoe Test of Articulation, Screening Speech Articulation Test, Arizona Articulation Proficiency Scale.
Method of measuring the bactericidal activity contained in a patient's serum as a result of antimicrobial therapy. It is used to monitor the therapy in BACTERIAL ENDOCARDITIS; OSTEOMYELITIS and other serious bacterial infections. As commonly performed, the test is a variation of the broth dilution test. This test needs to be distinguished from testing of the naturally occurring BLOOD BACTERICIDAL ACTIVITY.