A Contralateral Dispensing Clinical Trial of Study Test Sapphire Lens Against Enfilcon A Silicone Hydrogel Lens

Completed · Not applicable

Conditions studied: Myopia

In brief

This was be a randomized, contralateral, double-masked, dispensing study comparing the Study test lens against the control lens over one month of lens wear. The study results were not used for design validation of test lens.

Key facts

Study ID

NCT02518490

Run by

CooperVision, Inc.

People needed

18

Starts

2015-08-01

Expected to finish

2015-10-01

Last updated by the study team

2020-09-22

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Subjects will only be eligible for the study if:
• Is at least 18 years of age for the USA and has full legal capacity to volunteer;
• Has read and signed an information consent letter;
• Is willing and able to follow instructions and maintain the appointment schedule;
• Is an adapted soft contact lens wearer;
• Requires spectacle lens powers between -0.50 to -6.50 diopters sphere;
• Has no more than 0.75 diopters of refractive astigmatism;
• Willing to wear contact lens in both eyes;
• Has manifest refraction visual acuities (VA) equal to or better than logMAR equivalent of 20/25 in each eye;
• To be eligible for lens dispensing, the subject must have VA of logMAR equivalent of 20/30 or better in each eye with the study lenses and the investigator must judge the fit as acceptable.

You may not qualify if…

• Subjects will not be eligible to take part in the study if:
• Is participating in any concurrent clinical or research study;
• Has any known active* ocular disease and/or infection;
• Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
• Is using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
• Has known sensitivity to the diagnostic pharmaceuticals to be used in the study;
• Is pregnant, lactating or planning a pregnancy at the time of enrolment (by verbal confirmation at the screening visit);
• Is aphakic;
• Has undergone refractive error surgery; * For the purposes of this study, active ocular disease is defined as infection or inflammation which requires therapeutic treatment. Mild (i.e. not considered clinically relevant) lid abnormalities (blepharitis, meibomian gland dysfunction, papillae), corneal and conjunctival staining and dry eye are not considered active ocular disease. Neovascularization and corneal scars are the result of previous hypoxia, infection or inflammation and are therefore not active.

Where it is running

• Clinical Research Center, University of California, Berkeley — Berkeley, California, United States

Full record on ClinicalTrials.gov

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