Study Summary
This is a 2-phase, single-site, non-dispensing, randomized, controlled, double-masked, 2x2 crossover study to objectively measure potential benefits of a new UV/HEV filter using psychophysical testing techniques.
Treatment Effectiveness
Effectiveness Progress
Study Objectives
1 Primary · 2 Secondary · Reporting Duration: up to 2-week follow-up
Trial Safety
Safety Progress
Trial Design
6 Treatment Groups
Multifocal CONTROL/TEST
1 of 6
Sphere CONTROL/TEST
1 of 6
Toric CONTROL/TEST
1 of 6
Sphere TEST/CONTROL
1 of 6
Multifocal TEST/CONTROL
1 of 6
Toric TEST/CONTROL
1 of 6
Experimental Treatment
167 Total Participants · 6 Treatment Groups
Primary Treatment: Multifocal CONTROL/TEST · No Placebo Group · N/A
Trial Logistics
Trial Timeline
Who is running the clinical trial?
Eligibility Criteria
Age 18 - 70 · All Participants · 8 Total Inclusion Criteria
Mark “Yes” if the following statements are true for you:Frequently Asked Questions
Is it possible to participate in this medical trial?
"This trial requests 167 patients with visual acuity of 20/25 or better, aged 18 to 70 years. Necessary criteria include: wearing soft contact lenses for at least 6 hours per day, 5 days a week in the past 30 days; refraction within -1.00 and -6.00 diopters sphere (for spherical lenses); refraction within -1.50 and -4.00 diopters sphere/-0.625 and 1-625 cylinder (for toric lenses), axis 80°/90°/100° 170°/180°/10°; comprehension and signed consent form agreement; ability" - Anonymous Online Contributor
Is it still possible to obtain a place in this medical experiment?
"Indications from clinicaltrials.gov suggest that the recruitment phase for this medical trial has closed; it was first posted on November 4th 2022 and last updated two weeks ago. Fortunately, there are 5 other studies actively admitting patients at present." - Anonymous Online Contributor
Are any adults over the age of forty being enlisted in this investigation?
"This clinical trial requires that potential participants are at least 18 years of age and no older than 70, as outlined in the eligibility requirements." - Anonymous Online Contributor