This is a single-masked, 2×3 crossover, randomized-controlled, dispensing clinical trial to evaluate overall quality of vision.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
143
CONTROL
Vue Optical Boutique
Jacksonville, Florida, United States
Stam & Associates Eye Care
Jacksonville, Florida, United States
Sabal Eye Care
Longwood, Florida, United States
Clarity of Vision in Dim or Low Lighting
Clarity of vision in dim or low lighting was assessed at the 1-week follow-up during each study period using the individual item: Clarity of vision in dim or low lighting conditions. This item used a 5-point like-rt scale of (1=Excellent, 2=Very good, 3=Good, 4=Fair and 5=Poor). Results were presented as the percentage of subjects' responses in each category by lens. For analysis and summary purposes three categories were used (T2B-Excellent and Very Good, Middle Box-Good and B2B-Fair and Poor). The 1-week follow-up from each study period (1, 2 and 3) were all included in the summary.
Time frame: 1-Week Follow-up
Clarity of Vision When Reading in Dim Light
Clarity of vision when reading in dim light was assessed at the 1-week follow-up during each study period using the individual item: Clarity of vision when reading in dim light(e.g., menu or bill in a restaurant). This item used a 5-point like-rt scale of (1=Excellent, 2=Very good, 3=Good, 4=Fair and 5=Poor). Results were presented as the percentage of subjects' responses in each category by lens. For analysis and summary purposes three categories were used (T2B-Excellent and Very Good, Middle Box-Good and B2B-Fair and Poor). The 1-week follow-up from each study period (1, 2 and 3) were all included in the summary.
Time frame: 1-Week Follow-up
Clarity of Distance Vision
Clarity of Distance vision was assessed at the 1-week follow-up during each study period using the individual item: Clarity of distance vision (i.e., looking at things that are more than 5 feet away, such as street signs). This item used a 5-point like-rt scale of (1=Excellent, 2=Very good, 3=Good, 4=Fair and 5=Poor). Results were presented as the percentage of subjects' responses in each category by lens. For analysis and summary purposes three categories were used (T2B- Excellent and Very Good, Middle Box-Good and B2B- Fair and Poor). The 1-week follow-up from each study period (1, 2 and 3) were all included in the summary.
Time frame: 1-Week Follow-up
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Maitland Vision Center
Maitland, Florida, United States
VisualEyes
Roswell, Georgia, United States
Complete Eye Care of Medina
Medina, Minnesota, United States
Spectrum Eyecare
Jamestown, New York, United States
Eye Associates of New York
Manhattan, New York, United States
Sacco Eye Group
Vestal, New York, United States
ProCare Vision Centers
Granville, Ohio, United States
...and 2 more locations
Clarity of Intermediate Vision
Clarity of Intermediate vision was assessed at the 1-week follow-up during each study period using the individual item: Clarity of intermediate vision (i.e., looking at things 2-3 feet away, such as your computer screen). This item used a 5-point like-rt scale of (1=Excellent, 2=Very good, 3=Good, 4=Fair and 5=Poor). Results were presented as the percentage of subjects' responses in each category by lens. For analysis and summary purposes three categories were used (T2B-Excellent and Very Good, Middle Box-Good and B2B-Fair and Poor). The 1-week follow-up from each study period (1, 2 and 3) were all included in the summary.
Time frame: 1-Week Follow-up
Clarity of Near Vision
Clarity of Near vision was assessed at the 1-week follow-up during each study period using the individual item: Clarity of intermediate vision (i.e., looking at things close up, such as reading a book). This item used a 5-point like-rt scale of (1=Excellent, 2=Very good, 3=Good, 4=Fair and 5=Poor). Results were presented as the percentage of subjects' responses in each category by lens. For analysis and summary purposes three categories were used (T2B-Excellent and Very Good, Middle Box-Good and B2B-Fair and Poor). The 1-week follow-up from each study period (1, 2 and 3) were all included in the summary.
Time frame: 1-Week Follow-up