Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Subjective Overall Comfort Rating |
Subjective overall comfort rating was assessed on a 0-10 subjective scale, 0=extremely uncomfortable, 10=can't feel lenses |
Two weeks |
|
Primary |
Subjective Overall Comfort Rating |
Subjective overall comfort rating was assessed on a 0-10 subjective scale, 0=extremely uncomfortable, 10=can't feel lenses |
Four weeks |
|
Secondary |
Average Wearing Time |
Average wearing time - measured by time of day using 24-hour clock, to the nearest 10 minutes |
Two weeks |
|
Secondary |
Average Wearing Time |
Average wearing time - measured by time of day using 24-hour clock, to the nearest 10 minutes |
Four weeks |
|
Secondary |
Average Comfortable Wearing Time |
Average comfortable wearing time was assessed by time of day when first aware of lenses using 24-hour clock, to the nearest 10 minutes. |
Two weeks |
|
Secondary |
Average Comfortable Wearing Time |
Average comfortable wearing time was assessed by time of day when first aware of lenses using 24-hour clock, to the nearest 10 minutes. |
Four weeks |
|
Secondary |
Lens Centration |
Lens centration will be recorded in the scale of 0 to 2 (0=centered - optimal, 1 = decentered slightly, 2 = substantially decentered (>0.5mm)). |
Baseline (after 15 minutes) |
|
Secondary |
Lens Centration |
Lens centration will be recorded in the scale of 0 to 2 (0=centered - optimal, 1 = decentered slightly, 2 = substantially decentered (>0.5mm)). |
Two weeks |
|
Secondary |
Lens Centration |
Lens centration will be recorded in the scale of 0 to 2 (0=centered - optimal, 1 = decentered slightly, 2 = substantially decentered (>0.5mm)). |
Four weeks |
|
Secondary |
Corneal Coverage |
Corneal coverage (yes=full corneal coverage all times / no=incomplete corneal coverage) |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Corneal Coverage |
Corneal coverage (yes=full corneal coverage all times / no=incomplete corneal coverage) |
Two weeks |
|
Secondary |
Corneal Coverage |
Corneal coverage (yes=full corneal coverage all times / no=incomplete corneal coverage) |
Four weeks |
|
Secondary |
Post-Blink Movement |
Post-blink movement measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Post-Blink Movement |
Post-blink movement measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Two weeks |
|
Secondary |
Post-Blink Movement |
Post-blink movement measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Four weeks |
|
Secondary |
Lens Tightness - Push-up Test |
Lens tightness - push-up test 0-100% continuous scale (100%=movement, 50%=optimum, 0%=Falls from cornea without lid support) |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Lens Tightness - Push-up Test |
Lens tightness - push-up test 0-100% continuous scale (100%=movement, 50%=optimum, 0%=Falls from cornea without lid support) |
Two weeks |
|
Secondary |
Lens Tightness - Push-up Test |
Lens tightness - push-up test 0-100% continuous scale (100%=movement, 50%=optimum, 0%=Falls from cornea without lid support) |
Four weeks |
|
Secondary |
Overall Lens Fit Acceptance |
Overall lens fit acceptance - Graded on a scale of 0-4 (0=should not be worn, 1=borderline but not acceptable, 2=minimal acceptable, 3=not perfect but OK to dispense, 4=perfect) |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Overall Lens Fit Acceptance |
Overall lens fit acceptance - Graded on a scale of 0-4 (0=should not be worn, 1=borderline but not acceptable, 2=minimal acceptable, 3=not perfect but OK to dispense, 4=perfect) |
Two weeks |
|
Secondary |
Overall Lens Fit Acceptance |
Overall lens fit acceptance - Graded on a scale of 0-4 (0=should not be worn, 1=borderline but not acceptable, 2=minimal acceptable, 3=not perfect but OK to dispense, 4=perfect) |
Four weeks |
|
Secondary |
Rating of Lens Surface Wettability |
Lens surface wettability rated on the appearance on the lens surface (0-4 scale, 0=Very poor: immediately displaying non-wetting areas on lens surface, 4=Excellent: appearance of a healthy cornea with very long drying time). |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Rating of Lens Surface Wettability |
Lens surface wettability rated on the appearance on the lens surface (0-4 scale, 0=Very poor: immediately displaying non-wetting areas on lens surface, 4=Excellent: appearance of a healthy cornea with very long drying time). |
Two weeks |
|
Secondary |
Rating of Lens Surface Wettability |
Lens surface wettability rated on the appearance on the lens surface (0-4 scale, 0=Very poor: immediately displaying non-wetting areas on lens surface, 4=Excellent: appearance of a healthy cornea with very long drying time). |
Four weeks |
|
Secondary |
Presence of Film Deposits |
Presence of film deposits on front surface of the lens graded 0-4 (0=No film, 1=Slight film visible only under magnification, 2=Moderate film only under magnification, 3=Moderate film visible to the naked eye, 4=heavy film visible to the naked eye). |
Two weeks |
|
Secondary |
Presence of Film Deposits |
Presence of film deposits on front surface of the lens graded 0-4 (0=No film, 1=Slight film visible only under magnification, 2=Moderate film only under magnification, 3=Moderate film visible to the naked eye, 4=heavy film visible to the naked eye). |
Four weeks |
|
Secondary |
Number of White Spot Deposits |
Number of white spot deposits assessed using slit lamp with white light, low medium magnification |
Two weeks |
|
Secondary |
Number of White Spot Deposits |
Number of white spot deposits assessed using slit lamp with white light, low medium magnification |
Four weeks |
|
Secondary |
Primary Gaze Lag |
Primary gaze lag measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Baseline (after 15 minutes of lens dispense) |
|
Secondary |
Primary Gaze Lag |
Primary gaze lag measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Two weeks |
|
Secondary |
Primary Gaze Lag |
Primary gaze lag measured by scale 0-4 (0=insufficient, 1=minimal, unacceptable movement, 2=optimal movement, 3=moderate, but acceptable movement, 4=excessive, unacceptable movement) |
Four weeks |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 3 - 8:00am |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 3 - 12:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 3 - 4:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 3 - 8:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 7 - 8:00am |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 7 - 12:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 7 - 4:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 7 - 8:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 12 - 8:00am |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 12 - 12:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 12 - 4:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 12 - 8:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 26 - 8:00am |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 26 - 12:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 26 - 4:00pm |
|
Secondary |
Comfort Throughout the Day |
Comfort throughout the day was assessed on a scale of 0-10 (0=extremely uncomfortable, 10=cannot feel the lenses) using text message responses |
Day 26 - 8:00pm |
|