This is a one week 2x2 crossover study comparing delefilcon A with etafilcon A, with a primary hypothesis of comparing the handling of each lens. Additional secondary markers are measured looking at subjective comfort and vision of the lenses.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
183
Daily wear soft contact lens for bilateral distance vision correction use.
Daily wear soft contact lens for bilateral distance vision correction use.
Unnamed facility
Little Rock, Arkansas, United States
Unnamed facility
Bridgeport, Connecticut, United States
Unnamed facility
Tampa, Florida, United States
Unnamed facility
Blue Springs, Missouri, United States
Subject Reported Ease of Removal
Measured on a 5 point-scale of excellence (excellent, very good, good, fair and poor) per a participant. Outcome is reported as aggregate number of subjects who reported Excellent/Very Good at their 1-week visit.
Time frame: 6-10 Days
Subject Reported Overall Comfort
Measured on a 5 point-scale of excellence (excellent, very good, good, fair and poor) per a participant. Summary is reported as an aggregate of Excellent/Very Good at their 1-week visit.
Time frame: 6-10 Days
Subject Reported Overall Vision
Measured on a 5 point-scale of excellence (excellent, very good, good, fair and poor) per a participant using an aggregate summary of excellent/very good at their 1-week visit.
Time frame: 6-10 Days
Binocular Snellen Visual Acuity
Snellen visual acuity percentage of eyes with a visual acuity of eyesight testing at a 20/20 level or better by eye.
Time frame: 6-10 Days
Overall Corneal Staining
Proportion of subjects that have corneal staining on the 0-4 the NEI/Industry Workshop guidelines scale, measured by eye. Grade 1 or higher is reported as a percentage of total eyes.
Time frame: 6-10 Days
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Unnamed facility
Vestal, New York, United States
Unnamed facility
Raleigh, North Carolina, United States
Unnamed facility
Kittanning, Pennsylvania, United States
Unnamed facility
Warwick, Rhode Island, United States
Unnamed facility
Chamberlain, South Dakota, United States
Unnamed facility
Bartlett, Tennessee, United States