The purpose of this study is to evaluate DAILIES TOTAL1® Multifocal (DTl MF) contact lenses in current multifocal contact lens wearers with symptoms of end of day discomfort compared to their habitual multifocal contact lens correction.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
170
Multifocal contact lenses worn in a daily wear, daily disposable modality (new pair of lenses each morning)
Multifocal contact lenses worn per subject's habitual prescription and habitual daily wear modality
Binocular High Contrast/High Illumination (HC/HI) Visual Acuity (VA) at Intermediate Distance (80 cm)
Visual Acuity (clarity or sharpness of vision) was measured at high contrast level. HC/HI VA was assessed binocularly (both eyes together) at 80 centimeters using an Early Treatment Diabetic Retinopathy Study (ETDRS) chart and measured in logarithm of the minimum angle of resolution (logMAR). A lower logMAR value indicates better visual acuity.
Time frame: Day 14, each product
Contact Lens Dry Eye Questionnaire-8 (CLDEQ-8) Score
The abbreviated CLDEQ-8 is an 8-item questionnaire used to assess comfort and dryness. Total CLDEQ-8 score ranged from 0 to 37, where a lower score represented less symptomology.
Time frame: Day 14, each product
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