The purpose of this trial is to compare the performance of two multifocal contact lenses.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
40
Silicone hydrogel, soft, multifocal contact lens for daily wear use
Silicone hydrogel, soft, multifocal contact lens for daily wear use
Corrected Distance Binocular Visual Measurement in Normal Illumination Reported as Binocular Distance Visual Acuity
Tested while reading charts distant to the subject with both eyes together in normal lighting. This outcome is measured in logMAR units (logarithm of the minimum angle of resolution). A logMAR acuity of 0.0 equates to 20/20 Snellen acuity and is considered normal. Positive logMAR values indicate poorer vision and negative values denote better visual acuity.
Time frame: After 1 week of wear
Corrected Near Binocular Visual Measurement in Normal Illumination Reported as Binocular Near Visual Acuity
Tested while reading charts at 40 cm with both eyes together in normal lighting. This outcome is measured in logMAR units (logarithm of the minimum angle of resolution). A logMAR acuity of 0.0 equates to 20/20 Snellen acuity and is considered normal. Positive logMAR values indicate poorer vision and negative values denote better visual acuity.
Time frame: After 1 week of wear
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