Clinical Evaluation of Biofinity Multifocal Compared With Air Optix Aqua Multifocal and With PureVision Multifocal

The percentage of participants who obtained binocular distance and near visual acuities (VA) at least as good as their initial refraction assessment. Measured by Initial Refraction. Distance binocular VA (at 5 meters) using the Snellen chart decimal scale and near binocular VA (at 40 cm) using the Parinaud chart (smallest to largest letters, Score P1.5, P2, P4, P5).

Change over time measured at V1 (initial refraction) and at V3 (lens pair one evaluation) and V5 (lens pair two evaluation):

V1 = initial refraction at baseline, V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Description: The participant's near binocular visual acuity (at 40 cm) using the Parinaud chart (smallest to largest letters, Score P1.5, P2, P4, P5) and reported per lens.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Description: The participant's distance binocular visual acuity (at 5 meters) using the La Galinet method. (Decimal scale, Excellent=between 5 and 20 tenths at 5 metres and between 1 and 20 tenths at 40 cm)

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for quality of near vision by patient diary and reported per lens. (40cm away: reading a newspaper, looking at your watch etc. 0-100, 0=totally blurred, 100=perfectly clear).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for quality of intermediate vision by patient diary and reported per lens. (distance equivalent to an arm's length. 0-100, 0=totally blurred, 100=perfectly clear).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for quality of distance vision by patient diary and reported per lens. (driving, looking at a landscape, etc. 0-100, 0=totally blurred, 100=perfectly clear).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The number of letters read at a near of 40 centimeters under 10% low contrast. Measured by objective assessment and reported per lens. Rated on a visual chart (La Galinet- number of letters read).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The number of letters read at a near of 40 centimeters under 90% high contrast. Measured by objective assessment and reported per lens. Rated on a visual chart (La Galinet- number of letters read).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The number of letters read at a distance of 5 meters under 10% low contrast. Measured by objective assessment and reported per lens. Rated on a visual chart (La Galinet- number of letters read).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The number of letters read at a distance of 5 meters under 90% high contrast. Measured by objective assessment and reported per lens. Rated on a visual chart (La Galinet- number of letters read).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The mean number of occurrences where the "number of the last figure where the patient equipped with analyzers can make out the raised circle (from number 1 to 9)," performed at a distance of 40 centimeters, using Wirt Vectographic Stereopsis Test. Reported per lens.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for lens comfort by patient diary and reported per lens. (After lens fitting, Scale 0-100, 0=very uncomfortable, 100=very comfortable).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for lens comfort by patient diary and reported per lens. (During the Day, Scale 0-100, 0=very uncomfortable, 100=very comfortable).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for lens comfort by patient diary and reported per lens. (At End of Day, Scale 0-100, 0=very uncomfortable, 100=very comfortable).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

Patients' subjective rating for lens comfort by patient diary and reported per lens. (General Comfort, Scale 0-100, 0=very uncomfortable, 100=very comfortable).

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The average numbers of hours per day of lens wear by patient. Reported per lens. Calculated by number of hours worn.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two Patients' subjective rating for lens comfort of use by patient diary and reported per lens. (Average Wearing Time in hours per day)

Description: The ophthalmologist's rating of lens centration during "Focus" and "Shift When Blinking" by questionnaire as a limited selected response (Optimal, Decentration Acceptable or Decentration Unacceptable). Assessed with the slit lamp and reported per lens.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The ophthalmologist's rating of lens movement during blinking by questionnaire as a limited selected response (Optimal, Acceptable with a tendency to be tight, Acceptable with a tendency to be Flat, Unacceptable and too tight, or Unacceptable too flat). Assessed with the slit-lamp and reported per lens.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The ophthalmologist's rating of lens wettability by questionnaire as a limited selected response (Zero, Low, Acceptable, Good or Excellent). Assessed with the slit lamp and reported per lens.

Measured at V3 (lens pair one evaluation) or V5 (lens pair two evaluation):

V3 = after 17-24 days of lens wear pair one, V5 = after 17-24 days of lens wear pair two

The number of participants who preferred a lens pair rated by diary questionnaire with a limited selected response.("Which pair of lenses did you prefer? The first pair, the second pair). Reported per lens.

Measured at completion of V5 (lens pair two evaluation). Both lenses have been worn. Total time since base line is 34-48 days.

Ophthalmologists preference in terms of lenses rated by questionnaire with a limited selected response. ("Choice of Lens? First pair of lenses, Second pair of lenses") (Biofinity, Air Optix, or Purevision)

Measured at completion of V5 (lens pair two evaluation). Both lenses have been worn. Total time since base line is 34-48 days.