3 REASONS TO SWITCH TO DAILIES TOTAL1TM CONTACT LENSES
Comfort in contact is as important as vision correction for wearers and the top reason to stop wearing their lenses.
WATER GRADIENTMATERIAL WITH ~100% AT THE SURFACE3,4
Nearly half of contact lens patients experience some discomfort.2 DAILIES TOTAL1TM has almost 100% water at the outermost surface of the lens, meaning that with DAILIES TOTAL1TM, all that touches the eye is a gentle cushion of moisture3,4 - providing exceptional comfort.1
HIGHEST OXYGEN TRASMISSIBILITY OF ANY BRANDED DAILY SOFT CONTACT LENSES
Dk/t is a measure of the amount of oxygen that is able to pass through a contact lens to reach the eye.6 The higher the Dk/t** of a contact lens, the closer the lens comes to fulfilling the oxygen needs of the cornea.7
ALMOST NO SILICONE AT THE SURFACE OF THE LENS
Silicone is hydrophobic by nature (water repelling). A wettable contact lens is important for successful lens wear.8 DAILIES TOTAL1TM has almost no silicone at the surface of the lens (0.6%).8§§ The water gradient of DAILIES TOTAL1TM provides the lowest silicone surface content of any silicone hydrogel lens material.8+
*Applies to Dailies Total1® spherical** Dk/t at centre of -3.00D lens and Dk are based on manufacturer-published values.
+ List of Biofinity®, Ultra A®, Dailies Total1®, 1 Day ACUVUE® TrueEye®, MyDayTM, ClaritiTM 1 day (ClarityTM Monthly).
§ Surface elemental analyis of XPS integrated over a sampling of depth of ~10nm at 55 degrees.
1. Perez-Gomez I, Giles T. European survey of contact lens wearers and eye care professionals on satisfaction with a new water gradient daily disposable contact lens. Clinical Optometry. 2014;6:17-23.
2. Nichols J J, Wilcox MOP, Bron AJ et al. TFOS International Workshop on Contact Lens Discomfort: Executive Summary. Invest Opthalmol Vis Sci. 2013;54:TFOS7-TFOS13.
3. Thekveli S, Qui Y, Kapoor Y, et al. Structure-property relationship of delefilcon A lenses. Cont Lens Anterior Eye. 2012;35(Supp1):e14.
4. Angelini T, Nixon R, Dunn A, et al. Viscoelasticity and mesh-size at the surface of hydrogels characterized with microheology. Invest Opthalmol V is Sci. 20103;54:E-Abstract 500.
5. John Pruitt, PhD and Erich Bauman, OF, FA AO. The Development of Dailies Total1® Water Gradient Contact Lenses.
6. PRUITT - The Development of Dailies Total1® Water Gradient Contact Lenses (v1).
7. Alvord L, Hall J, Keyes D, el al. Corneal oxygen distribution with contact lens wear. Cornea. 2007;26(6):654-64.
8. Rex J, Zhao X, Lemp J, Perry SS. Concentrations of silicone at the surface of silicone hydrogel contact lenses. Poster presented at the American Academy of Optometry 2014 Annual Meeting; November 12-15, 2014, Denver.
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