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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Optom Vis Sci. 2011 Dec;88(12):1402–1408. doi: 10.1097/OPX.0b013e3182333cf9

Table 5. Non-compliant behavior.

Non-compliant Behavior DFW
n (%)
Lens usage
 Sleeping in lenses
  Naps, once or less per week, once or more per week 158 (56)
 Lens replacement frequency
  Few extra days, a week or more longer than recommended 146 (52)
Solutions
 Using fresh solution
  Never or occasionally re-use 79 (28)
 Topping-off
  Occasionally or every night 118(42)
Water exposure
 Swim/water sports
  Occasionally or always 181 (64)
 Tap water
  All water exposure 161 (57)
  Lenses only 25 (9)
  Case only 146 (52)
Lens storage case
 Replacement frequency
  Never or only if Dr. gives new case at yearly visit 131 (47)
Hygiene
 Hand washing before handling lenses
  Never, occasionally or at least with water 139 (49)