After analyzing the changes from visit to visit with the Bonferroni test, it was seen that COMPLETE RevitaLens and OPTI-FREE PureMoist increased statistically significantly from baseline to day 30 after 2 hours of lens wear, while Synergi solution increased statistically significantly from baseline to day 30 after 8 hours of CL wear.
The blue discoloration could not be removed after 24 hours of lens immersion in a balanced salt solution at 37°C.
In exposures of 15 minutes to 24 hours the lens concentrates the heat of the sun into a small, inflammatory dot.
For eight hours, the lens focused light from the sun, chemically fixing the areas where the light struck the plate to capture the view of a pigeon house, a pear tree, a barn roof, and an extended wing of his house.
After 24 hours, each lens was examined for morphological changes and the lens capsule containing the epithelial cells and superficial cortical fibers was removed and immediately frozen for subsequent analysis.
With Synergi and OPTI-FREE PureMoist, a statistically significant increase was seen from 2 to 8 hours of lens wear at 1-month visit (P < 0.05, Bonferroni test).
After storage in room temperature for up to 24 hours, the lens capsule epithelium specimens were transferred to 24-well culture dishes (TPP, Switzerland) containing freshly prepared cell culture medium supplemented with 5% FCS.
Moreover, a recent study has reported that 36% of subjects showed some degree of SICS in a 1-month study involving the random fitting of Air Optix or Proclear with a hydrogen peroxide system when they were changed to use a PHMB based MPDS and evaluated 2 hours after lens insertion [ 32].
Bulbar redness showed statistically significant changes with the three MPDSs (P < 0.05, Kruskal-Wallis), being the increase statistically significant from baseline to 1-month visit after 2 hours of lens wear for COMPLETE RevitaLens and OPTI-FREE PureMoist (P < 0.05, Bonferroni test), remaining stable for the rest of the day with COMPLETE RevitaLens (P > 0.05, Bonferroni test).
In the baseline visit, a new pair of CLs and a new MPDS were dispensed and then, the subjects were scheduled for follow-up visits after 1 month of CL wear, being evaluated at 2 and 8 hours after lens insertion.
