The results suggest that the changes in contrast sensitivity with artificial tear administration were the result of optical aberrations. It appears that long-term use of artificial tears may normalize the tear layer of dry eye disease patients.
No correlation was found between RTBS and RT for saline-F or CMC-F (moderate correlation for PEG-F). These ATs are present on the eye for a significantly longer time than their adverse affect on vision. An ideal AT would result in minimal if any initial blur on instillation while remaining in the eye for an extended period of time.
Use of an objective quantitative physiological method suggests that significant differences in lens solution bioincompatibilities occur that mirror corneal staining data relative to corneal compromise.
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