Tear Film Altered by Long-Term Use of Siicone Hydrogel CLs

"Silicone hydrogel contact lenses tend to modify the tear film and impression cytology of the ocular surface significantly after long-term use, a study found. 'Silicone hydrogel lenses, despite their high oxygen permeability and low water content, produce significant changes on tear film and impression cytology on long-term use,' the study authors said." That's the post from the OSN Super Site. Read more.