The early focus of contact lens wear and ocular health was on oxygen delivery. However, as
we learn more about how the eye works, and investigate how the contact lens interacts with
the cornea, the role of the tear film has risen in prominence. A healthy tear film is critical for
normal ocular homeostasis, and abnormalities of the tear film are the primary cause of dry
eye. In order to improve patient eye health and comfort during lens wear, we need to further
elucidate the relationship among contact lenses, contact lens solutions, the tear film, and the …