Tears have a vital function to protect and lubricate the ocular surface. Tear production,
distribution and clearance is tightly regulated by the lacrimal functional unit (LFU) to meet …

The ocular surface, tear film, lacrimal glands, and eyelids act as a functional unit to preserve
the quality of the refractive surface of the eye and to resist injury and protect the eye against …

The tear film is a unique thin fluid layer of approximately 3μm thick and 3μl in volume that
covers the outer mucosal surfaces of the eye. As such it is the interface of the ocular surface …

The tear film, which is the interface between the external environment and the ocular surface
has several differing functions. 1 It forms a smooth refracting surface over the otherwise …

The ocular mucosa contains various proteins exerting numerous functions including
amongst others: anti-microbial defense, lubrication, wound healing and regulation of the …

The ocular surface including the cornea and conjunctiva and its overlying tear film are the
first tissues of the eye to interact with the external environment. The tear film is complex …

The surface of the eye is covered by a tear film that has been estimated to be 40 μm thick.
1.2 The film is extraordinarily regular over the cornea where it is the primary refractive …

The members of the Tear Film Subcommittee reviewed the role of the tear film in dry eye
disease (DED). The Subcommittee reviewed biophysical and biochemical aspects of tears …

Although the tear film has been extensively studied as it exists in the open eye state, until
recently very little was known as to what happens to the tear film on eye closure. Recent …

The human tear film is a 3‐layered coating of the surface of the eye and a loss, or reduction,
in any layer of this film may result in a syndrome of blurry vision and burning pain of the eyes …