This document discusses the tear film in the human eye, specifically examining how it is affected during contact lens wear. It covers the structure and function of the normal tear film, methods for examining the tear film when contact lenses are worn, changes to tear production and the tear film's pH and temperature that occur with contact lens use. The document notes that further details are provided on these topics related to analyzing and understanding the tear film during contact lens wear.

2. CONTENTS
• General introduction
• Structure & function of tear film in human
eye
• Examination of tear film in contact lens wear
• Tear production during contact lens wear
• Tear film ph during contact lens wear
• Tear film temperature during contact lens
wear.

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