film tear

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Definition of film tear in English English dictionary

Related Terms

tear film
the thin layer of tear fluid coating the front surface of the cornea; composed of three layers: lipid layer (most anterior), lacrimal layer (middle), and mucoid layer (most posterior)
tear film
A very thin film of water and other chemicals riding on top of the epithelium that lubricates the front of the eye
tear film
A layer of fluid that bathes and lubricates the cornea