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Certified Ophthalmic Medical Technologist (COMT)

Category - COMT

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The tear film is composed of how many layers?

Explanation

Answer: C - The tear film is composed of 3 layers.

The tear film comprises 3 layers: the outer lipid layer, the aqueous layer, and the mucous layer. The tear film layer forms a smooth, refractive surface on the corneal epithelium.

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