Schirmer 2 testing is used to measure which type of tearing?

Study for the NBEO Ocular Disease Part 1 Test. Use flashcards and multiple choice questions, each with hints and explanations, to prepare for your exam! Get ready for your success!

Multiple Choice

Schirmer 2 testing is used to measure which type of tearing?

Schirmer II focuses on basal tear production by using topical anesthesia to suppress reflex tearing from the ocular surface. With the ocular surface sensation damped, the amount of tear fluid measured reflects the resting secretion of the lacrimal glands, i.e., basal tears. Emotional tearing and reflex tearing due to irritation are not what this measurement isolates; emotional tears come from the limbic system, and reflex tearing is driven by immediate ocular irritation. When you want to assess the lacrimal gland’s baseline secretory function, Schirmer II is the appropriate approach.

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