Distichiasis is defined as a second row of eyelashes arising from which location?

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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

Distichiasis is defined as a second row of eyelashes arising from which location?

Distichiasis refers to an extra row of eyelashes that emerges from the openings of the meibomian glands along the edge of the eyelid. This distinguishes it from lashes that are merely misdirected (trichiasis), which originate from the normal lash follicles, and from conditions like dermatochalasis (excess eyelid skin) or blepharitis (lid margin inflammation). The key point is the origin: second-row lashes arising specifically from the meibomian gland ducts at the lid margin.

Distichiasis is defined as a second row of eyelashes arising from which location?

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!

Distichiasis is defined as a second row of eyelashes arising from which location?

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