Homer’s syndrome is associated with:March 2010, March 2013
**Core Concept**
Homer's syndrome is a rare condition characterized by a triad of miosis, ptosis, and anhidrosis due to disruption of the sympathetic nerves supplying the eye.
**Why the Correct Answer is Right**
Homer's syndrome occurs due to disruption of the sympathetic nerves, which are responsible for dilating the pupil (mydriasis), elevating the eyelid (ptosis), and promoting sweating (anhidrosis) in the face. The condition is often caused by lesions or trauma to the sympathetic nerves, which can result from various conditions such as carotid artery dissection or aortic arch syndrome.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not relevant to Homer's syndrome, which is a specific condition related to sympathetic nerve disruption.
**Option B:** Horner's syndrome is a distinct condition from Homer's syndrome, with Horner's being characterized by miosis, ptosis, and anhidrosis due to disruption of the sympathetic nerves.
**Option C:** This is not a known association with Homer's syndrome.
**Option D:** This is not a known association with Homer's syndrome.
**Clinical Pearl / High-Yield Fact**
Homer's syndrome is often confused with Horner's syndrome, but the key difference lies in the underlying cause, with Homer's being an extremely rare condition.
**Correct Answer:** None provided