Which of the following is not true regarding herpes zoster ophthalmicus:
High-Yield Explanation
Pseudodendritic and not dendritic ulcers are seen. Herpes zoster ophthalmicus Acute infection of Gasserian ganglion of 5th cranial nerve by VZV MC nerve involved Frontal nerve, most specific nerve involved: Nasociliary Can involve all pas of eye though they are strictly limited to one side of head Pseudodendritic ulcer: HZV & Acanthamoeba. Pseudodendrites don't have terminal bulbs as seen in dendritic ulcer and more peripheral. Ocular Features Follicular conjunctivitis & hemorrhagic conjunctivitis Punctate epithelial keratitis Nummular keratitis: Tiny granular deposits surrounded by stromal haze Disciform keratitis Dendritic ulcers are caused by Herpes Simplex Virus not HZV