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What is Earliest ocular finding in acoustic neuroma:(PGI 2000; MP 2000; KERALA 2004; DELHI 2006) and explain in detail?
(d) Loss of corneal sensation(Ref. Scott Brown, 8th ed., Vol 2 page 1371)Involvement of 3rd cranial nerve causing diplopia and ptosis is not described in Acoustic neuroma.Motor involvement of facial and thereby inability to close eye occurs uncommonly and that too very late in Acoustic neuroma.Papilloedema because of increased intracranial pressure occurs in the terminal stage of Acoustic neuroma.