Ophthalmology Diseases of orbit, Lids and lacrimal apparatus 92f25f57 Congenital dacrocystitis, the block is at- A Lacrimal calnaliculi B Nasolacrimal duct C Punctum D None High-Yield Explanation Also known as dacryocystitis neonaturum. Due to congenital blockage in the nasolacrimal duct. Ref: ak khurana 6th edition REF IMG