A)2600-2800 cells B)150-2400 cells C)1500-2000 cells D)6000-8000 cells E)300-000 cells 30.Comeal ulcer: A.Comeal ulcer due to Moraxella Liquefaciens usually give nise to serve hypopyon B.Greenish exudate or hypopyon is a pathogno-monic feature of Pseudomonas i C.Pneumococal comeal ulcerusually spread from central to periphery D.Hypopyon is sterile in fungal comeal ulcer with intact Descement membrane 二、Explanation question(5'×4) 1.Cataract 2.Tear film 3.glaucoma 4.Vergences 66 A）2600-2800 cells B) 150-2400 cells C) 1500-2000 cells D) 6000-8000 cells E) 3000-4000 cells 30. Corneal ulcer: A. Corneal ulcer due to Moraxella Liquefaciens usually give rise to serve hypopyon B. Greenish exudate or hypopyon is a pathogno-monic feature of Pseudomonas infection C. Pneumococal corneal ulcer usually spread from central to periphery D. Hypopyon is sterile in fungal corneal ulcer with intact Descement membrane 二、Explanation question (5’×4) 1. Cataract 2. Tear film 3. glaucoma 4. Vergences