【正文】 1. DIFFERENTIAL DIAGNOSIS OF OCULAR SYMPTOMS ............ 40 BURNING ........................................................................................................... 40 CROSSED EYES IN CHILDREN ...................................................................... 40 DECREASED VISION ....................................................................................... 40 DISCHARGE ....................................................................................................... 41 DISTORTION (OF VISION) ........................................................................... 41 DOUBLE VISION .............................................................................................. 41 DRY EYES........................................................................................................... 41 EYELID CRUSTING .......................................................................................... 41 EYELID DROOP................................................................................................. 41 EYELID SWELLING ....................................................................................... 41 EYELID TWITCH FATIGUE .......................................................................... 42 FLASHES OF LIGHT ....................................................................................... 42 FLOATERS........................................................................................................ 42 FOREIGNBODY SENSATION .................................................................... 42 HALOS AROUND LIGHTS ............................................................................ 42 HEADACHE ...................................................................................................... 42 ITCHY EYE ...................................................................................................... 42 LIGHT SENSITIVITY ..................................................................................... 42 NIGHT BLINDNESS....................................................................................... 42 PAIN (OCULAR)............................................................................................ 43 PHOTOPHOBIA............................................................................................... 43 PROPTOSIS..................................................................................................... 43 PTOSIS............................................................................................................. 43 RED EYE .......................................................................................................... 43 I. Discharge present ......................................................................................... 43 II. No discharge present................................................................................. 43 SPOTS IN FRONT OF THE EYES ................................................................. 43 TEARING.......................................................................................................... 44 WATERY EYES ............................................................................................... 44 WHITE PUPIL ................................................................................................ 44 2. DIFFERENTIAL DIAGNOSIS OF OCULAR SIGNS ........................... 44 ANTERIOR CHAMBER/ANTERIOR CHAMBER ANGLE ............................. 44 Blood in Schlemm39。s Canal on Gonioscopy .................................................... 44 Hyphema................................................................................................................. 44 Hypopyon ............................................................................................................... 44 CORNEA/CONJUNCTIVAL FINDINGS ............................................................ 44 Band Keratopathy ................................................................................................ 44 Corneal Crystals................................................................................................... 44 Corneal Edema ..................................................................................................... 45 Corneal Filaments ............................................................................................... 45 Dilated Episcleral Vessels (in the Absence of Ocular Irritation or Pain)................................................................................................................................... 45 Enlarged Corneal Nerves................................................................................... 45 Membranous Conjunctivitis............................................................................... 45 Opacification of the Cornea in Infancy .......................................................... 45 Pannus (Superficial Vascular Invasion of the Cornea).............................. 45 Large Papillae on the Superior Tarsus .......................................................... 46 Pigmentation of the Conjunctiva ...................................................................... 46 Pseudomembranous Conjunctivitis ................................................................. 46 Symblepharon [Fusion of the Eyelid (Palpebral) Conjunctiva with the Conjunctiva Covering the Globe (Bulbar Conjunctiva)]........................... 46 Whorllike Opacity in the Corneal Epithelium ............................................. 46 EYELID ABNORMALITIES ................................................................................ 46 Eyelid Edema or Swelling .................................................................................. 46 Eyelid Lesion ...................................................