ASSESSMENT OF THE RED EYE FOR PRIMARY CARE PHYSICIANS Ahmed Bawazeer, MD, FRCSC Department of ophthalmology King Abdulaziz University CAUSES OF RED EYE • TRAUMATIC RED EYE • NONE TRAUMATIC RED EYE CAUSES OF RED EYE • TRAUMATIC – – – – – – – CORNEAL ABRASION CORNEAL FOREIGN BODY F.B. UNDER EYELID HYPHEMA U.V. KERATITIS CHEMICAL INJURY CORNEAL LACERATION AND I.O.F.B. CAUSES OF RED EYE • NONE TRAUMATIC – – – – – – – CONJUNCTIVITIS SUBCONJUNCTIVAL HEMORRHAGE IRITIS ORBITAL OR PERIORBITAL CELLULITIS HSV KERATITIS ACUTE GLAUCOMA SCLERITIS AND EPISCLERITIS CLINICAL EVALUATION • • • • • • OPHTHALMIC HISTORY ASSESS VISUAL ACUITY INSPECT THE CONJUNCTIVA ASSESS THE TYPE OF DISCHARGE DETECT CORNEAL OPACITIES SEARCH FOR EPITHELIAL DISRUPTION CLINICAL EVALUATION • STUDY THE ANTERIOR CHAMBER • OBSERVE THE PUPIL • ASK ABOUT OTHER SYMPTOMS STEP 1: ASSESS VISUAL ACUITY • NORMAL V.A – CONJUNCTIVITIS – S/C HEMORRHAGE – PRESEPTAL CELLULITIS • DECREASED V.A. – ALL TRAUMATIC CAUSES – KERATITIS – IRITIS – ACUTE GLAUCOMA – ORBITAL CELLULITIS STEP 2: INSPECTION OF THE CONJUNCTIVA • LOCALIZED CONGESTION – S/C HEMORRHAGE – SCLERITIS/EPISCLERITIS • PERILIMBAL INJECTION – IRITIS – ACUTE GLAUCOMA • DIFFUSE CONGESTION INSPECTION OF THE CONJUNCTIVA • SUBCONJUNCTIVAL HEMORRHAGE – WELL DEMARCATED, COMPLETELY RED AND OBSCURES UNDERLYING BLOOD VESSELS – VALSALVA MANOEUVRE – H.T, D.M, GLAUCOMA AND BLEEDING DISORDERS – RESOLVE IN 3-4 WEEKS INSPECTION OF THE CONJUNCTIVA • EPISCLERITIS – IDIOPATHIC – PAINLESS LOCALIZED OR DIFFUSE REDNESS – RESOLVE SPONTANEOUSLY IN 2-3 WEEKS • SCLERITIS – R/O AUTOIMMUNE DISEASES – PAINFUL LOCALIZED OR DIFFUSE REDNESS – REFER TO OPHTHALMOLOGIST INSPECTION OF THE CONJUNCTIVA • IRITIS – – – – – – PAINFUL RED EYE WITH DECRESED V.A PHOTOPHOBIA CILIARY FLUSH IRREGULAR PUPIL AND HAZY RED REFLEX IMMEDIATE REFERRAL STEROIDS (ONLY BY OPHTHALMOLOGIST) STEP 3: ASSESS THE TYPE OF DISCHARGE • NONE – S/C HEMORRHAGE • CLEAR – – – – – ALL TRAUMATIC CAUSES ALLERGY KERATITIS IRITIS GALUCOMA ASSESS THE TYPE OF DISCHARGE • PURULENT – BACTERIAL INFECTION • BACTERIAL CONJUNCTIVITS • ORBITAL AND PERIORBITAL CELLULITIS ASSESS THE TYPE OF DISCHARGE • BACTERIAL CONJUNCTIVITIS – – – – – – – ACUTE OR CHRONIC STAPH, STREPT, H.INFLUENZAE DIFFUSE CONJUNCTIVAL INJECTION PURULENT DISCHARGE TOBRA, GENTA, SULPHA OR OFLOX REFER IF NO IMPROVEMENT IN 5-7 DAYS IMMEDIATE REFERRAL IF HYPERACUTE STEP 4: DETECT CORNEAL OPACITIES • NONE – CONJUNCTIVITS • DIFFUSE HAZE – ACUTE GLAUCOMA – U.V. KERATITIS • LOCALIZED OPACITY – HERPETIC KERATITIS – CORNEAL ULCER DETECT CORNEAL OPACITIES • ACUTE ANGLE CLOSURE GLAUCOMA – ACUTE PAINFUL INCREASE IN I.O.P – REDNESS, HEADACHE, PHOTOPHOBIA, NAUSEA, VOMITING, AND HALOS – HAZY CORNEA AND MID DILATED PUPIL – PILOCARPINE, TIMOLOL, CAI, AND OTHERS – IMMEDIATE REFERRAL DETECT CORNEAL OPACITIES • ULTRAVIOLET KERATITIS – USUALLY BILATERAL – WELDER’S ARC, TANNING SALONS, SNOW – SEVERE PAIN WITH PHOTOPHOBIA AND DECREASE IN V.A. 6-12 HOURS AFTER EXPOSURE TO U.V – MULTIPLE PUNCTATE CORNEAL EROSIONS – EYE PATCH, ANTIBIOTIC, CYCLOPLEGIA DETECT CORNEAL OPACITIES • CORNEAL ULCERS – OCULAR EMERGENCY – HISTORY OF CONTACT LENS WEAR – WHITE LOCALIZED CORNEAL OPACITY WITH OVERLYING EPITHELIAL DEFECT – HYPOPYON – AGGRESSIVE ANTIBIOTIC TREATMENT – IMMEDIATE REFERRAL STEP 5: SEARCH FOR EPITHELIAL DISRUPTION • EPITHELIAL DISRUPTION – – – – – HERPETIC KERATITIS CORNEAL ABRASION CONTACT LENS OVERWEAR U.V. KERATITIS CHEMICAL INJURY SEARCH FOR EPITHELIAL DISRUPTION • HERPETIC KERATITS – UNILATERAL CORNEAL EPITHELIAL DENDRITES – HSV TYPE 1 – PAINFUL RED EYE – STAINS WITH FLUORESCEIN – TOPICAL ANTIVIRAL MEDICATION – REFER TO OPHTHALMOLOGIST SEARCH FOR EPITHELIAL DISRUPTION • CORNEAL ABRASION – PAINFUL RED EYE WITH PHOTOPHOBIA AND INCREASED LACRIMATION – EPITHELIAL DEFECT STAINS WITH FLUORESCEIN STRIP – EYE PATCH, ANTIBIOTC, AND CYCLOPLEGIA – FOLLW THE PATIENT DAILY STEP 6: STUDY THE ANTERIOR CHAMBER • ABSENT – LACERATED GLOBE • SHLLOW – ACUTE GLAUCOMA • BLOOD (HYPHEMA) – RUPTURED GLOBE • PUS (HYPOPYON) – CORNEAL ULCER STEP 6: STUDY THE ANTERIOR CHAMBER • HYPHEMA – SPONTANEOUS OR TRAUMATIC – BLEEDING FROM ANTERIOR FACE OF THE CILIARY BODY – REBLEED IN 4 - 40% WITHIN TWO TO FIVE DAYS – BED REST – IMMEDIATE REFERRAL STEP 7: OBSERVE THE PUPILS • DILATED – – – – – TRAUMA THIRD NERVE PALSY ADIE’S PUPIL ACUTE GLAUCOMA DRUGS • CONSTRICTED – IRITIS – HORNER’S – DRUGS STEP 8: ASK ABOUT OTHER SYMPTOMS • PAIN AND PHOTOPHOBIA – – – – ALL TRAUMATIC CAUSES KERATITIS IRITIS GLAUCOMA • COLOURED HALOES – ACUTE GLAUCOMA STEP 8: ASK ABOUT OTHER SYMPTOMS • ITCH AND CHEMOSIS – ALLERGIC CONJUNCTIVITS – BLEPHARITIS • PREAURICULAR NODES – VIRAL CONJUNCTIVITS OTHER COMMON EYE PROBLEMS • • • • BLEPHARITIS CHALAZION AND STYE ALLERGIC CONJUNCTIVITIS VIRAL CONJUNCTIVIS OTHER COMMON EYE PROBLEMS • BLEPHARITIS / MEIBOMIANITIS – INFLAMMATION OF LID MARGIN AND MEIBOMIAN GLANDS (STAPH. AUREUS) – BILATERAL ITCHY EYE WITH BURNING SENSATION – STICKY EYELID AND PROMINENT MEIBOMIAN ORIFICES – DRY EYE WITH CRUSTING – LID CARE, TEAR DROPS, ANTIBOTIC OINT. OTHER COMMON EYE PROBLEMS • CHALAZION AND STYE – CHRONIC GRANULOMATOUS PAINLESS INFLAMMATION OF MEIBOMIAN GLAND – STYE IS ACUTE AND PAINFUL – SECONDARY TO BLEPHARITIS – WARM COMPRESSES – IF NO RESPONSE I&D – SYSTEMIC ANTIBIOTIC IN SEVERE CASES OTHER COMMON EYE PROBLEMS • ALLERGIC CONJUNCTIVITS – – – – – ALWAYS BILATERAL SEVERE ITCHING WATERY AND MUCOID DISCHARGE REDNESS AND CHEMOSIS TOPICAL ANTIHISTAMINE AND MAST CELL STABILIZING AGENT – STEROIDS AND NONSTEROIDAL AGENTS OTHER COMMON EYE PROBLEMS • VIRAL CONJUNCTIVITIS (E.K.C) – – – – – HIGHLY CONTAGIOUS ADENOVIRUS 3, 4, 7, 8, 19, 29, 37 RED EYE WITH WATERY DISCHARGE TENDER PREAURICULAR NODE FOLLICULAR CONJUNCTIVITIS WITH CORNEAL INVOLVEMENT – NO TREATMENT AVAILABLE THANK YOU