1. RED EYE (NON-VISION-THREATENING DISORDERS)  Keratitis: dendritic

2. RED EYE HSV-1 H. zoster (NON-VISION-THREATENING DISORDERS  Keratitis  viral

3. H. zoster Early Late

4. The cornea Ultraviolet keratitis

5. RED EYE (NON-VISION-THREATENING DISORDERS)  Keratitis  ultraviolet

6. RED EYE (NON-VISION-THREATENING DISORDERS)  Pterygium/pingueculum ActiveDormant

7. Squamous cell carcinoma in pterygium

8. Pingueculum (inflammed)

9. RED EYE (VISION-THREATENING DISORDERS)  Iritis/uveitis  Corneal ulcers  Angle-closure glaucoma  Preseptal/orbital cellulitis  Endophthalmitis  Trauma

10. RED EYE (VISION-THREATENING DISORDERS)  Iritis/uveitis  Ciliary flush  Photophobia  AC reaction

11. RED EYE (VISION-THREATENING DISORDERS)  Corneal ulcers High risk group: CW contact lens wearers

12. KERATITIS Corneal infiltrate

13. Marginal ulcer with infiltrate

14. External examination Hypopyon

15. Narrow angle glaucoma  Onset 50+ y.o.  Severe eye pain  Blurred vision  Red eye  Headache/nausea  Corneal edema  Mid-dilated, fixed pupil  “Glaukomflecken”  Iris atrophy  Severe anterior chamber inflammation

16. Angle closure attack

17. Angle closure attack!  Severe pain  Blurred vision  Mid-dilated, fixed pupil  Hazy cornea

18. RED EYE (VISION-THREATENING DISORDERS)  Acute glaucoma  Phacolytic Hypermature lens with AC reaction and blocked outflow

19. RED EYE (VISION-THREATENING DISORDERS)  Preseptal/orbital cellulitis

20. Orbital Cellulitis  Severe pain  Proptosis  Limited EOMs  Conjunctival congestion  Diabetic?

21. Frontal, ethmoid, maxillary and orbital abscesses

22. RED EYE (VISION-THREATENING DISORDERS)  Endophthalmitis  Severe pain  Photophobia  Poor vision  Recent intra- ocular surgery