2. Time Domain OCT Spectral Domain OCT

4. IS/OS
OS/MV
RPE

5. Spectral Domain OCT (Enhanced Depth Imaging tech)

6. RPE Changes in SD-OCT
Thickness
 Variation Contour Vs. Shadowing artifacts.
Irregularities
Fragmentation
 Detachment of Bruch’s membrane.
 Abnormal structures anterior or posterior to the RPE.

7. 1. RPE band thickening
 Localized thickening Occult CNVM

8. 1. RPE band thickening
 Localized thickening Proliferation at edges of atrophy

9. 2. RPE band thinning
 Localized or diffuse thinning Atrophy

10. 2. RPE band thinning
 Localized or diffuse thinning Atrophy

11. 2. RPE band thinning
 Localized or diffuse thinning Atrophy

12. 3. RPE discontinuity
 RPE tear and retraction CNVM

13. 3. RPE discontinuity
 Shadowing or masking Hge, intraretinal deposits,
Blood vessels

14. 3. RPE discontinuity
 Shadowing or masking Hge, intraretinal deposits,
Blood vessels

15. 3. RPE discontinuity
 Shadowing or masking Hge, intraretinal deposits,
Blood vessels

16. 3. RPE discontinuity
 Shadowing or masking Hge, intraretinal deposits,
Blood vessels

17. 4. RPE elevation
 Drusen

18. 4. RPE elevation
 Drusen- large or confluent
“Drusenoid RPE detachment”

19. 4. RPE elevation
 Drusen- large or confluent
“Drusenoid RPE detachment”

20. 4. RPE elevation
 Drusen Reticular Drusen or pseudodrusen
“Subretinal drusenoid deposits”

21. 4. RPE elevation
 Drusen Reticular Drusen or pseudodrusen
“Subretinal drusenoid deposits”

22. 4. RPE elevation
 RPE Detachment • Serous
• Fibrovascular
• Hgic

23. 4. RPE elevation
 RPE Detachment Serous
•
Occult CNVM

24. 4. RPE elevation
 RPE Detachment Serous
•
Occult CNVM

25. 4. RPE elevation
 RPE Detachment • Serous CSCR

26. 4. RPE elevation
 RPE Detachment • Serous CSCR

27. 4. RPE elevation
 RPE Detachment • Hgic, Vascular and Fibrovascular

28. 4. RPE elevation
 RPE Detachment • Hgic, Vascular and Fibrovascular

29. 4. RPE elevation
 RPE Detachment • Hgic, Vascular and Fibrovascular

30. 5. Abnormal deposits
Vitelliform material
 Best disease

31. 5. Abnormal deposits
Vitelliform material
 Adult type

32. 5. Abnormal deposits
 Inflammatory deposits APMPPE

33. 5. Abnormal deposits
 Inflammatory deposits APMPPE

34. “It is through living that we discover
ourselves, at the same time as we discover
the world around us.” ….. Henri Cartier-
Bresson