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DIABETIC RETINOPATHY 2017
1.
2. TYPES
Type1 Insulin-dependent diabetes
(IDDM):
- most frequently b/w 10-20 years.
Type 2 Non-insulin-dependent diabetes
(NIDDM):
- most frequently b/w the ages of 50-70.
13. I. MILD NONPROLIFERATIVE RETINOPATHY
• At least one micro aneurysm or intraretinal
hemorrhage
• Hard/ Soft exudates may or may not be present
14.
15. II. MODERATE NONPROLIFERATIVE RETINOPATHY
• Micro aneurysms / intraretinal haemorrhages in 2 or
3 quadrants
• Early mild IRMA Intra retinal Microvascular
abnormalities
• Hard / Soft exudates may or may not be present
16.
17.
18. III. SEVERE NONPROLIFERATIVE RETINOPATHY
• Four quadrants of severe micro aneurysms / intra
retinal blot hemorrhages
• Two quadrants of venous beading
• One quadrant of IRMA changes
4:2:1 Rule
19.
20.
21. PROLIFERATIVE DIABETIC RETINOPATHY
PDR
PDR without HRC PDR with HRC
NVD ¼ to 1/3 of disc area
with or without VH or PRH
NVD < ¼ disc
area with VH or
PRH
NVD < ¼ disc
area with VH or
PRH
28. DIABETIC MACULOPATHY
On Slit lamp examination with 90D lens :
1. Thickening of retina at or within 500 micron of the centre of fovea
2. Hard exudates at or within 500 micron of the centre of fovea
associated with adjacent retinal thickening
3. Development of a zone of retinal thickening one disc diameter or
larger in size, at least a part of which is within one disc diameter of
foveal centre.