Modern/Old Classifications Stages


Background Diabetic Retinopathy
Preprolifaertive diabetic retinopathy
Proliferative diabetic Retinopathy
Mild Non Proliferative
Moderate Non Proliferative
Severe Non Proliferative
Very severe Non-Proliferative
HIGH RISK RETINOPATHY
Proliferative diabetic Retinopathy

 
Diabetic Maculopathy
Macular Oedema Not Clinically Significant
Clinically Significant Macular Oedema

Early Experience PRP



 
 
 
 
 
 
 
 
Old
Recent
Background Diabetic Retinopathy
  1. Microaneurysms
  2. Hard exudates
  3. Intraretinal hemorrhages "dot/blot/flame" < 4 quadrants
  4. Foveal avascular zone abnormalities
  5. Macular oedema
 Mild Non-Proliferative Retinopathy
  1. Microaneurysms
  2. Hard exudates
  3. Intraretinal hemorrhages "dot/blot/flame" < 4 quadrants
  4. Foveal avascular zone abnormalities
  5. Macular oedema

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Preprolifaertive diabetic retinopathy
  1. Cotton-Wool spots
  2. Intra-retinal Hemorrhages
  3. Venous beading
  4. Intra-ratinal-microvascular abnormalities
 Moderate Non Proliferative
  1. Cotton Wool Exudate
  2. Intra-retinal haemorrhages in  4 quadrants
  3. Venous Beading - Omega shape< 4 quadrants
  4. Intra-Retinal Microvascular Abnormalities<4Q 

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Severe Non Proliferative
"Any Oneof the Following"
"Four/Two/Four Role"
  1.   Intra-Retinal haemorrhages in 4 quadrants
  2.   Venous beading in 2 quadrants
  3.   IRMA in 4 quadrants

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Very severe Non-Proliferative
" Any Two of the following"
" Four/Two/One Role"
  1.  Intra-Retinal Haemorrhages  in 4 quadrants
  2.  Venous Beading  in 2 quadrants
  3.   IRMA  in 1 quadrants

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HIGH RISK RETINOPATHY

NVD 1/4 to 1/3 disc diameter
NVD associated with Vitreous or Pre-retinal haemorrhages
NVE > or = 1/2 disc area + associated with Vitreous or Pre retinal haemorrhages
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Proliferative diabetic Retinopathy Proliferative diabetic Retinopathy
  1. Neovascularization of the Disc "NVD"
  2. NeoVascularization else where "NVE"
  3. Pre-Retinal haemorrhages
  4. Vitreous Haemorrhage
  5. Tractional Retinal Detachment
  6. NeoVascularization of the iris or angle or both
  1. FibroVascular Epiretinal Membranes
  2. Tractional Retinal Detachment
  3. NeoVascularization of the iris or angle or both

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CLINICALLY SIGNIFICANT MACULAR OEDEMA "CSME"
CLINICAL DIAGNOSIS
Fluorescein angiography is only of treatment strategy significance
Retinal thickening at or within 500 Um of the center of the macula
Hard exudates at or within 500 Um of the center of the macula + thickening of adjacent retina
Zone or Zones of Retinal Thickening 1 disc area in size  at least part of which within 1 disc diameter of the center of the macula
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