clinical types of diabetic retinopathy:
formally classified as:background retinopathy
NPDR is further classified to:
mild->microaneutysm,dot and blot hge in all 4 quadrants
moderate->4 blots in one qudrant &/or cotton wool spots.
severe->severe hge in 4 quadrants,
or venous besding in 2 quadrant,
or IRMA in one quadrant.
very severe->any 2 of severe.
in addition to NPDR there is neovasculaization.
this can be in the disc (PDR with NVD) or elsewhere (PDR with NVE)
retinopathy in and around the macula
usually in form of exudate or oedema
significant visual impairment.
advance diabetic eye disease:
include retinal detachment and vitreous haemmorrhage.
NPDR mild ->annual screening
NPDR moderate ->non urgent ophthalmoloyg referal.
NPDR severe ->non urgent ophthalmoloyg referal.
NPDR very severe ->urgent ophthalmoloyg referal.
PDR ->urgent ophthalmoloyg referal.
muculopathy ->urgent ophthalmoloyg referal.
remember:tell the examiner that you would like to:
ask the patient about sight disturbance
evidance of other micro or macrovasculr complications of DM