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Diabetic retinopathy (Ancillary (OCT, visual fields, visual acuity,…
Diabetic retinopathy
Ancillary
OCT
visual fields
visual acuity
BSL/HbA1c
fluorescein angiography
microvascular complication of DM --> retinopathy
proliferative
neovascularisation
advanced disease
non-proliferative
presence of at least one microaneurysm
early stage of disease
macular oedema
aetiology
diabetes mellitus
type 2
type 1
risk factors
hyperlipidaemia in setting of DM
HTN in setting of nephropathy
incidence
10-15y of DM 25-50% have it; which increased to 75-95% after 15y
very common
prognosis
favourable factors
circinate exudates of recent onset
well-defined leakage
good perifoveal perfusion
poor factors
diffuse oedema/multiple leaks
lipid deposition in fovea
macular ischaemia
HTN
clinical
signs
microaneurysms
dot/blot haemorrhages
flame haemorrhage
retinal oedema and hard exudates
cotton wool spots
macular oedema
symptoms
early
asymptomatic
late
floaters
blurred vision
distortion
progressive visual acuity loss
treatment
medical
laser photocoagulation
avastin
diabetes control
surgical
vitrectomy
complications
disease
blindness
treatment
pathophysiology
?
growth hormone
hypoxia
neovascularisation
macular oedema
diagnosis
fundus examination w slit lamp