Table 1

Patient characteristics of eyes triggering ‘threshold alarms’ (n=98)

Patients’ age65.111.1
Female gender (%)56.2
VA (ETDRS letters) baseline75.89.7
Central macular thickness (CMT) (µm) baseline264.985.3
Mean changes in VA (ETDRS letters) from baseline−4.29.3
Mean changes in CMT (µm) from baseline29.5134.7
Ethnicityn (eyes)
 English/Welsh/Scottish/Northern Irish/British27
 Mixed/multiple ethnic groups2
 Any other white background6
 Any other Asian background1
 Any other Black/African/Caribbean background2
 Not stated20
Diagnosesn (eyes)
 Diabetic maculopathy5
 Diabetic retinopathy no maculopathy7
 Sickle cell retinopathy1
 Myopic CNV3
Frequency of alarmsn (eyes)
  • AMD, age-related macular degeneration; CMT, central macular thickness; CNV, choroidal neovascularisation; DMO, diabetic macular oedema; ETDRS, Early Treatment of Diabetic Retinopathy Study; RVO, retinal vein occlusion; VA, visual acuity.