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Table 2 ETDRS acuity and threshold character sizes for single letters, isolated words and paragraphed text

From: A technique to train new oculomotor behavior in patients with central macular scotomas during reading related tasks using scanning laser ophthalmoscopy: immediate functional benefits and gains retention

  ETDRS acuity (logMAR) Threshold character size for words (logMAR) Threshold character size for paragraphed text (logMAR)
Patients Before training Immediately after training 3 months later Before training   Immediately after SLO training   3 months later Before training Immediately after training 3 months later
     1 3 and 4 6 and 7 9 and 10   1 3 and 4 6 and 7 9 and 10   1 3 and 4 6 and 7 9 and 10    
MT 1.1 0.96 0.9 1.0 1.1 1.4 1.4   0.9 1.3 1.2 1.3   0.9 1.2 1.4 1.5 1.4 1.3 1.5
SL 1.46 1.1 1.14 1.0 1.2 1.4 1.4   0.9 1.1 1.2 1.2   0.9 1.2 1.2 1.2 1.4 1.2 1.4
LG 1.24 1.2 1.12 1.1 1.2 1.5 1.4   0.8 1.0 1.2 1.0   0.8 0.8 1.1 1.2 1.4 1.2 1.2
AA 1.02 0.84 0.86 1.0 1.1 1.1 1.1   0.8 1.0 1.1 1.0   0.8 1.0 1.0 1.1 1.2 1.1 1.2
GM 1.36 1.2 1.1 1.15 1.5 > 1.5 > 1.5   0.8 1.1 1.2 1.1   0.9 1.2 1.2 1.3 1.5 1.4 1.5
  1. 1: 1 letter; 3 and 4: words of 3 and 4 letters; 6 and 7: words of 6 and 7 letters; 9 and 10: words of 9 and 10 letters. The mean value obtained for each patient and for each stimulus type is reported.