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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.