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Table 1 Visual Acuity (VA) and Geographic Atrophy (GA) initial lesion size and growth rate. ETDRS = Early Treatment Diabetic Retinopathy Study

From: Geographic Atrophy after Reabsorption of Pigment Epithelial Detachment (GARPED) study

Eye

Initial Lesion Area (mm2)

Lesion Growth Rate (mm2/year)

Lesion Growth Rate (mm/year)

VA Prior to Reabsorption (ETDRS Letters)

VA Post Reabsorption (ETDRS Letters)

Last VA collected (ETDRS Letters)

Follow up Time (Months)

PED Type

1

0.880

1.512

0.436

70

50

50

8

Serous

2

0.710

0.909

0.360

70

65

65

21

Serous

3

0.920

0.616

0.232

20

20

26

32

Drusenoid

4

0.420

1.389

0.613

61

50

20

12

Drusenoid

5

0.410

0.440

0.230

20

5

5

32

Drusenoid

6

0.290

0.179

0.120

70

65

65

12

Drusenoid

7

1.860

0.760

0.250

70

20

5

15

Serous

8

0.350

0.292

0.164

61

35

35

40

Drusenoid

9

0.800

0.192

0.093

76

20

35

42

Serous

10

0.210

0.217

0.134

55

35

5

59

Drusenoid

11

1.420

0.915

0.325

61

55

50

16

Drusenoid

12

1.450

0.951

0.307

35

20

23

5

Serous

13

1.990

0.315

0.102

55

20

65

16

Drusenoid

14

0.290

0.045

0.038

85

8

60

17

Drusenoid

15

0.300

0.111

0.086

35

20

20

20

Drusenoid

16

1.160

0.217

0.092

65

61

80

12

Drusenoid

17

0.560

2.094

0.758

50

35

23

7

Drusenoid

18

2.280

1.925

0.479

5

5

5

13

Drusenoid

19

0.820

1.611

0.632

55

40

35

14

Drusenoid

20

0.880

0.387

0.158

50

55

55

44

Drusenoid

21

2.920

1.332

0.318

40

35

50

29

Drusenoid

22

0.790

0.056

0.096

50

40

30

7

Serous

Average

0.987

0.748

0.274

52.5

35.2

36.7

21.5