Table 2.
Change in Visual Acuity, Optical Coherence Tomography (OCT), Fluorescein Angiography (FA) and Stereoscopic Color Fundus Photograph Characteristics from Baseline to 12 Months After Focal/Grid Photocoagulation - median (25th, 75th percentiles) or N (%)
Eyes with Non-Center Involved CSME N = 22a |
|
---|---|
Visual acuity letter score | −1 (−5, +2) |
≥ 15 letters improvement | 0 |
10-14 letters improvement | 1 (5%) |
5 - 9 letters improvement | 3 (14%) |
within ± 4 letters | 11 (50%) |
5 - 9 letters worse | 4 (18%) |
10-14 letters worse | 1 (5%) |
≥ 15 letters worse | 2 (9%) |
OCT characteristics | |
Central subfield (microns) | −10 (−16, +13) |
Total macular volumeb (mm3) | −0.2 (−0.5, +0.1) |
Mean inner zone/center unweighted thicknessc (microns) |
−8 (−20, +13) |
Inner zone volumed (mm3) | −0.1 (−0.1, +0.1) |
Mean unweighted thickness within the gride (microns) |
−4 (−18, +8) |
Max inner subfield thicknessf (microns) |
−12 (−27, +11) |
Excluding the Central Subfield: | |
Mean inner zone subfields thicknessg (microns) |
−9 (−23, +15) |
Mean outer zone subfields thicknessh (microns) |
−4 (−15, +19) |
Fluorescein angiography characteristics - Disc Areas |
|
Fluorescein leakage within the gridi |
−0.70 (−2.06, +0.16) |
Cystoid abnormality within the gridj |
0 (0, 0) |
Capillary loss within the gridk |
0 (0, +0.01) |
Fundus photograph characteristics |
|
DME area within the grid - disc areas |
+0.21 (−0.47, +5.05) |
ETDRS severity scale | |
≥ 2 levels better | 0 |
Within 1 level | 15 (68%) |
≥ 2 levels worse | 7 (32%) |
Excludes 2 subjects who did not complete 12 month visit
Missing for 6 eyes
Mean thickness of central subfield and 4 inner subfields, Equal weight to all 5 zones. Missing for 2 eyes
Missing for 5 eyes
Mean thickness of central subfield, 4 inner subfields, and 4 outer subfields. Equal weight to all 9 zones. Missing for 2 eyes
Maximum of central subfields and 4 inner subfields
Mean thickness of 4 inner subfields (excluding the center), Missing for 2 eyes
Mean thickness of 4 outer subfields (excluding the inner and center), Missing for 2 eyes
Missing for 4 eyes
Missing for 4 eyes
Missing for 8 eyes