Table 2. Macular thickness measurements and the relative changes compared to baseline values in the operated and fellow eyes.
| 1 day | 1 week | 2 weeks | 1 month | 2 months | 3 months | 6 months | |
|---|---|---|---|---|---|---|---|
| CPT | |||||||
| Operated eyes | |||||||
| RT±SD | 224.5±21.1 | 225.6±21.6 | 228.2±22.3 | 232.0±21.1 | 233.1±22.3 | 231.0±21.0 | 227.9±20.7 |
| RT change±SD | −2.4±4.4 (P=0.01)a | −2.3±4.5 (P=0.008)a | 0.7±5.1 (P=0.6)a | 4.1±5.2 (P=0.02)a | 4.9±5.2 (P=0.01)a | 3.0±5.4 (P=0.07)a | −0.1±7.3 (P=0.7)a |
| Fellow eyes | |||||||
| RT±SD | 229.1±20.3 | 229.6±20.2 | 230.6±21.1 | 230.8±20.8 | 231.4±21.3 | 228.9±21.8 | 227.5±20.9 |
| RT change±SD | 0.3±4.7 | 0.1±3.3 | 1.3±4.8 | 1.3±4.7 | 1.9±4.8 | 0.9±4.8 | −0.6±5.8 |
| 1-mm CSF | |||||||
| Operated eyes | |||||||
| RT ±SD | 272.2±20.0 | 274.4±20.7 | 277.2±20.8 | 282.0±21.3 | 283.2±21.6 | 281.6±21.2 | 278.1±20.8 |
| RT change±SD | −2.3±4.4 (P=0.0001)a | −1.4±4.5 (P=0.001)a | 2.1±5.4 (P=0.4)a | 6.2±5.1 (P<0.0001)a | 7.0±4.6 (P<0.0001)a | 5.8±4.4 (P<0.0001)a | 2.3±4.2 (P=0.06)a |
| Fellow eyes | |||||||
| RT±SD | 280.4±20.6 | 281.9±19.6 | 280.8±19.9 | 282.0±19.4 | 282.7±20.6 | 281.0±20.7 | 279.7±20.5 |
| RT change±SD | 1.4±2.9 | 1.5±2.8 | 1.1±3.4 | 1.6±3.0 | 1.8±3.8 | 1.5±3.9 | 0.4±4.7 |
| 3-mm area | |||||||
| Operated eyes | |||||||
| RT±SD | 331.9±18.1 | 336.3±18.0 | 338.7±17.7 | 342.4±19.8 | 342.2±18.6 | 341.6±17.7 | 338.9±18.4 |
| RT change±SD | −1.3±4.0 (P=0.02)a | 2.5±4.1 (P=0.008)a | 5.7±4.2 (P<0.0001)a | 8.7±5.5 (P<0.0001)a | 8.5±4.5 (P<0.0001)a | 7.9±3.8 (P<0.0001)a | 5.1±4.0 (P<0.0001)a |
| Fellow eyes | |||||||
| RT±SD | 335.6±20.3 | 335.7±19.1 | 334.3±18.5 | 335.4±18.9 | 335.5±18.9 | 335.3±18.1 | 335.7±19.4 |
| RT change±SD | 0.7±3.0 | 0.4±2.8 | −0.3±2.5 | 0.1±2.6 | −0.3±3.0 | −0.1±3.2 | −0.6±5.0 |
| 6-mm area | |||||||
| Operated eyes | |||||||
| RT±SD | 291.8±17.7 | 294.8±17.9 | 296.8±17.3 | 300.6±18.7 | 300.2±17.5 | 299.0±16.9 | 296.8±17.1 |
| RT change±SD | −1.3±3.0 (P=0.02)a | 2.8±3.5 (P<0.0001)a | 5.2±3.8 (P<0.0001)a | 8.6±4.6 (P<0.0001)a | 7.9±4.3 (P<0.0001)a | 7.0±3.8 (P<0.0001)a | 4.8±3.4 (P<0.0001)a |
| Fellow eyes | |||||||
| RT±SD | 292.6±17.8 | 291.3±17.3 | 290.8±16.6 | 290.7±17.2 | 291.0±16.8 | 291.0±15.8 | 292.3±17.7 |
| RT change±SD | 0.3±2.5 | −0.3±2.6 | −0.4±2.4 | −1.0±2.6 | −0.9±3.6 | −0.8±4.3 | −0.7±6.2 |
Abbreviations: CPT, central point thickness; CSF, central subfield; RT, retinal thickness (microns).
a
Retinal thickness changes between operated and fellow eyes were compared using the unpaired t-test.