Table 1. Mean (±SE) Ocular Axial Length and Refractive Error after varying periods of visual deprivation in the chick.
| Time (days) | Number of eyes | Eye | Axial length (mm) | Mean refraction (D) |
|---|---|---|---|---|
| 0 |
3 |
No Lens |
8.30 (±0.05) |
−0.25 (±0.52) |
| 3 |
No Lens fellow |
8.27 (±0.04) |
−0.08 (±0.58) |
|
| Day 2 |
11 |
Minus lens |
8.88 (±0.07) |
−4.00 (±1.10) |
| 11 |
Minus lens fellow |
8.59 (±0.07) |
0.66 (±0.37) |
|
| 15 |
Plus lens |
8.44 (±0.07) |
5.72 (±0.62) |
|
| 15 |
Plus lens fellow |
8.60 (±0.07) |
1.20 (±0.31) |
|
| 11 |
No Lens |
8.64 (±0.08) |
1.11 (±0.51) |
|
| 11 |
No Lens fellow |
8.58 (±0.08) |
0.77 (±0.44) |
|
| Day 4 |
14 |
Minus lens |
9.34 (±0.05) |
−7.32 (±0.65) |
| 14 |
Minus lens fellow |
8.92 (±0.03) |
0.48 (±0.35) |
|
| 12 |
Plus lens |
8.45 (±0.06) |
8.48 (±0.57) |
|
| 12 |
Plus lens fellow |
8.73 (±0.07) |
0.38 (±0.42) |
|
| 12 |
No Lens |
8.79 (±0.05) |
−0.04 (±0.45) |
|
| 12 |
No Lens fellow |
8.78 (±0.06) |
0.15 (±0.35) |
|
| Day 7 | 8 |
Minus lens |
9.29 (±0.03) |
−9.31 (±0.41) |
| 8 |
Minus lens fellow |
8.75 (±0.03) |
0.34 (±0.30) |
|
| 7 |
Plus lens |
8.52 (±0.06) |
8.32 (±0.60) |
|
| 7 |
Plus lens fellow |
8.82 (±0.04) |
0.46 (±0.38) |
|
| 9 |
No Lens |
8.91 (±0.04) |
0.31 (±0.34) |
|
| 9 | No Lens fellow | 8.90 (±0.04) | 0.17 (±0.29) |