n | Right spherical equivalent | Right cylinder | Left spherical equivalent | Left cylinder | Binocular uncorrected visual acuity | Binocular best spectacle-corrected visual acuity | |
Always | 10 | −0.25 | −1.17 | −0.23 | −1.28 | 0.1 | −0.0086 |
Driving/TV | 28 | −0.10 | −0.66 | −0.04 | −0.75 | 0.069 | −0.029 |
Never | 131 | −0.01 | −0.45 | −0.00 | −0.52 | −0.032 | −0.067 |