From: Ultrasound biomicroscopy study of accommodative state in Smartphone abusers
Smartphone Abusers | Matrix formalism (n = 40) | Standard notation (n = 40) | ||||
---|---|---|---|---|---|---|
f11 | f12 | f22 | Sphere (dioptres) | Cylinder (dioptres) | Axis (degree) | |
Precycloplegic refraction | −1.61 | 0.05 | −1.98 | −1.98 | 0.38 | 97° |
Postcycloplegic refraction | −0.38 | 0.03 | −0.64 | − 0.64 | 0.26 | 96° |
Difference of postcycloplegic and precycloplegic | 1.23 | −0.02 | 1.34 | 1.22 | 0.11 | 7° |