Research Article

Research on Calculation of the IOL Tilt and Decentration Based on Surface Fitting

Table 1

The IOL tilt and decentration obtained by the method of surface fitting.

Case The method of AS-OCT instrumentThe method of surface fitting
Tilt/°Decentration/
mm
The IOL tilt ( )/°The tilt at horizontal direction/°The tilt at vertical direction/°Decentration/
mm
Optical diameter/
mm
(IOL anterior surface) (IOL posterior surface)

17.901.017.5286.1983.530.885.820.670.81
24.300.833.3587.8287.460.715.910.890.91
33.300.732.1389.3087.980.295.870.870.93
44.900.852.7987.8089.130.805.810.850.86
56.900.675.8688.0484.470.285.770.860.86
64.202.333.9286.2388.941.085.850.860.83
73.600.771.7688.5988.940.676.120.930.88
83.300.512.288.1888.770.455.910.830.89
95.400.782.1388.2488.800.765.960.900.85
105.200.734.0887.8586.540.276.150.970.87
116.800.715.8589.0784.210.446.210.910.85
125.400.744.5586.4087.220.636.060.930.83