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. Author manuscript; available in PMC: 2008 Oct 29.
Published in final edited form as: Opt Express. 2008 Jan 7;16(1):304–314. doi: 10.1364/oe.16.000304

Table 2.

Estimated ocular parameters, including the values used to generate the data, standard deviations computed from the lower CRBs, starting point in the ML search, parameter estimates, and fractional error in the estimates.

No. Parameter Value CRB½ Starting point ML Estimate Fractional error
1 Corneal posterior radius [mm] 6.72 8.2 × 10-7 6.65 6.720616 9.2 × 10-5
2 Lens anterior radius [mm] 10.35 5.0 × 10-7 10.30 10.352853 2.8 × 10-4
3 Lens posterior radius [mm] -6.28 8.3 × 10-7 -6.30 -6.280767 1.2 × 10-4
4 Cornea thickness [mm] 0.554 9.3 × 10-7 0.55 0.554192 3.5 × 10-4
5 Anterior chamber thickness [mm] 3.17 8.6 × 10-7 3.12 3.170405 1.3 × 10-4
6 Lens thickness [mm] 3.97 1.1 × 10-6 4.00 3.972967 8.9 × 10-5
7 Cornea refractive index 1.3729 8.4 × 10-9 1.3771 1.372967 4.9 × 10-5
8 Anterior chamber refractive index 1.3329 7.4 × 10-9 1.3374 1.332901 7.5 × 10-7
9 Lens refractive index 1.4138 8.9 × 10-9 1.4100 1.413806 4.2 × 10-6