TABLE 4.

RETINAL IMAGE MAGNIFICATION CALCULATED IN SHORT, MEDIUM, AND LONG EYES WITH 4 DIOPTERS OF VERGENCE FOR A SINGLE-OPTIC INTRAOCULAR LENS: CARDINAL POINTS AND THEIR DERIVATIVES

PARAMETERS	SHORT EYE	MEDIUM EYE	LONG EYE
Single-optic eye system power matrix	$\left(\begin{array}{ll}0.857\hfill & -70.9297\hfill \\ 0.0046\hfill & 0.78661\hfill \end{array}\right)$	$\left(\begin{array}{ll}0.8801\hfill & -66.973\hfill \\ 0.0046\hfill & 0.78661\hfill \end{array}\right)$	$\left(\begin{array}{ll}0.9227\hfill & -59.668\hfill \\ 0.0046\hfill & 0.78661\hfill \end{array}\right)$
First focal point (F1)	−12.082	−13.14	−15.465
Second focal point (F2)	21.116	21.99	23.913
First principal point (P1)	2.017	1.791	1.295
Second principal point (P′2)	2.281	2.043	1.522
First nodal point (N1)	6.754	6.808	6.926
Second nodal point (N′2)	7.018	7.06	7.153
First focal length (EFL1)	14.098	14.93	16.76
Second focal length (EFL2)	18.836	19.95	22.39
Image distance from second principal point	19.92	21.21	23.98
Image vergence in diopters	67.07	63.00	55.72
Object distance from first principal point	−259.12	−251.59	−253.14
Image vergence in diopters	3.86	3.97	3.95
Magnification (Msingle-optic)	−0.05754	−0.06309	−0.0709