Improvements on Littmann's method of determining the size of retinal features by fundus photography.
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Cites background from "Improvements on Littmann's method o..."
..., 1994), axial length and ametropia (Littman, 1988; Wilms, 1986), and those utilising all of axial length, anterior chamber depth, lens thickness, keratometry and ametropia (Bennett et al., 1994)....
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...and keratometry (Bengtsson and Krakau, 1992; Littman, 1982), axial length only (Bengtsson and Krakau, 1992; Bennett et al., 1994), axial length and ametropia (Littman, 1988; Wilms, 1986), and those utilising all of axial length, anterior chamber depth, lens thickness, keratometry and ametropia (Bennett et al....
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...Other factors that may need to be taken into consideration include the degree of eccentricity of the measured object from the optical axis (Bennett et al., 1994; Holden and Fitzke, 1988) and camera–eye distance (Arnold et al., 1993; Behrendt and Doyle, 1965; Bengtsson and Krakau, 1977, 1992;…...
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...Other factors that may need to be taken into consideration include the degree of eccentricity of the measured object from the optical axis (Bennett et al., 1994; Holden and Fitzke, 1988) and camera–eye distance (Arnold et al....
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Cites methods from "Improvements on Littmann's method o..."
...82).(25) Further, p is a constant in a telecentric system, and the Cirrus HD OCT system has the same magnification factor as the Stratus OCT system....
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...Various methods have been introduced to estimate the ocular magnification factor on the basis of the degree of ametropia, keratometry, and/or the axial length.(24,25,33,34) We selected the modified axial length method derived from Bennet et al....
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References
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"Improvements on Littmann's method o..." refers methods in this paper
...Table 1 Extract from Littmann's Table 1 [ 4 ] (reproduced by permission of the publishers of Klinische Monatsbldtter fiir Augenheilkunde)...
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...This gives a direct reading of q from the grid location representing the known values of ra and A. In a later paper [ 4 ], Littmann offered an alternative to the use of his nomogram....
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"Improvements on Littmann's method o..." refers result in this paper
...[6], whose findings were broadly in line with previous studies, showed that in most refractive states the axial length could vary by as much as 4 mm, sometimes more....
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"Improvements on Littmann's method o..." refers methods in this paper
...This need can now be obviated by a procedure devised by Bennett [1]....
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