Demonstrates improved vergence analysis of ocular refraction components, highlighting importance based on refractive status.
Traditionally, the components of ocular refraction are analyzed in surface powers and their linear separations in the eye. More recently it has been suggested that the refractive effects of these components are better studied in terms of their vergence contributions. This study presents an improved method of vergence analysis which takes into account the refractive status of the eye. Results show a significant interaction of all components and indicate that their relative contributions are dependent on refractive status.
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Paul Erickson (1984) studied this question.
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