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The usual configuration for a system that measures ocular aberrations uses an infrared beam, which is focused on the retina, in order to act as a secondary source of radiation. The back reflected light from the retina emerges through the eye's optical system modulated with the total aberrations. This aberrated wavefront is measured with a Shack-Hartmann type sensor. An ocular aberrometer, could be connected, in a closed loop, with a deformable mirror in order to assemble an experimental setup of adaptive optics (AO). It is useful in ophthalmic instruments because improves the lateral resolution. In this work, the analysis of repeatability of the measurements for an experimental setup that allows measuring the aberrations of an in-vivo human eye is shown. This system will be used as part of an adaptive optics system for a fundus camera.

Estudio de repetibilidad por medio de desviación estándar de un aberrómetro ocular de tipo Shack – Hartmann