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Changes in refraction in anisomyopic patients
1Department of Ophthalmology, A. Meyer Children's Hospital, Firenze, Italy.
Purpose:
The purpose of this study was to investigate the evolution of refraction and visual function in patients with myopic anisometropia.
Design:
A retrospective study on a selected population.
Methods:
Forty-six anisomyopic patients underwent a complete ophthalmologic examination (cycloplegic refraction, visual acuity, ocular movement and fundus examination).
Results:
The results show two different patterns of changes in refraction between the two eyes; in the same patient, the less myopic eye tends to get more myopic, while the more ametropic eye shows a more stable refraction. Furthermore, a recovery of binocular vision and amblyopia can be obtained by occlusion and full-time refractive correction.
Conclusions:
The evolution of refraction seems to be different in eyes with anisometropia and it is still to be understood whether it is fixation or reduced fixation that leads to a myopic shift.