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A method to simulate and model metamorphopsia by means of a deformable Amsler grid is proposed. The interactively deformable grid is based on cubic B-splines to obtain a locally controlled deformation. By simulating metamorphopsia on normal sight volunteers, acquisition of a correction percentage is possible as a result of analyzing the magnitude of the simulated distortion and the applied correction model. The correction percentage obtained is 75.78% (7.36% standard deviation). This can express the feasible correction rate with the guidance of the patient qualitative feedback. The present work is motivated by the idea of obtaining a correction model of a patient with metamorphopsia and to implement this model into a head-mounted display to compensate the patient's deformation in the near future.
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