amsler eye scotoma test grid. printable chart retina examination. grid with dot in centre. vision control. eye check amsler

amsler background black cell chart check close control degeneration diagnosis distortion doctor empty exam eye far grid hallucinations health hospital illusion illustration line macular medicine metamorphopsia model mosaic oculist paper pattern plain point printable recording retina retinopathy scotoma sight square technical template test texture tile vector vision visual white worksheet