An eye doctor explains why you see specks floating in your eyesRob Ludacer
aOpening and shutting sensation, especially in occiput[translate] aSick headache from carriage-riding, cannot lie on back part of head[translate] avision; colours and shapes in front of eyes; colours; black; spots; floating (aka muscae volitantes or spiders);[translate]...
those models. For the structural tests of the scaled-down models, tensile specimens of the acrylonitrile butadiene styrene material used in the 3-D printing process were prepared, and the material properties were evaluated by performing tensile tests. Finite element analyses of FCS and SMP were ...