Images 1 & 2 (PC)
When you are on third person view and close like blocks as: Grass, Double grass, Sugar cane, Cobweb and Vines, the camera gets closer, thinking the block is solid, and this looks pretty bad while walking in biomes with much double grass and with the third person.

Images 3 & 4 (PE and WIN10)
This versions don't have this problem, the camera go through these transparent blocks and looks very fine, showing that this bug is not intentional.