Most soft contact lenses have a slight mark that allows you to verify that they are in the correct direction.
You can also check their shape in profile: if they have a bowl shape it means that the direction is correct, if they have a flat bottom shape it means that they are upside down.
You can also check their shape in profile: if they have a bowl shape it means that the direction is correct, if they have a flat bottom shape it means that they are upside down.