twenty second week
Last month Emily occasionally swept her eyes from side to side but only with her eyes cast downwards. Now she can lift her eyes to eye level and turn them slowly from side to side, on and on, for prologed periods. At other times her eyes dart quickly back and forth, someimes smoothly, sometimes jerkily. After one or two weeks of horizontal eye movements, she starts to be able to roll her eyes up and down and all around.