Hello Thank you for trusting HCM Dear hydrocephalus can cause raised intracranial pressure that cause head ache, vomiting and dizziness and tinnitus, low frequency sound hearing loss, it may cause limb weaknesses and vision problems. Vision problems due to papilledema enlargement of blind spot which lead to decresd vision. So of you again feeling this symptoms can consult doctor immediately. Shunt patients some time develops shunt infection which causes block it may lead to again raised intracranial tension features. So take about yourself and all the best.