Hello,
How long you have blurred eyes prior to numbness or along with numbness so that we could rule out the cause?There are so many causes of lips numbness.common causes are
local anesthesia receiving your gum by the
dentist,numb lips can be caused by certain medical condition,expose to sudden in cold,neuropathy,allergic reactions,medications side effect,nerve damage may leads to loss of control over the lips and may increase numbness over lips,
vitamins and minerals deficiency,some disorder and disease,allergic reactions,toxic ingestion,stroke or
transient ischemic attack,multiple sclerosis,hypocalcemia causes numbness of lips,lack of blood flow,
if you have breathing problem or
shortness of breath,wheez,swelling of mouth lips or throat then you need the medical care.
but to rule out the exact cause of numbness over lips consult with your doctor.