Meningitis and encephalitis
Meningitis and encephalitis are inflammatory conditions that affect the spinal cord and brain. Meningitis is a condition that occurs when membranes around the brain get inflamed. Encephalitis occurs when the brain gets inflamed. These diseases are caused by viral or bacterial infections, fungi, or parasites. People with weak immune systems are more susceptible to these conditions.
Conclusion
Blurred vision and headache can occur together in some conditions. They are usually accompanied by severe and mild symptoms. They can be caused by several conditions, such as migraine and some emergency conditions. It is important to contact your doctor if you experience any emergency conditions, carbon monoxide poisoning, head trauma, and many more.
References
[1] https://my.clevelandclinic.org/health/diseases/15345-paralysis
[2] https://www.medicalnewstoday.com/articles/324070
[3] https://www.healthline.com/health/eye-health/sudden-blurred-vision
[4] https://www.ninds.nih.gov/health-information/disorders/coma
[5] https://www.medicalnewstoday.com/articles/248002
[6] https://www.nhs.uk/conditions/feeling-sick-nausea/