- Farsightedness (presbyopia)
Presbyopia causes an inability to focus on close objects, and headaches or eyestrain when working or reading.
- Botulinum toxin (Botox) injection
Botulinum toxin side effects may include pain and tenderness at the injection site, headache, nausea and more.
- Sleep deprivation
Sleep deprivation occurs when the lack of restful sleep is severe enough to compromise basic body functions.
- Hay fever
Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more.
- Nearsightedness
Nearsightedness is a common eye problem that causes blurry, distant vision.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Epilepsy (absence or petit mal seizures)
Petit mal or absence epileptic seizures cause staring spells or chewing motions.
- Epilepsy (complex partial seizures)
During complex partial seizures, people lose consciousness briefly.
- Phencyclidine use
Phencyclidine is a man-made illegal drug that that causes include numbness, slurred speech, seizures, and more.
- Eye allergies
Eye allergies, or allergic conjunctivitis, can make your eyes itchy, red, and watery.
- Lazy eye
Lazy eye occurs when the brain favors one eye over the other.
- Astigmatism
Astigmatism is a common eye problem causing blurry vision, difficulty seeing details and eye strain headaches.
- Dermatomyositis
Dermatomyositis is a condition that causes muscle swelling and weakness, and a rash on the face and joints.
- Chagas disease
Chagas disease is caused by a tropical parasite and can cause fever, ill feeling, and swelling around the eye.
