- Pink eye (conjunctivitis)
Pinkeye is redness and swelling of the membrane that lines the eyelid, called the conjunctiva.
- Cocaine abuse
Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it.
- Dry eye syndrome
Dry eye syndrome can cause pain, blurred vision, redness, light sensitivity, and often makes reading unpleasant.
- Medication reaction or side-effect
Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more.
- Wind exposure
Long exposure to wind can cause painful skin, red skin, or dry skin.
- Sjogren's syndrome
Sjogren's syndrome is an autoimmune disorder that most often causes dry eyes and dry mouth.
- Methamphetamine use
Methamphetamine use causes increased blood pressure, rapid heart rate, enlarged pupils, sweating, and more.
- Sarcoidosis
Sarcoidosis is a rare disease that can cause swelling and hard lumps in the lymph nodes and organs.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Stroke
A stroke occurs when blood and oxygen to the brain are cut off, and causes numbness, confusion, and more.
- Brain tumor
Primary brain tumors are often benign but can cause seizures, ongoing headaches, or loss of coordination.
- Adie's pupil
Adie's pupil is a rare disorder usually affecting only one eye, causing blurry or distorted vision in the eye.