Certain cells pump fluid from our cornea to keep it clear. With Fuchs’ dystrophy, these cells gradually die and fluid builds up. The cornea gets swollen and puffy, and over time, vision becomes cloudy or hazy. Early treatment may include using a hair dryer to blow warm air on your face, drying your

Fungal keratitis is an infection of the cornea. It can develop quickly from an eye injury or contact lens use. It can cause blindness if it is not treated. Proper use and care of contact lenses can reduce your risk of getting a fungal infection. Treatment of fungal keratitis usually includes antifungal

Giant cell arteritis (GCA) is an inflammation (swelling) of the arteries, which are the blood vessels that carry blood away from the heart. When arteries swell, it reduces the blood flow through these vessels. GCA affects the arteries in the neck, upper body and arms. It is also called cranial or temporal

Giant papillary conjunctivitis (GPC) is when the inside of your eyelid gets red, swollen, and irritated. This is usually caused by contact lenses. Treatment may include avoiding wearing contact lenses, trying a new type of lens, or limiting how much time you wear contacts each day. You may also be prescribed

Glaucoma is a disease that affects the eye’s optic nerve. This nerve becomes damaged when pressure inside the eye builds up from too much fluid. When the optic nerve is damaged, it can cause blindness. Ophthalmologists treat glaucoma with medicine and surgery. Because glaucoma has no symptoms, it is

A glaucoma drainage implant is a type of device put in your eye by surgery to treat glaucoma. It may also be called an aqueous shunt or a tube shunt. The implants create a new way for aqueous humor to drain from the eye. This helps to lower eye pressure. If you have any questions about your eyes or your

Graves’ disease (hyperthyroidism) is a problem with the thyroid gland. It is when the thyroid gland makes too much hormone. Muscles and tissue around the eye are affected. People with Graves’ disease may have retracted eyelids or bulging eyes. They can suffer from dry eye and double vision. Artificial

HIV stands for human immunodeficiency virus. This virus causes the body’s immune system to break down. AIDS stands for acquired immune deficiency syndrome. HIV causes AIDS. Someone has AIDS when their immune system is no longer able to keep them healthy. People with HIV who are otherwise in good health

Headache, or pain in any part of your head, is very common. Most of the time, it is not serious. They are often triggered by things like stress, certain foods, alcohol or being tired. There are many different kinds of headaches, including tension, cluster and migraine headaches. All of these can be treated

A hemangioma is a non-cancerous tumor caused by abnormal growth of blood vessels. Hemangiomas can occur anywhere on the body, but are most commonly found on the face and neck. Hemangiomas can be on the eyelids, the surface of the eye, or in the eye socket. When that happens, the hemangioma may interfere

Herpes keratitis is a viral infection of the eye caused by the herpes simplex virus (HSV). The infection can be transferred to the eye by touching an active lesion (a cold sore or blister) and then your eye. Almost everyone is exposed to the HSV during childhood. After the original infection, it lies

Herpes simplex is a virus that can infect your skin, nerves and tissue. If it infects your eyes, they become red, sore and sensitive to light. Vision can become blurry. The herpes virus cannot be cured, but herpes simplex eye symptoms must be treated right away. You may be prescribed antiviral eye drops

Histoplasmosis is a disease you can get when you breathe infected airborne spores into your lungs. It enters the air when people disturb soil when plowing fields, sweeping chicken coops, or digging holes. Once it travels to the eye it can cause a serious eye disease called ocular histoplasmosis syndrome

A hyphema is when blood collects inside the front of the eye. Hyphema is usually caused by an injury to the eye. Sometimes, though, it can be caused by other problems. Hyphema signs and symptoms include bleeding in the front of the eye, eye pain, sensitivity to light, and blurry, clouded or blocked vision.

An intraocular lens (IOL) is a clear, artificial lens for the eye. It replaces your eye’s cloudy natural lens when you have cataract surgery. There are different kinds of IOLs. A monofocal IOL is usually set for clear distance vision, with eyeglasses needed for reading or close work. Multifocal and

Idiopathic intracranial hypertension (IIH) is when pressure in your head rises, causing vision problems and headaches. This high pressure comes from cerebrospinal fluid (CSF) that does not flow out of the brain as it should. The pressure affects the eye’s optic disc and nerve, eventually causing vision