What Are the Symptoms of Glaucoma

What Are the Symptoms of Glaucoma

What Are the Symptoms of Glaucoma?

• Open-angle glaucoma. Open-angle glaucoma is often symptomless. People could have had open-angle glaucoma for years without knowing it. Open-angle glaucoma is often discovered during an eye examination; by then, the condition could already be serious. Open- angle glaucoma can lead to permanent loss of eyesight.

• Closed-angle glaucoma. Symptoms of closed-angle glaucoma include blurred vision, sensitivity to light, narrowed peripheral vision, pain in the eyes due to a damaged optic nerve, bleeding, swollen eyelids, nausea, vomiting, and, in severe cases, blindness.

Glaucoma is caused by the blockage of draining space between the cornea and iris in the front of the eyeball, affecting the discharge of fluid from the eyes. The buildup of fluid increases eyeball pressure and injures the optic nerve over time, causing glaucoma. If untreated, glaucoma may lead to blindness. In the US, 4 million people are afflicted with glaucoma, although about 50% of them do not even know it. Globally, 60 million people suffer from glaucoma.

Glaucoma can be divided into three main types:

• Open-angle glaucoma. Open-angle glaucoma induces damage to the optic nerve behind the eyeball and diminishes vision. This kind of glaucoma is caused by the blockage of fluid discharge from the eyes, resulting in increasing eyeball pressure and, in severe cases, leading to blindness. Open-angle glaucoma is the most common form of glaucoma.

• Closed-angle glaucoma. Closed-angle glaucoma is caused by a sudden blockage of fluid discharge and a rapid increase in eyeball pressure, although the incidence of this type of glaucoma is rather rare.

• Congenital glaucoma. Congenital glaucoma is linked to family and genetics. A hereditary eye developmental disorder of the fetus in the mother's womb causes high eyeball pressure and damage to the optic nerve. Children with congenital glaucoma often have larger eyeballs and opaque corneas and are sensitive to light.