What causes glaucoma

• Not fully understood.
• Increased Intraocular pressure, though not always.

What are the types of glaucoma

• Primary open-angle – most common form,
• angle-closure- the pressure rises quickly, suddenly.
• congenital
• secondary glaucoma.

What are the risk factors for glaucoma?

• Old age
• Intraocular pressure (IOP)
• Race/ethnicity-Africans and Hispanics are more susceptible
• Genetics-Family history of glaucoma increases the risk of glaucoma
• Myopia (near-sightedness)
• Thin central cornea thickness
• Prolonged use of certain medications e.g. corticosteroids

What are the symptoms of glaucoma?

• No symptoms in early stages.
• Tunnel vision in the advanced stages.
• Severe ocular pain, often accompanied by nausea and vomiting.
• Sudden onset of visual disturbance, especially in low light.
• Blurred vision.
• Halos around lights.
• Red eye