Symptoms:

OPEN-ANGLE

• Gradual loss of peripheral (side) vision
• Most people have no symptoms until they lose vision

ANGLE-CLOSURE

• Decreased or cloudy vision
• Nausea and vomiting
• Pupil does not react to light
• Red eye
• Severe eye pain, facial pain
• Swelling of the eye

CONGENITAL

• Cloudiness of the front of the eye
• Enlargement of one eye or both eyes
• Red eye
• Sensitivity to light
• Tearing

Signs and tests:

An examination of the eye may be used to diagnose glaucoma. However, checking the intraocular pressure alone (tonometry) is not enough because eye pressure changes. The doctor will need to examine the inside of the eye by looking through the pupil, often while the pupil is dilated.

Usually the doctor will perform a complete examination of the eyes.

Tests may include:

• Gonioscopy (use of a special lens to see the outflow channels of the angle)
• Intraocular pressure measurement by tonometry
• Optic nerve imaging (photographs of the interior of the eye)
• Pupillary reflex response
• Refraction
• Retinal examination
• Slit lamp examination
• Visual acuity
• Visual field measurement