10 Glaucoma Symptoms
Reviewed: Dr. Gromatzky
Symptom #5: Halos
Light is important for vision as it bounces off objects (reflection) and enters the eyes, which allows an image to be projected to your brain for interpretation into the sense of sight. However, lights can sometimes cause issues such as halos or glare.
In glaucoma, the distension of the eyeball causes the refraction of light to be abnormal leading to halos, which are bright circles that you can sometimes see around things. Halos usually surround a light source such as headlights or street lights. Halos can be uncomfortable, causing patients to squint and look away. Halos often occur when you are in a dark or dim place. They can be caused by glaucoma, cataracts, nearsightedness, farsightedness, astigmatism, and more.
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