Symptoms of Exophthalmos

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An increase in the volume of tissue behind the eyes pushes the eyeball forward to protrude from the socket. Because the orbit (eye socket) is made of bone it cannot expand to accommodate the protruding eyeball. This forces the eyelids apart, causing a staring expression on the face because much of the whites of the eyes are exposed. In some people, the white of the eye can be seen above the iris at all times.

People with exophthalmos are able to look upwards without moving their eyebrows. When the person looks down, there is also a tendency for the upper lids to lag behind and remain high. In unaffected people the lids would normally follow the eyes downwards.

Eye movement is affected because the eye muscles are impaired, so other symptoms may include double vision and crossed eyes. The eyes often feel very dry and itchy.

If you notice your child has a bulging eyeball, it may be due to infection of the sinuses. You should seek medical advice.