Allergies can cause many ear, nose, and throat symptoms in children, but allergies can be difficult to separate from other causes. Here are some clues that allergies may be affecting your child. Children with nasal allergies often have a history of other allergic tendencies (or atopy).
Is the diplopia constant or intermittent? Causes of intermittent diplopia include thyroid disease, myasthenia gravis, multiple sclerosis, and exo/eso breakdown. Causes of constant diplopia include cranial nerve palsy, thyroid or myasthenia gravis cases, and post-surgical cases. The most frequent surgical case that can result in diplopia is cataract surgery.
Monocular double vision is less common than binocular double vision and can be caused by the following conditions: 1  Astigmatism: the cornea is irregularly shaped (the transparent layer at the front of the eye). 2  Dry eye: the eye does not produce enough tears, or it dries out too quickly.