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.
Problems with the cornea often cause double vision in one eye only. Covering the affected eye makes the diplopia go away. The damaged surface of the eye distorts incoming light, causing double vision. Damage can happen in several ways: 1  Infections of the cornea, such as shingles (herpes zoster), can distort the cornea.