For example, myasthenia gravis may also cause double vision, weakness in the arms or legs, and difficulty speaking, swallowing or breathing. If your ptosis is caused by a more serious medical problem, however, you may have additional symptoms that are related to the underlying illness. If you have simple, uncomplicated ptosis, you won't have any other symptoms. You also may tilt your chin up and look down your nose as a way of seeing out from under your eyelid's lower margin. This can cause tension headaches and give your eyes an odd, surprised appearance. If ptosis covers your pupil and limits your vision, you may try to compensate unconsciously by raising your eyebrows. You also may lose the crease (fold of skin) that normally lies between your upper eyelid and eyebrow. If you have ptosis, the drooping eyelid narrows your eye's opening, which makes your affected eye appear smaller than normal. As you look at your eye, a sizable part of your iris (the eye's colored circle) should be visible above your pupil, and no part of the pupil itself should ever be covered by the eyelid. You can screen for the problem yourself by looking straight ahead in a mirror. Local eye problems - In some cases, an eyelid droops because of an infection or tumor of the eyelid, a tumor inside the eye socket, or a blow to the eye.ĭoctors assess the severity of eyelid droop by taking precise measurements of the eyelid and eye opening.One particularly dangerous cause of Horner's syndrome is a cancerous tumor located at the top portion of the lungs. Another cause of ptosis is Horner's syndrome, which also can cause an abnormally small pupil and loss of the ability to sweat - on half the face. These conditions include stroke, brain tumor, a brain aneurysm (a grapelike swelling on a blood vessel inside the brain), and nerve damage related to long-term diabetes. Nerve problems - Because the eye muscles are controlled by nerves that come from the brain, conditions that injure the brain or its cranial nerves sometimes can cause ptosis.In younger adults, ptosis can be caused by a group of muscle illnesses called progressive external ophthalmoplegia, which cause ptosis in both eyes, problems with eye movement, and sometimes other muscle symptoms that involve the throat or heart muscle. Muscle diseases - Ptosis can be a symptom of an inherited muscle disease called oculopharyngeal muscular dystrophy that affects eye motion and can cause difficulty swallowing.Myasthenia gravis can cause progressive muscle weakness, not only in the eyelids but also in the facial muscles, arms, legs and other parts of the body. Myasthenia gravis - Ptosis can be one of the first symptoms of myasthenia gravis, a rare disorder that affects the ways muscles respond to nerves.Although both eyes usually are affected, drooping may be worse in one eye. In senile ptosis, the long-term effects of gravity and aging cause stretching of a wide, tendon-like tissue that helps the levator muscle lift the eyelid. Aponeurotic ptosis (senile or age-related ptosis) - Aging is the most common cause of ptosis that is not present at birth. If the drooping eyelid obscures part of the baby's visual fields, surgery must be done to correct the problem early in life to prevent permanent loss of vision. In approximately 70% of cases, the condition affects only one eye.
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