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Ptosis Repair (Lazy Eye)

Face: Surgical

Ptosis is the drooping of the upper eyelid. Although ptosis is usually the result of aging, it sometimes develops after eye surgery or injury. Sometimes the condition is congenital. Because ptosis may be present due to serious causes, patients with this disorder should be checked by a medical professional to determine whether treatment is necessary and, if so, what kind.

Causes Of Ptosis

Typically, ptosis results from a weakening in the muscle responsible for raising the eyelid, or from damage to the nerves that control the muscle. In some cases, ptosis is simply caused by loose skin on the upper eyelid. Sometimes, however, the reason for ptosis is more troubling. In addition to the possibility of its being congenital, or the result of injury or surgery, ptosis may be caused by the following:

  • Migraine headache
  • Bell's palsy
  • Stroke
  • Horner syndrome
  • Eyelid growth (such as a stye)
  • Diabetes
  • Myasthenia gravis
  • Benign or malignant tumor

In rare instances, ptosis can be caused by a brain tumor that affects the reactions of muscles or nerves.

Symptoms Of Ptosis

In addition to the drooping of one or both eyelids, symptoms of ptosis include the following:

  • Increased tear production
  • Reduced vision (with severe drooping)
  • Difficulty blinking or closing the eye

Since ptosis caused by aging is usually gradual, a sudden onset of symptoms is greater cause for concern.

Diagnosis Of Ptosis

Ptosis is typically diagnosed by an ophthalmologist, who can also frequently determine its cause. The ophthalmologist tests for visual acuity, and may perform a visual-field test, a slit-lamp examination and, possibly, a tension test.


If there is a suspicion of an underlying systemic disease, the patient will be referred to an internist or other physician for further evaluation.

Treatment Of Ptosis

Patients may seek treatment for droopy eyelids for cosmetic or medical purposes. Severe drooping obstructs vision. If ptosis interferes with a patient's vision, a blepharoplasty is performed to eliminate the drooping. Many young patients with mild-to-moderate ptosis should be examined regularly to check for other vision problems, including amblyopia, refractive errors and muscular diseases.


Dr. Mao's skill speaks for itself. Checking through his gallery is all the evidence you need. This does not, however show the kindness, gentleness and enthusiasm of this most competent surgeon. I got exactly what I had hoped for; a more youthful look without any evidence of having "work." Dr. Mao was available from start. . . 

I wanted to thank everyone especially Dr. Johnny Mao for the wonderful treatment I received. I had a surgical procedure done to remove a basal cell cancer on my cheek area. Dr Mao and the entire staff were fantastic. The admission process, the surgery and the results, again, fantastic. I can't say enough about everyone. . .

My experience with Dr. Mao has been nothing but pleasant. My first appointment I meet with him and talked about my options and took pictures. He had done morphed photos to show me what my nose could potentially look like. He was very personable he made sure that I was comfortable during appointments and gave. . .

I will always be grateful to you for your thoughtfulness and consideration, also the wonderful work you have done on my face. Your wonderful bedside manner and keeping in touch with me is comparable to none. Your staff is excellent and your work as a family. You made me comfortable the minute I met you. . .

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