What is Meant by Ptosis of the Eye?


Drooping of the upside eyelids is called ptosis. It is able to affect just one or both the eyelids, be inherited, as well as exist at birth or happen later in life. The cause of congenital ptosis is normally because of a lack of development of eyelid muscle mass called levators. The function of the levator muscles is to elevate the eyelid. With youngsters born with ptosis, they need to be dealt with at a young age to stay clear of disturbance with vision growth.

Causes of Ptosis

With the exemption of hereditary ptosis, this problem is extra usual in the senior due to damage to the muscles that elevate the eyelids or their nerve supply. Obtained ptosis is one of the most usual types. Certain medications have been known to trigger ptosis. There are other causes of saggy eyelids:

  • Tumors
  • Neurological disorders
  • Systemic conditions.

There are differing degrees of severity of saggy eyelids that can range from hardly recognizable to entirely covering the pupil, iris, as well as other components of the eye. Without treatment, ptosis eyelid [หนังตาตก, which is the term in Thai] can cause amblyopia, careless eye, or astigmatism.

Sorts of Ptosis

There are four different categories of ptosis, as addressed below:

  • Mechanical ptosis, at the time the weight of an eyelid is undue for the muscle mass to lift
  • Myogenic ptosis, the sagging of a lid because of a problem with the muscle that increases the eyelid
  • Neurogenic ptosis, when the nerves affixed to the muscle are affected
  • Aponeurotic ptosis, extending and compromising of the tendon in charge of raising the eyelid

Ptosis Therapy

The most common form of therapy for ptosis is blepharoplasty, where the levator muscle is tightened to enhance the look or vision. When dealing with hereditary ptosis, a sling might be utilized to enable the temple muscles to take control of the job of raising the eyelid. This often leads to a non-symmetrical look; however, the eyelids will be greater than they were prior to surgical procedure.


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