What is a Ptosis?
- Ptosis refers to a drooping upper eyelid.
- The lid may droop only slightly or it may droop enough to partially or completely cover the eye, restricting or obscuring vision.
- Ptosis may be inherited. It can affect one or both eyelids. If a ptosis is present at birth it is referred to as a congenital ptosis.
- A severe or moderate congenital ptosis may hinder normal visual development, causing amblyopia (or a lazy eye).
- If untreated amblyopia may lead to permentant reduction of vision in one eye.
- If the ptosis is mild, treatment may only be desired for comestic reasons.
- If the ptosis is severe enough to obstruct vision, treament is usually necessary and beneficial.
What Causes Congenital Ptosis?
- Ptosis present at birth is often caused by the poor development of the eyelid lifting muscle.
- Muscular diseases, lid tumours or neurological disorders may cause a ptosis.
- Congenital ptosis usually does not improve with time.
What are the Signs and Symptoms?
- A drooping upper eyelid.
- Children with ptosis will tip their heads back in an attempt to see underneath their eyelids.
- The child may raise their eyebrows in an attempt to raise the lid.