Acquired ptosis is a medical condition characterized by low-lying eyelids, which can make a person’s eyes look a little tired. Acquired ptosis (low-lying lids) can: •  Develop later in life •  Affects adults of all ages •  Occurs more often with increased age •  Be caused by: •  Weakened or stretched eyelid muscles •  Cataract surgery •  Contact lens wear •  An underlying medical condition