Why is ptosis a concern if it hasn't been present since childhood?

Ptosis, which is the drooping or falling of the upper eyelid, can be a significant concern when it develops in adulthood rather than being present since childhood. One of the main reasons for this is that new-onset ptosis can be a sign of underlying disease processes. Conditions that can cause sudden ptosis include neurological disorders (such as myasthenia gravis or a stroke), muscle disorders, or even tumors that may affect the nerves or muscles controlling the eyelid. This makes it vital to investigate any recent ptosis to rule out serious health issues.

While lazy eye, allergies, or dry eye syndrome are possible considerations, they are not primary concerns when evaluating new ptosis. Lazy eye typically refers to amblyopia that develops in childhood, and ptosis itself is usually a symptom rather than a direct cause of dry eye syndrome. Allergies often manifest with other symptoms, making them less likely to be directly associated with new cases of ptosis. Therefore, the focus on underlying diseases emphasizes the importance of thorough assessment and potential interventions in cases of newly observed ptosis.