Focal defect of the cartilage. Defect of the articular cartilage due to any inflammation, injury or trauma causing partial or full thickness cartilage defect in a well defined focal area.These changes in the articular cartilage usually develop as a result of a major trauma and may affect almost any joint in the body.ocal defect of the cartilage. Defect of the articular cartilage due to any inflammation, injury or trauma causing partial or full thickness cartilage defect in a well defined focal area.
Droopy eyelids can also be caused by trauma, surgery, or by damage to the muscles that raise the eyelids or to the nerves that control these muscles. Tumors, neurological disorders, systemic diseases, and certain drugs have also been known to cause ptosis. Depending on the cause, ptosis may be classified as: Neurogenic ptosis: Refers to the condition in which the nerves attached to the muscle are affected; Myogenic ptosis: Refers to sagging of the lid due to a problem with the muscle that raises the eyelid; Aponeurotic ptosis: Refers to the stretching and weakening of the tendon responsible for raising the eyelid
What Has Caused My Eyelid to Droop? The causes of droopy eyelid are diverse. One can be born with hereditary droopy eyelids, a condition known as congenital ptosis. Most cases of acquired ptosis develop as we age and the tendon that helps keep the eyelid open stretches and loosens.